BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Department of Aerospace Engineering - ECPv6.6.3//NONSGML v1.0//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-ORIGINAL-URL:https://aero.iisc.ac.in
X-WR-CALDESC:Events for Department of Aerospace Engineering
REFRESH-INTERVAL;VALUE=DURATION:PT1H
X-Robots-Tag:noindex
X-PUBLISHED-TTL:PT1H
BEGIN:VTIMEZONE
TZID:Asia/Kolkata
BEGIN:STANDARD
TZOFFSETFROM:+0530
TZOFFSETTO:+0530
TZNAME:IST
DTSTART:20240101T000000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20251215T120000
DTEND;TZID=Asia/Kolkata:20251215T130000
DTSTAMP:20260612T103048
CREATED:20251212T053000Z
LAST-MODIFIED:20251213T102037Z
UID:10000102-1765800000-1765803600@aero.iisc.ac.in
SUMMARY:Data-driven learning of feedback policies for robust model predictive control: An approximation-theoretic view
DESCRIPTION:Model Predictive Control (MPC) is a widely used optimization-based framework for the synthesis of feedback control\, with mature theory and practice in the linear setting. Yet computational tractability remains a key bottleneck—particularly for robust nonlinear min-max MPC—because solving a (robust) optimization problem at every step is expensive and often intractable in practice. Explicit or approximate MPC circumvents this by replacing online optimization with a function evaluation\, but learning accurate and robust approximate feedback policies is challenging. This talk will present new computationally tractable data-driven and approximation-theoretic methods for robust (min-max) model predictive control (MPC) in low- to moderate-dimensional nonlinear systems. The approach leverages some unusual and unique tools from approximation and modern deep learning theory to learn feedback policies with pre-assigned guarantees of uniform learning errors. In practice\, the technique achieves a remarkable 20\,000 times speed-up as opposed to standard techniques in MPC.  \n  \nSpeaker : Siddhartha Ganguly \n  \nBiography: \n  \nSiddhartha Ganguly is currently a postdoctoral researcher in the Department of Applied Mathematics and Physics at Kyoto University\, Japan\, and a soon-to-join postdoc in the School of Aerospace Engineering at the Georgia Institute of Technology\, USA. He completed his Ph.D. from the Centre for Systems and Control at IIT Bombay. His current research interests are in the area of optimal transport and machine learning with applications to control theory\, optimal control\, and robust optimization with applications to mechanical and aerospace systems.
URL:https://aero.iisc.ac.in/event/data-driven-learning-of-feedback-policies-for-robust-model-predictive-control-an-approximation-theoretic-view/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/12/Siddhartha.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20251211T030000
DTEND;TZID=Asia/Kolkata:20251211T160000
DTSTAMP:20260612T103048
CREATED:20251210T063024Z
LAST-MODIFIED:20251213T092434Z
UID:10000099-1765422000-1765468800@aero.iisc.ac.in
SUMMARY:Normal modes and manoeuvre analysis in a closed form aircraft dynamic model
DESCRIPTION: In this seminar\, I will first introduce an empirical four-parameter formula for lift and drag on an airfoil\, which shows good fits to experimental data. I will then use this formula to obtain a closed form nonlinear dynamical model of the longitudinal or pitch plane motions of an aircraft. The method of time scale separation applied to this model will yield the algebraic approximations of the short period and phugoid modes\, the limits on centre of mass position as well as an explicit relation between the horizontal stabilizer deflection and the trimmed airspeed. Next\, I will use the model to analyse two manoeuvres – an Immelmann turn and a landing. We will see a novel flaring technique\, called steady state flare\, which minimizes the probability of flotation and bounce\, and maximizes the probability of a greased touchdown\, thus increasing safety as well as improving traveller experience. I will conclude the seminar with a discussion of my future research plans.\n\nSpeaker : Dr. Shayak Bhattacharjee\n\nBiography :\n\nDr. Shayak Bhattacharjee obtained his Integrated Master of Science in Physics from IIT Kanpur in 2015 and his PhD from the School of Mechanical and Aerospace Engineering\, Cornell University in 2021. Following a three-year postdoctoral stint at the University of Maryland at College Park\, he returned to India and is currently working for LogiXair\, an aerospace startup incubated at IIT Hyderabad. HIs current research interests are in flight dynamics of piloted airplanes and UAVs\, as well as in propeller analysis and design. He has also worked on dynamical systems of other kinds such as infectious diseases\, violin strings and magnetic levitation devices.
URL:https://aero.iisc.ac.in/event/normal-modes-and-manoeuvre-analysis-in-a-closed-form-aircraft-dynamic-model/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/12/Shayak.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20251204T120000
DTEND;TZID=Asia/Kolkata:20251204T130000
DTSTAMP:20260612T103048
CREATED:20251202T111559Z
LAST-MODIFIED:20251202T111559Z
UID:10000098-1764849600-1764853200@aero.iisc.ac.in
SUMMARY:Towards Collaborative Autonomy in Multi-robot Systems: From Swarm Defense to Human-Robot Collaboration
DESCRIPTION:Multi-robot systems can significantly expand our ability to operate in complex and hazardous environments\, from disaster response and environmental monitoring to national security. Achieving this requires robotic teams that are scalable\, resilient\, and capable of safe collaboration with each other and with humans. In this talk\, I will present my research toward advancing such autonomous multi-robot systems. I begin with my research work on adversarial swarm defense\, where I developed a unified framework that enables defender robots to protect safety-critical areas against both risk-averse and risk-taking adversarial swarms. This framework leverages real-time monitoring of adversarial swarm behavior\, optimal task assignment\, and trajectory planning for coordinated defense\, combining herding and collision-aware interception to collaboratively mitigate a wide range of adversarial behaviors.\nI then highlight my broader efforts to enable reliable autonomy in real-world settings\, including human-multi-robot collaboration\, motion planning for tethered robots in extreme terrains\, and automated ROS2-based integration testing pipelines for PX4 UAVs. Together\, these contributions reflect a cohesive and ongoing research direction toward building reliable multi-robot systems that operate safely\, effectively\, and collaboratively amid uncertainty and real-world constraints. \nSpeaker : Vishnu S. Chipade \nBiography: \nVishnu S. Chipade is a Senior Researcher at the Secure Systems Research Center\, Technology Innovation Institute\, Abu Dhabi. He received his PhD and Master’s degrees in Aerospace Engineering from the University of Michigan\, Ann Arbor\, USA and Bachelor’s degree in Aerospace Engineering from the Indian Institute of Technology Kanpur\, India. His research focuses on developing scalable and reliable multi-robot systems that operate safely\, securely\, and collaboratively with robots and humans in complex real-world environments\, leveraging the best of classical and AI-driven approaches to autonomy. His research has been published in top venues such as T-RO\, TCNS\, ICRA\, IROS\, CDC\, etc.
URL:https://aero.iisc.ac.in/event/towards-collaborative-autonomy-in-multi-robot-systems-from-swarm-defense-to-human-robot-collaboration/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/png:https://aero.iisc.ac.in/wp-content/uploads/2025/12/Vishnu.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20251128T110000
DTEND;TZID=Asia/Kolkata:20251128T130000
DTSTAMP:20260612T103048
CREATED:20251126T090534Z
LAST-MODIFIED:20251126T090534Z
UID:10000096-1764327600-1764334800@aero.iisc.ac.in
SUMMARY:From Flight Control to Multi-Agent Systems
DESCRIPTION:In this two-part talk\, I will present an overview of my research over the past ten years in the academia and the industry. In the first part\, I will talk about the use of articulated wings for rapid manoeuvring at high angles of attack\, particularly with application to landing in constrained spaces. I will present a first-principles analysis leading to design rules as well as guidelines for control design. In the second part\, I will talk about some recent work on the control of the emergent behaviour of large multi-agent systems. I will present motivating examples drawn from my recent research\, including in the industry. I will talk about the use of continuum methods for describing the dynamics of large systems and for designing compact control laws. I will wrap up by discussing interesting directions for future research on these topics. \nSpeaker : Aditya A. Paranjape \nBiography : \nAditya A. Paranjape received B.Tech and M.Tech in Aerospace Engineering from the Indian Institute of Technology (IIT) Bombay in 2007\, and PhD in Aerospace Engineering from the University of Illinois at Urbana-Champaign in 2011. After completing his post-doc in 2013 from the University of Illinois\, he held tenure-track academic positions\, most recently at Imperial College London\, before spending five years with TCS Research\, a division of Tata Consultancy Services\, in Pune\, India. He has been with the Department of Mechanical and Aerospace Engineering at Monash University since April 2024. He is also Honorary Lecturer at Imperial College London and Visiting Associate Professor at IIT Bombay. His research interests are centred around flight dynamics\, control systems\, and multi-agent systems. He is a Senior Member of the American Institute of Aeronautics and Astronautics and a member of AIAA’s Atmospheric Flight Mechanics Technical Committee.
URL:https://aero.iisc.ac.in/event/from-flight-control-to-multi-agent-systems/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/11/aditya.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20251121T103000
DTEND;TZID=Asia/Kolkata:20251121T130000
DTSTAMP:20260612T103048
CREATED:20251119T064621Z
LAST-MODIFIED:20251119T064621Z
UID:10000095-1763721000-1763730000@aero.iisc.ac.in
SUMMARY:Electrospinning Technology\, Applications and Advancements
DESCRIPTION:Electrospinning has emerged as one of the most versatile and impactful techniques for producing nanofibers in various applications\, including healthcare\, biotechnology\, filtration\, and advanced materials. This seminar offers a comprehensive overview of both the foundational science and the latest advancements that are shaping the future of the field. The talk will cover topics such as Fundamentals and principles of electrospinning; Materials\, polymers\, and process optimization; Advances in portable and clinical electrospinning systems; Electrospun materials for wound care & tissue regeneration; Applications in drug delivery\, filtration\, and protective materials; Case studies & commercialization pathways; Opportunities\, challenges\, and future trends. \nSpeaker : Dr. Claudia Barzilay \nBiography :\nDr. Claudia Barzilay is a leading scientist in electrospinning-based medical technologies and a key contributor to innovation at Nanomedic Technologies\, Israel — the company behind SpinCare™\, a revolutionary portable electrospinning system that creates personalized\, on-body wound dressings. She holds a PhD in biomaterials and nanotechnology\, where her research focused on advanced polymer systems and nanofiber-based solutions for clinical use. She later completed a prestigious post-doctoral fellowship at Stanford University\, specializing in translational biomaterials\, nanostructured polymers\, and medical technologies designed for real-world clinical impact. Dr. Barzilay’s work spans nanofiber engineering\, polymer science\, and medical device development. She collaborates closely with hospitals\, research institutions\, and industry partners worldwide\, contributing to the development of next-generation electrospinning platforms for wound healing\, regenerative medicine\, drug delivery\, and personalized healthcare applications.
URL:https://aero.iisc.ac.in/event/electrospinning-technology-applications-and-advancements/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/11/Barzilay.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20251027T103000
DTEND;TZID=Asia/Kolkata:20251027T130000
DTSTAMP:20260612T103048
CREATED:20251024T100127Z
LAST-MODIFIED:20251024T100127Z
UID:10000092-1761561000-1761570000@aero.iisc.ac.in
SUMMARY:Advanced Fiber Laser Technologies and Applications from VPG Laserone: Integrating Industrial\, Medical\, and Scientific Innovations
DESCRIPTION:VPG Laserone\, a successor of IRE-Polus Ltd founded in 1991 by physicist Valentin P. Gapontsev\, represents over three decades of scientific leadership in high-power fiber laser technology. The company has established a vertically integrated manufacturing ecosystem in Russia—localizing 85 % of component production and dedicating 25 % of its investments to R&D—to design\, develop\, and industrialize advanced photonic systems for industrial\, medical\, and telecommunication applications. Its current portfolio spans continuous-wave\, quasi-continuous-wave\, nanosecond\, and picosecond fiber lasers\, with output powers reaching 60 kW and pulse energies exceeding 60 J. These sources power a range of industrial laser systems—including orbital pipe-welding (TongWELD)\, hydro-laser cutting (FL-HYDRO)\, laser cladding and hardening platforms (FL-CPM)\, robotic laser processing (LightBOT)\, and precision micro-machining systems (FL-MICRO). The company’s fiber-based laser cleaning and welding systems (LiteWELD\, LightCLEAN) demonstrate high beam quality\, energy efficiency > 40 %\, and operational reliability under continuous-duty cycles.\nBeyond manufacturing\, VPG Laserone extends photonics into biomedical and telecommunication domains. Its FiberLase CR and Urolase series of thulium-fiber medical lasers support clinical applications in tissue regeneration\, urology\, and surgery\, under ISO 13485:2016 certification. In telecom\, the HORIZON DWDM platform and KONUS optical transport systems enable ultra-long-reach optical communication networks with flexible topology and OTN switching.\nContinuous innovation in laser physics\, materials science\, and precision engineering underpins VPG Laserone’s mission to “fill reality with innovations.” By combining fundamental research with scalable industrialization\, the company aims to become a global benchmark in laser-based manufacturing and photonic integration by 2030—advancing scientific discovery and enabling transformative industrial applications across multiple sectors. \n  \nSpeaker :  Artur Andreev \, First Deputy CEO \, VPG Laserone LLC (formerly IRE-Polus Ltd)\nFryazino\, Moscow Region\, Russia
URL:https://aero.iisc.ac.in/event/advanced-fiber-laser-technologies-and-applications-from-vpg-laserone-integrating-industrial-medical-and-scientific-innovations/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/10/Artur-.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20251022T160000
DTEND;TZID=Asia/Kolkata:20251022T170000
DTSTAMP:20260612T103048
CREATED:20251021T054808Z
LAST-MODIFIED:20251021T054808Z
UID:10000090-1761148800-1761152400@aero.iisc.ac.in
SUMMARY:Experimental Studies and Control of Subsonic & Supersonic Flows Strategic Opportunities for Collaboration with Florida State University
DESCRIPTION:This talk will consist of parts: The first provides an overview of some interesting and challenging problems that have been studied over the past three decades by my research group. These studies span subsonic and supersonic flows and often involve developing or applying advanced diagnostics in difficult environments allowing us to peer into complex\, feature-rich flows and offering significant insight into the governing physics. I will highlight a few\, representative\, complex flows. The first problem involves subsonic flow around a cylinder with a slanted base—a canonical bluff body geometry analogous to an aircraft fuselage that is often dominated by strong unsteady-meandering vortices. The second consists of supersonic single and dual impinging jets – canonical models of flows that occur in VTOL/STOVL aircraft during hover. They often produce highly unsteady aeroacoustics that are resonance driven resulting in extremely high noise levels\, fatigue of structures and other issues. The third example is the three-dimensional flow field due to single and dual-fin generated swept shock wave/boundary layer interaction (SBLI). Such interactions are ubiquitous in supersonic-hypersonic air vehicles where they can impact internal and external aerodynamics. If time permits\, examples of implementing active flow control (AFC) for some of these problems will also be examined.\nThe research discussed herein is a very limited subset of the broad array of advanced research being conducted at Florida State University (FSU) by its faculty and students\, using many unique and cutting-edge facilities. An introduction to some of FSU’s core research strengths and capabilities is the focus of the second part of the talk. In addition to the STEM-focused fields\, FSU’s has many other areas of significant and emerging strength such as Health\, Business\, Entrepreneurship and Innovation-driven translation. As a result\, I hope to catalyze a dialogue between our institutions to identify a framework and paths for mutually beneficial partnerships. Such partnerships may include\, but are not limited to\, faculty exchanges\, joint research proposals and projects\, and student exchanges and residencies abroad\, with the goal of amplifying global exchange of ideas\, accelerating discovery and enhancing national and international impact. \nSpeaker: Farrukh Alvi \n  \nBiography :  \nFarrukh Alvi is the Don Fuqua Eminent Scholar and Professor of Mechanical & Aerospace Engineering. He also serves as the Senior Associate Provost for Strategic Initiatives and Innovation at Florida State University\, where he helps drive major institutional projects and partnerships. Over the past two years in this role\, Farrukh has led strategic initiatives from the Provost’s Office that have strengthened FSU’s global engagement\, advanced institutional innovation\, and expanded collaborative research opportunities across disciplines. He recently completed an IPA assignment as the Director for Institutional Research Capacity and Strategic Growth at the Basic Research Office under the Office of Undersecretary of Defense (Research & Engineering). Previously\, Farrukh served as the Senior Associate Dean for Research & Graduate Studies at the FAMU- FSU College of Engineering for nearly 6 years including as the Interim Dean in 2022.  In 2023\, he co-led Florida State University’s development and funding of a landmark $160M+ proposal for the Institute for Strategic Partnerships\, Innovation\, Research\, and Education (InSPIRE)\, ultimately serving as its founding Executive Director. He also leads\, as principal investigator\, a multi-institutional NSF Engines proposal to create the Florida Advanced Manufacturing Engine (FLAME)\, which was selected as a semifinalist. His efforts overseeing InSPIRE and FLAME have catalyzed new models for institutional collaboration and innovation. He is the founding director of the Florida Center for Advanced Aero-propulsion (FCAAP)\, a multi-university\, state-wide research\, training and education center he helped establish in 2008. Farrukh received his B.S. in Nuclear Engineering from UC Berkeley and his PhD in Mechanical Engineering from Penn State University. His research focuses on fundamental phenomenon\, primarily in compressible flows; active flow and noise control\, including the development and use of micro-fluidic actuators; and the development and use of advanced diagnostics. He holds numerous patents in his areas of research. His research has been funded by numerous US government entities(NSF\, AFOSR\, ONR\, DARPA\, ARO) and industry. He has mentored more than 60 PhD and MS students\, post-doctoral researchers and scientists. He is a Fellow of the Royal Aeronautical Society\, Fellow of ASME\, an Associate Fellow of AIAA and has served as an Associate Editor of the AIAA Journal.
URL:https://aero.iisc.ac.in/event/experimental-studies-and-control-of-subsonic-supersonic-flows-strategic-opportunities-for-collaboration-with-florida-state-university/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/10/Farrukh.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20251022T153000
DTEND;TZID=Asia/Kolkata:20251022T170000
DTSTAMP:20260612T103048
CREATED:20251021T110651Z
LAST-MODIFIED:20251021T110651Z
UID:10000091-1761147000-1761152400@aero.iisc.ac.in
SUMMARY:Ph.D.(Engg):Elastic Wave Propagation in Textured Polycrystalline Media
DESCRIPTION:The performance and reliability of structural components in advanced engineering applications\, such as turbine discs in aeroengines\, are critically influenced by their microstructural characteristics\, particularly the crystallographic texture. Texture controls the mechanical response of a material and ultimately governs the safe life of a component. Ultrasonic non-destructive evaluation (NDE) techniques offer a powerful way to routinely monitor such materials volumetrically; however\, interpreting wave measurements in polycrystalline media is challenging due to structural noise\, wave reflections and mode conversion. While numerical approaches enable the near-experimental exploration of elastic waves in such media\, they are often computationally expensive.\nThis work addresses this challenge by developing a computationally efficient and experimentally supported simulation-driven framework to study elastic wave propagation in textured polycrystalline media and to recover intrinsic material properties\, such as stiffness () and density ()\, from measured group velocities (). The work is structured in two major parts:\nFirst\, forward simulations: Synthetic polycrystalline volume elements (PVE) were generated using DREAM.3D\, subsequently embedded in COMSOL Multiphysics\, where wave propagation studies were conducted on PVEs with controlled texture intensities (e.g.\, Cube {001} <100> and Copper {112} <111>)\, as well as with the experimentally informed microstructures. The results reveal that increasing texture intensity leads to more anisotropic group velocity and reduced wave scattering. To efficiently incorporate large experimental orientation datasets obtained from deformation and annealing textures\, a reduced microstructural strategy was developed that preserves the texture information while significantly reducing computational cost. This approach provides experimental support for the small-sized PVEs\, demonstrating their reliability in capturing the sense of the wave velocity governed by crystallographic texture.\nBuilding upon the methodology developed\, an application-based study was conducted on the dual-microstructure of the turbine disc to investigate the combined effects of grain size and grain orientation on wave velocity. The results showed the dominance of grain orientation over grain size\, establishing texture as a crucial microstructural feature that governs elastic wave propagation and is also a prime indicator of the operational reliability of a component.\nSecond\, inverse property identification: A frequency-domain inversion framework based on spectral finite element method (SFEM)\, and nonlinear least square optimization was formulated to estimate elastic stiffness () and density () directly from the measured wave responses. This approach bypasses time-domain complexities and avoids dependence on prior material data\, achieving accurate recovery of intrinsic properties even in the presence of scattering noise.\nThe inversely predicted data () were validated for both synthetic and experimentally informed microstructures using a wave-independent methodology () that displays an excellent agreement within  4 % deviations. The results reveal how texture information can be inferred using uncertainty limits  and \, which are strongly influenced by microstructural scattering.\nOverall\, the work establishes a computationally efficient and experimentally supported pathway for texture-sensitive applications\, offering a rapid property identification in components where destructive methods are not feasible. These contributions enhance our understanding of wave-microstructure interactions and support the development of routine non-destructive evaluation of structural materials in aerospace and other critical engineering sectors.\n\nSpeaker :  Himanshu Gupta\n\nResearch Supervisors : Prof. S. Gopalakrishnan & Prof. Satyam Suwas
URL:https://aero.iisc.ac.in/event/ph-d-enggelastic-wave-propagation-in-textured-polycrystalline-media/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:Thesis Colloquium / Defence
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/10/Himanshu.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20251016T150000
DTEND;TZID=Asia/Kolkata:20251016T170000
DTSTAMP:20260612T103048
CREATED:20251016T033002Z
LAST-MODIFIED:20251016T053705Z
UID:10000089-1760626800-1760634000@aero.iisc.ac.in
SUMMARY:Analysis and Design of Highly Flexible Morphing Structures
DESCRIPTION:Advancements in the aviation sector have consistently aimed to maximize efficiency through a multi-disciplinary approach\, focusing on optimizing both structural and aerodynamic performance. Although modern aerospace structures are engineering marvels\, they often lack or limit the flexibility observed in nature—such as the flexible\, flapping wings of birds. This contrast underscores a significant opportunity to enhance structural performance without compromising safety. A paradigm shift towards more flexible or morphing structures could open up a new realm of lightweight\, adaptive solutions. Rather than resisting sudden\, extreme loads\, flexible structures adapt by deforming and altering their stiffness characteristics\, thereby maintaining safety. Multistable composite laminates are promising candidates for morphing applications\, owing to their ability to switch between multiple stable states. By applying external energy\, these structures can transition\, or “snap through\,” from one stable shape to another\, a phenomenon extensively explored in aerospace research.\nTo advance this field\, this study proposes the computational analysis and design of small-scale morphing structures. The study introduces a novel morphing component based on multistable fiber-reinforced composites\, generated through thermally induced residual stresses. Surface-bonded piezoelectric composite actuators are employed to trigger the snap-through. The study presents refined semi-analytical and finite element techniques\, and the findings are validated by manufacturing and testing small-scale morphing elements. Results demonstrate that\, compared to conventional morphing structures\, the proposed design can reduce energy consumption significantly (more than 60% for the presented design). Looking ahead\, the focus has to shift toward extending these concepts for real applications\, with the goal of preventing failures while enabling large deformations under extreme loading conditions. Achieving this balance demands a novel approach\, integrating state-of-the-art computational and manufacturing technologies. Future efforts will aim to explore the structural design space of flexible stiffness switching structures (S³)\, unlocking the full potential of adaptive\, intelligent\, next-generation systems of the future.\n\n\nSpeaker : Dr. Anilkumar P. M.\n\nBiography\n\nDr. Anilkumar P. M. is a research group leader (postdoctoral researcher) in composite structures at the Institute of Structural Analysis\, Leibniz University Hannover\, Germany (since April 2023). He completed his PhD at IIT Madras (January 2023) in morphing structures\, supported by the PMRF and the DAAD binational PhD program with collaboration in Hannover\, along with exchange visits to the Bernal Composite Group\, University of Limerick. He holds an M.Tech. from IIT Madras and a B.Tech. from NIT Calicut. He has published extensively in morphing structures\, stability of composite structures\, and related areas. His research interests include composite materials and structures\, smart morphing structures\, and buckling/postbuckling analysis.
URL:https://aero.iisc.ac.in/event/analysis-and-design-of-highly-flexible-morphing-structures/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/10/Anilkumar.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20250821T120000
DTEND;TZID=Asia/Kolkata:20250821T130000
DTSTAMP:20260612T103048
CREATED:20250819T054916Z
LAST-MODIFIED:20250820T112000Z
UID:10000086-1755777600-1755781200@aero.iisc.ac.in
SUMMARY:Development of Control Law for MALE UAV with Autonomous Take-off and Landing
DESCRIPTION:This seminar presents a systematic methodology for the design of flight control laws for Medium Altitude Long Endurance (MALE) UAV operating at high altitudes\, including the development of control law for fully autonomous take-off and landing operations. The process begins by developing a detailed model of the aircraft\, incorporating parameters such as mass\, inertia\, aerodynamic characteristics\, centre of gravity variation\, and propulsion data. These models are employed for both linear and nonlinear analyses\, including trim calculations across\nthe entire flight envelope up to 30\,000 ft. They also account for endurance at moderate altitudes exceeding 20 hours\, incorporating engine performance degradation above 23\,000 ft. To ensure practical performance\, the model includes a lumped delay\, actuator dynamics\, and sensor model. Control laws are then designed around central and extreme trim conditions\, following military-grade stability margins. The control law design involves the adaptation of classical proportional derivative and integral (PID) control and the proposal of decoupled incremental nonlinear dynamic inversion (DINDI) as a modern alternative. The control law is tested through various simulation stages. These include model-in-the-loop (MIL) testing and Monte Carlo simulations with disturbances like turbulence and wind gusts. Once verified\, the controller is tested as hardware in a hardware-in-the-loop simulation\, followed by flight trials. This workflow ensures the resulting control laws are both reliable and adaptable\, making them suitable for modern UAV missions in dynamic\, real conditions. In the future\, the control system undergoes flight envelope expansion\n\n\nSpeaker: Dr. Salahudden\, Dept. of Aerospace Engineering\, Punjab Engineering College\, Chandigarh\n\nBiography:\nDr. Salahudden is currently working as an Assistant Professor at the Department of Aerospace Engineering (AE) at Punjab Engineering College\, Chandigarh\, India. Prior to this\, he was the Deputy Manager in Flight Controls Department at TATA Aerospace and Defence. Before that\, he worked as a Postdoctoral Fellow at Auburn University in the AE Department\, United States.\nHe earned a Ph.D. in AE from the Indian Institute of Technology Kanpur (IITK)\, India\, in 2022. He received a M.Tech in AE from IIT Kanpur in 2018 and a B.Tech in AE from SRM University Chennai\, India in 2016. His research interests include the areas of flight mechanics\, high angle of attack aircraft dynamics\, aircraft design\, control law design for flight vehicles and autopilot\ndesign. He published numerous reputable journals and conferences based on his research. He is also serving as a reviewer for several reputed journals. He has received many academic and\nresearch awards (Outstanding PhD Thesis Award\, Excellent Undergraduate Project Award\,\nOutstanding Academic Performance Award\, to name a few)
URL:https://aero.iisc.ac.in/event/development-of-control-law-for-male-uav-with-autonomous-take-off-and-landing/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/08/Sahahudden-1.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20250630T160000
DTEND;TZID=Asia/Kolkata:20250630T170000
DTSTAMP:20260612T103048
CREATED:20250630T060101Z
LAST-MODIFIED:20250630T060101Z
UID:10000081-1751299200-1751302800@aero.iisc.ac.in
SUMMARY:Nature of Phase Kinetics and Memory in Shape Memory Alloys
DESCRIPTION:Shape Memory phenomenon in some intermetallics like NiTi is well known. However\, during arbitrary thermomechanical loading\, these materials exhibit several other interesting\, yet less-understood phenomena. In this talk\, Thermal Arrest Memory and associated effects during interrupted phase transformations in shape memory alloys are discussed and some fascinating underpinnings in the associated martensitic transformations are highlighted.\nThe research talk will be followed by a presentation by the speaker about potential Research and Teaching initiatives and future directions toward collaborative activities at the department. This will include a brief overview of the R&D experience of the speaker over 3 decades\, and a strategy to pursue Research and Development of allied Aerospace technologies and engage with relevant organizations. A brief overview of proposed elective courses like Advanced Aerospace Materials\, and Life-Cycle Analysis and Design of Aerospace systems and components is provided. These are aimed at enhancing the academic level of the students of the department and making them more contemporary. \nSpeaker : Dr. Vidyashankar Buravalla \nBiography :  \nDr. Vidyashankar Buravalla obtained his Ph.D in Aerospace Engineering from IISc in 1998. He has worked in National\, International\, and Multinational R&D entities over the last 3 decades. His areas of expertise include Smart materials and systems\, composite materials and structures\, continuum mechanics\, thermodynamics\, fracture mechanics\, vibration and damping\, NDE and turbomachinery.  He recently superannuated as a Principal Engineer from GE Global Research Center in Bangalore where he worked for nearly 13 years. Prior to that\, he worked in GM R&D for nearly 10 years\, in ADA for 3 years\, and in Rolls-Royce Technology Center in Sheffield UK for 3 years as a Research Fellow. He has 24 Journal and 13 Conference publications and more than 35 technical internal reports. He has 15 patents awarded and more than 30 patent applications under review/processing. He has received several awards in his R&D career and also served as an Adjunct Faculty at IIT-Kanpur between 2008 and 2012. He is associated with several professional bodies and recently served as Hon. President of the Institute of Smart Structures and Systems (ISSS).
URL:https://aero.iisc.ac.in/event/nature-of-phase-kinetics-and-memory-in-shape-memory-alloys/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/06/Vidyashankar.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20250607T090000
DTEND;TZID=Asia/Kolkata:20250607T173000
DTSTAMP:20260612T103048
CREATED:20250603T101338Z
LAST-MODIFIED:20250604T063640Z
UID:10000078-1749286800-1749317400@aero.iisc.ac.in
SUMMARY:Onboard Trajectory Optimization for System Autonomy on Saturday
DESCRIPTION:Onboard trajectory optimization lies at the heart of true system autonomy\, including UAVs\, Robots\, spacecrafts\, launch vehicles\, missiles\, and so on. Onboard trajectory optimization in real time (optimal guidance) can be generally viewed as a difficult problem. However\, it holds great promise for true system autonomy. The complex interplay between autonomy and onboard decision support systems introduces new vulnerabilities that are extremely hard to predict with most existing guidance and control tools. In this tutorial workshop\, the basic background behind trajectory optimization and computational guidance will be reviewed first. Next\, some recent advances in stabilized continuation techniques for solving two-point boundary value problems with convergence and compute guarantees will be discussed. These concepts further extend for applications to broad classes of trajectory guidance applications for aerospace flight systems including the accommodation of higher-fidelity models through bootstrapping techniques. These technical foundations will be highlighted through illustrative examples for optimal trajectory guidance inside dynamic and uncertain environments. The topics covered will also include an overview of optimal computational guidance with its relevance for challenging aerospace missions. \nLectures:\n1.Overview of Trajectory Optimization (Optimal Control)\n2.Stabilized Continuation for Onboard Trajectory Optimization\n3.Computational Guidance for Aerospace Missions\n4.Bootstrapping Techniques for Onboard Trajectory Optimization \n  \n 
URL:https://aero.iisc.ac.in/event/onboard-trajectory-optimization-for-system-autonomy-on-saturday/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:Workshops / Conferences
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/06/slide_for_display-2.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20250520T103000
DTEND;TZID=Asia/Kolkata:20250520T120000
DTSTAMP:20260612T103048
CREATED:20250515T052853Z
LAST-MODIFIED:20250515T052853Z
UID:10000074-1747737000-1747742400@aero.iisc.ac.in
SUMMARY:Nonlinear saturation of Mack modes in a hypersonic boundary layer
DESCRIPTION:Some decades ago J. T. Stuart formulated a theory for nonlinear saturation of hydrodynamically unstable modes. He proposed that an unstable mode\, upon gaining sufficient energy\, distorts the mean flow. This mean flow distortion reduces the shear\, thus reducing the inviscid energy production mechanism which eventually results in a saturation of instability. In a hypersonic boundary layer\, Mack modes\, which have an acoustic as well as a vortical structure\, saturate with a different mechanism. In this talk I will present the Mack mode instability saturation mechanism using parallel flow DNS and models. I will also give a brief overview of the other ongoing research activity in my group at IIT Delhi. \n  \nSpeaker: Dr. Prateek Gupta \n  \nBiography : \nDr. Gupta is an Assistant Professor at the Department of Applied Mechanics\, IIT Delhi. He completed his BTech in Mechanical Engineering from IIT Delhi in 2015 and PhD in Mechanical Engineering at Purdue University in 2019. He performed theoretical and numerical investigations of nonlinearities in thermoacoustic systems for this PhD thesis. He later joined the Mechanical and Process Engineering Department at ETH Zurich as a Postdoctoral Fellow\, where he worked on theoretical and computational modeling of non-equilibrium thermodynamics in crystalline materials. He joined the faculty of his alma mater in 2021. Dr. Gupta’s broad research interests span fundamentals and applications of fluid mechanics\, statistical mechanics\, and thermodynamics. \n 
URL:https://aero.iisc.ac.in/event/nonlinear-saturation-of-mack-modes-in-a-hypersonic-boundary-layer/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/05/AE-Seminar.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20250430T110000
DTEND;TZID=Asia/Kolkata:20250430T123000
DTSTAMP:20260612T103048
CREATED:20250429T092155Z
LAST-MODIFIED:20250429T092155Z
UID:10000073-1746010800-1746016200@aero.iisc.ac.in
SUMMARY:Electrographic Seizure Detection and Forecasting for People with Epilepsy
DESCRIPTION:About fifty million people worldwide suffer from epilepsy\, a neurological disorder marked by sudden\, recurrent episodes of abnormal electrical activity in the brain\, potentially causing sensory disturbances\, convulsions and/or loss of consciousness. Seizure diaries that record the start and end times of each seizure\, along with associated information are important in the management of the disease. However\, video electroencephalogram (EEG) systems available in epilepsy monitoring units and at home ambulatory monitoring units are bulky and unwieldy for continuously monitoring patients during activities of their everyday life. In this talk\, I will describe ongoing efforts to address this issue by utilizing single channel\, wireless and wearable EEG sensors\, and a machine learning approach to continuously monitor persons with epilepsy to detect and characterize electrographic seizures. In addition to explaining the basic approach to automated seizure analysis\, I will discuss: (1) an approach to generalizing the method so that systems trained on one set of patients can be used to monitor other patients; (2) an approach to enhancing the training of the machine learning system when sufficient amount of data is not available; (3) a probabilistic method for determining the type of seizure; (4) our approaches to converting intermediate\, segment-level decisions to seizure event-level decisions; and (5) a personalized algorithm for seizure forecasting to warn patients of impending seizures. I will illustrate the viability of our algorithms using data collected in a multi-center study. \n  \nSpeaker : V John Mathews \nBiography :  \nV John Mathews is a professor in the School of Electrical Engineering and Computer Science at the Oregon State University and Prof. Satish Dhawan (IoE) Visiting Chair Professor at the Indian Institute of Science\, Bangalore. He received his Ph.D. and M.S. degrees in electrical and computer engineering from the University of Iowa\, Iowa City\, Iowa in 1984 and 1981\, respectively\, and the B.E. (Hons.) degree in electronics and communication engineering from the Regional Engineering College (now National Institute of Technology)\, Tiruchirappalli\, India in 1980. \nHis research interests are in nonlinear and adaptive signal processing and application of signal processing and machine learning techniques in neural engineering\, biomedicine\, and structural health management. Mathews is a Fellow of the IEEE. He has served in many leadership positions of the IEEE Signal Processing Society.
URL:https://aero.iisc.ac.in/event/electrographic-seizure-detection-and-forecasting-for-people-with-epilepsy/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/04/Poster-distinguished-lecture-1_page-0001.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20250327T100000
DTEND;TZID=Asia/Kolkata:20250327T113000
DTSTAMP:20260612T103048
CREATED:20250321T092005Z
LAST-MODIFIED:20250326T050121Z
UID:10000064-1743069600-1743075000@aero.iisc.ac.in
SUMMARY:Challenges and Strategies for Machining Aerospace High-Temperature Materials
DESCRIPTION:Abstract:\nThe presentation opens with a comparison of high-temperature materials with everyday metals. This will be followed by a discussion of challenges and an understanding of the machinability of high-temperature materials. Next\, various strategies for machining high-temperature materials\, along with practical real-life case studies\, will be presented. We will be introducing the concept of Feed Milling and its advantages. Pocket Milling is among challenging operations\, and we will discuss existing and alternate methods of pocket milling. Finally\, we will discuss the Barrel mill concept for faster profile machining and a few other solutions. \nSpeaker: H R Narasimhan \n  \nBiography:\nH R Narasimhan is currently a Business Development Manager at ISCAR Metalworks\, a multinational metal-cutting tools company affiliated with one of the world’s largest metalworking conglomerates\, the IMC Group (International Metalworking Companies). He has over 25 years of experience in the US Aerospace Industry in Los Angeles\, Oregon\, Seattle\, and Salt Lake City areas\, with several years of experience as National Product Manager for milling and specializing in machining high-temperature materials and composites
URL:https://aero.iisc.ac.in/event/challenges-and-strategies-for-machining-aerospace-high-temperature-materials/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/03/Narasimhan.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20250317T090000
DTEND;TZID=Asia/Kolkata:20250317T173000
DTSTAMP:20260612T103048
CREATED:20250225T055413Z
LAST-MODIFIED:20250225T055413Z
UID:10000055-1742202000-1742232600@aero.iisc.ac.in
SUMMARY:Workshop on Sustainability
DESCRIPTION:The Society for Shock Wave Research (India )\, Department of Aerospace Engineering is organizing a “One Day Workshop on Sustainability in Aerospace”  on Monday\, March 17\, 2025. The primary objective of this workshop is to delve into recent advancements and future challenges in sustainable aerospace technology.\nThe aerospace sector is experiencing significant growth in both aviation and space access. As environmental and sustainability concerns take center stage\, the need for continued growth and expansion in the aerospace sector becomes more pressing. This workshop aims to bring together students\, academics\, industry professionals\, and global experts to engage in discussions focused on innovative solutions for sustainability in propulsion systems\, aircraft designs\, fuels\, and space systems. Technical experts from TU-Delft\, University of Central Florida\, IISc and startups from the Netherlands and India will be delivering expert talks highlighting the frontline research activity towards sustainability in aerospace systems. Ample opportunities for discussions among community members will enable the spawning of new research directions.\nWorkshop Brochure is attached.\n\nInterested participants\, kindly register for the workshop.\n\nPlease contact srisharao@iisc.ac.in / sumittambe@iisc.ac.in for any clarifications.
URL:https://aero.iisc.ac.in/event/workshop-on-sustainability/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:Workshops / Conferences
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/02/WorkshopSustainability.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20250305T153000
DTEND;TZID=Asia/Kolkata:20250305T170000
DTSTAMP:20260612T103048
CREATED:20250303T052352Z
LAST-MODIFIED:20250303T052352Z
UID:10000056-1741188600-1741194000@aero.iisc.ac.in
SUMMARY:Multi-fuel combustion for sustainable aviation
DESCRIPTION:With the climate change becoming as one of the main challenges for human existence\, every sector has to contribute in reducing its climate footprint. Being an international and hard to abate sectors\, aviation is struggling to find a viable replacement for kerosene. This talk focuses on a novel multi-fuel combustion strategy that is aimed at making aviation fuel agnostic. This is one of the latest endeavours that we are pursuing at TU Delft along with our industrial partners\, Airbus and Safran. \n  \nSpeaker:  Prof. Arvind G Rao \nBiography : \nDr. Arvind Gangoli Rao\, is a Chair Professor of Sustainable Aircraft Propulsion at the Faculty of Aerospace Engineering\, TU Delft. Dr. Gangoli Rao obtained his masters and PhD in aerospace engineering from the Indian Institute of Technology\, Bombay and later worked at Technion\, Israel as a post-doctoral researcher. Dr. Gangoli Rao is a specialist in aircraft propulsion and has worked on a variety of problems related to gas turbines and novel propulsion systems for aircraft\, especially ones dealing with the usage of alternative energy sources. He has authored around 100 publications. Dr. Gangoli Rao has been involved in several EU projects and Dutch funded projects on sustainable aviation along with the industrial partners. He is the Dutch representative International Society of Air Breathing Engines (ISABE). He is also a member of the ACARE (Advisory Committee for Research and innovation in Europe) working group on Energy and Environment.
URL:https://aero.iisc.ac.in/event/multi-fuel-combustion-for-sustainable-aviation/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/03/Arvind.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20250128T090000
DTEND;TZID=Asia/Kolkata:20250131T170000
DTSTAMP:20260612T103048
CREATED:20250127T042311Z
LAST-MODIFIED:20250127T042955Z
UID:10000050-1738054800-1738342800@aero.iisc.ac.in
SUMMARY:AERES 2025
DESCRIPTION:The Department of Aerospace Engineering\, IISc\, is excited to invite you to AERES 2025—a premier Aerospace Research Students’ Symposium. This 4-day event brings together MTech and PhD students from IISc and other leading institutes to showcase innovative research and connect with industry experts. \n  \nWhy Attend AERES 2025? \n• 6 Keynote Talks: Hear from distinguished leaders in the aerospace industry. \n• 2 Workshops: Enhance your skills with hands-on learning opportunities. \n• Oral and Poster Presentations: Discover groundbreaking research and engage in discussions on cutting-edge advancements. \nThis symposium offers an excellent platform to network\, learn from industry leaders\, and explore the latest trends in aerospace technology. \nThis year we are also welcoming select student participants from Indian Institute of Space Science and Technology (IIST) to attend and present their research in AERES. \n  \nSchedule Link:  \nhttps://ca00f07c-32a8-46fd-ad7a-fb170b00b80e.filesusr.com/ugd/0858f9_0ebf6e9519354c66ae41e406446cbd13.pdf
URL:https://aero.iisc.ac.in/event/aeres-2025/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/01/Copy-of-Indian-Institute-of-Science-IISc-Dept.-of-Aerospace-Engineering-32-x-64-in-64-x-32-in.pdf-4-1_page-0001_11zon-scaled.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20250116T110000
DTEND;TZID=Asia/Kolkata:20250116T130000
DTSTAMP:20260612T103048
CREATED:20250115T054120Z
LAST-MODIFIED:20250115T054120Z
UID:10000048-1737025200-1737032400@aero.iisc.ac.in
SUMMARY:Ph.D. (Engg): Transonic shock buffet in an axial flow fan
DESCRIPTION:Transonic shock buffet\, a self-sustained shock oscillation resulting from shock-boundary layer interaction\, is observed across a range of operating points on the performance map of a transonic axial flow fan. Shock oscillations impart time-varying air loads on fan blades with the potential of leading to fatigue-induced structural failure. Accurate estimations of shock buffet onset\, shock displacement\, and buffet frequency are critical to lifing assessment of turbomachinery blades. This study focuses on predicting transonic shock buffet in a transonic axial flow fan using high-fidelity numerical simulations\, followed by investigation of its underlying mechanisms through wave propagation analysis and modal analysis of buffet flow. Steady flow solutions obtained using a RANS solver predict performance characteristics and capture key features of the fan’s shock structure in conformation with experimental and numerical results from the literature. Unsteady flow simulations on a full-annulus model using URANS successfully capture shock buffet and its salient attributes at two operating points—near design mass flow and near stall. Wave propagation analysis and spectral proper orthogonal decomposition of buffet flow reveal a feedback loop of upstream and downstream propagating pressure perturbation waves driving shock buffet. Subtle modification to Lee’s buffet model is proposed for accurately predicting buffet frequency in a turbomachinery context. Buffet flow is characterized by circumferential\, radial\, and stream-wise pressure perturbation waves\, with circumferential flow periodicity breaking down during buffet. A global stability analysis framework is presented and its prognostic potential for predicting shock buffet in turbomachinery is evaluated. The global stability analysis framework enables accurate prediction of buffet frequencies and associated modes with drastically reduced computational cost compared to that required for unsteady simulations. Finally\, the aeromechanical response of the fan to buffet-induced unsteady air loads is assessed. The buffet frequencies do not excite resonant blade vibrations or buffeting but induce an alternating mis-staggering structural response in the fan blades due to aerodynamic mistuning arising of buffet flow. In summary\, we have shown\, for the first time\, transonic shock buffet in an axial flow fan can be captured using a full-annulus simulation. Further\, this study advances the understanding of transonic shock buffet mechanisms\, demonstrating robust methodologies for predicting shock buffet\, and assessing its aeromechanical implications in turbomachinery. \n  \nSpeaker : Jyoti Ranjan Majhi \n  \nResearch Supervisor: Prof. Kartik Venkatraman.
URL:https://aero.iisc.ac.in/event/ph-d-engg-transonic-shock-buffet-in-an-axial-flow-fan/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:Thesis Colloquium / Defence
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2025/01/Jyoti-.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20241219T090000
DTEND;TZID=Asia/Kolkata:20241220T173000
DTSTAMP:20260612T103048
CREATED:20241219T044539Z
LAST-MODIFIED:20241219T044539Z
UID:10000045-1734598800-1734715800@aero.iisc.ac.in
SUMMARY:Two-Day Short Course on Mathematics and Computing of Risk\, Reliability and Resilience in Network and Enterprise Systems
DESCRIPTION:This course is designed to familiarize the students with the mathematical concepts and computational techniques in quantifying the risk\, reliability and resilience (RRR) of large\, complex systems\, in the presence of multiple types of uncertainty. Often the information available for RRR analysis is heterogeneous\, coming from multiple sources (models\, tests\, experts) and in multiple formats. The use of Bayesian methods to integrate heterogeneous information will be presented. The use of RRR quantification results in various types of decisions will be discussed\, such as system design\, manufacturing\, operations\, and sustainment. The concept and use of digital twins that continuously update the system model with incoming data to maintain high levels of system performance and resilience will be presented. Application examples from engineering systems (e.g.\, aircraft\, buildings)\, business enterprise systems (e.g.\, manufacturing and distribution supply chains)\, and civil infrastructure systems (e.g.\, power grid\, transportation) will be used to illustrate the RRR techniques for large complex systems. For more information\, please visit our website https://abcmc.iisc.ac.in/events/ \n  \nSpeaker: Dr. Sankaran Mahadevan \n  \nBiograpgy:  \nProfessor Sankaran Mahadevan has thirty-six years of research and teaching experience in reliability and risk methods\, uncertainty quantification\, model validation\, system health and risk management\, and optimization under uncertainty. His research has been extensively funded by NSF\, NASA\, FAA\, DOE\, DOD\, DOT\, NIST\, General Motors\, Chrysler\, Union Pacific\, American Railroad Association\, and Sandia\, Idaho\, Los Alamos and Oak Ridge national laboratories. His research contributions are documented in more than 700 publications\, including two textbooks on reliability methods and 350 journal papers. He is one of the world’s highest cited researchers in the field of uncertainty and risk analysis (Google Scholar h-index 90). He has directed 56 Ph.D. dissertations and 24 M. S. theses and has taught many industry and university short courses on the mathematics and computing of uncertainty and reliability analysis. Professor Mahadevan is a Fellow of AIAA\, Fellow of the Engineering Mechanics Institute (ASCE)\, and Fellow of Prognostics and Health Management Society (PHM). He is the winner of several prestigious awards including the Senior Distinguished Research Award from the International Association of Structural Safety and Reliability\, NASA Next Generation Design Tools award\, SAE Distinguished Probabilistic Methods Educator Award\, and best paper awards in several international conferences. He recently completed his service as President of the ASCE Engineering Mechanics Institute and Managing Editor of ASCE-ASME Journal of Risk and Uncertainty (Part B: Mechanical Engineering). He is currently Chair of the ASME VVUQ50 Committee on Advanced Manufacturing.
URL:https://aero.iisc.ac.in/event/two-day-short-course-on-mathematics-and-computing-of-risk-reliability-and-resilience-in-network-and-enterprise-systems/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2024/12/TwoDay.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20241001T153000
DTEND;TZID=Asia/Kolkata:20241001T163000
DTSTAMP:20260612T103048
CREATED:20241118T095302Z
LAST-MODIFIED:20241118T095302Z
UID:10000023-1727796600-1727800200@aero.iisc.ac.in
SUMMARY:Shape control and programmable morphing: applications to biological and bio-inspired motility
DESCRIPTION:In recent years\, we have studied morphing and shape control problems in the context of motility of biological systems and locomotion of robotic systems. Our aim is to distil lessons useful for the design of innovative and bio-inspired medical and devices. The tools used for this purpose include theoretical/computational mechanics of solids and fluids\, physical experimentation and manufacturing of prototypes\, and observations at the microscope in the case of unicellular swimmers. \nSome of the insights that have emerged from this research line are reviewed in this talk\, with special emphasis on unicellular swimmers\, both flagellates and ciliates\, and on attempts to produce bio-inspired artifacts mimicking their capabilities using active materials such as liquid crystal elastomers. As examples of applications\, we discuss fabrication and modelling of LCE-based fiber arrays realizing artificial active cilia carpets [1] and light-powered LCE-based medusoid swimmers [2]\, see Figure 1 below. \n  \nSpeaker: Prof. Antonio DeSimone \nBiography: Prof. Antonio DeSimone is a professor of Structural Mechanics at SISSA in Trieste and the BioRobotics Institute at Scuola Superiore Sant’Anna in Pisa. His research interests span a wide range of topics\, including the mechanics of materials\, micromagnetics\, systems biology\, and the calculus of variations. He has held numerous visiting research appointments\, including positions at the University of Minnesota\, Université Paris XIII\, the Joliot-Curie Chair at ESPCI Paris\, the Institute for Mathematics and its Applications in Minneapolis\, and the Isaac Newton Institute for Mathematical Sciences in Cambridge. In recognition of his contributions to the mathematical sciences\, he was awarded the Keith Medal in 2006.
URL:https://aero.iisc.ac.in/event/shape-control-and-programmable-morphing-applications-to-biological-and-bio-inspired-motility/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2024/04/AE-Seminar.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20240910T153000
DTEND;TZID=Asia/Kolkata:20240910T163000
DTSTAMP:20260612T103048
CREATED:20241118T094224Z
LAST-MODIFIED:20241118T094224Z
UID:10000020-1725982200-1725985800@aero.iisc.ac.in
SUMMARY:Solutions for Reducing Severity in Aircraft Flat-Spin Recovery
DESCRIPTION:Aircraft spin is special category of stall and defined as an autorotation in a downward helical pattern with a higher yaw rate than roll and pitch rate. Among the various modes of aircraft spin\, flat-spin being the most ruthless form and characterized by a high angle of attack (𝛼) in the range of 65° to 90°. The flat spin is particularly dangerous since the efficiency of aerodynamic control surfaces is greatly diminished due to nearly perpendicular airflow. In this seminar\, I will talk about\, different flight dynamic and control-based solutions that I developed for recovery (1. Recovery Using Primary Control Surfaces\, 2. Recovery Using Optimally Deflected Deployable Fin\, 3. Strategic Thrust Vector Control Based Recovery\, 4. Vertical Thrust Based Recovery\, 5. Recovery Satisfying Aerodynamic and Load Factor Constraints\, 6. Recovery Using Model Predictive Control\, and 7. Decoupled Incremental Nonlinear Dynamic Inversion Control for Recovery) to reduce the fatality of the flat-spin in terms of excessive altitude loss regulating the survivability post aircraft recovery. Moreover\, an investigation is performed on how the wind and wind share impact the recovery profile. The flat-spin recovery profile is demonstrated on a mathematical model of F-18 high alpha research vehicle (HARV) to test the efficacy of the proposed methods. \nSpeaker: Dr. Salahudden \nBiography: Dr. Salahudden is currently working as an Assistant Professor at the Department of Aerospace Engineering (AE) at Punjab Engineering College\, Chandigarh\, India. Before this\, he was the Deputy Manager in Flight Controls Department at TATA Aerospace and Defence. Prior to that\, he worked as a Postdoctoral Fellow at Auburn University in the AE Department\, United States. He earned a Ph.D. in AE from the Indian Institute of Technology Kanpur (IITK)\, India\, in 2022. He received a M.Tech in AE from IIT Kanpur in 2018 and a B.Tech in AE from SRM University Chennai\, India in 2016. His research interests include the areas of flight mechanics\, aircraft dynamics\, aircraft design\, control law design for flight vehicles\, aircraft simulator design\, and autopilot design. He published numerous reputable journals and conferences based on his research. He is also serving as a reviewer for several reputed journals. He has received many academic and research awards\, such as Outstanding PhD Thesis Award\, Excellent Undergraduate Project Award\, and Outstanding Academic Performance Award.
URL:https://aero.iisc.ac.in/event/solutions-for-reducing-severity-in-aircraft-flat-spin-recovery/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2024/04/AE-Seminar.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20240826T150000
DTEND;TZID=Asia/Kolkata:20240826T160000
DTSTAMP:20260612T103048
CREATED:20241118T084323Z
LAST-MODIFIED:20241118T084323Z
UID:10000019-1724684400-1724688000@aero.iisc.ac.in
SUMMARY:Guidance for Pursuit and Evasion
DESCRIPTION:Traditional pursuit-evasion engagements are concerned with a single pursuer chasing a single target. Current and future engagements may include more than two adversaries. In my talk I will present some new guidance concepts we developed for: 1-on-1\, N-on-1\, 1-on-N\, and N-on-M engagements. Special emphasis will be given to the underlying geometrical rules for guidance as well as to the presentation and analysis of some interesting cooperative guidance schemes. \nSpeaker: Prof. Tal Shima \nBiography: Tal Shima received his B.Sc.\, MA\, and Ph.D. degrees\, all in Aerospace Engineering\, from the Technion – Israel Institute of Technology. He also received the MBA degree from the Tel-Aviv University. Since 2006 Dr. Shima is with the Department of Aerospace Engineering at the Technion where he currently holds the Lottie and Max Dresher Chair in Aerospace Performance and Propulsion. He recently finished his 4 years’ term as dean of the department. His current research interests are in the area of guidance of autonomous vehicles\, especially aerial ones\, operating individually or as a team. He is the author/co-author of more than 100 archival journal papers in these research areas.
URL:https://aero.iisc.ac.in/event/guidance-for-pursuit-and-evasion/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2024/04/AE-Seminar.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20240823T160000
DTEND;TZID=Asia/Kolkata:20240823T170000
DTSTAMP:20260612T103048
CREATED:20240822T090144Z
LAST-MODIFIED:20240822T090919Z
UID:10000018-1724428800-1724432400@aero.iisc.ac.in
SUMMARY:Recent Advances in Infrared Optics: From Metalenses to Upconversion  Imaging
DESCRIPTION:Infrared imaging and spectroscopic sensing are strategic technologies with diverse applications in defense\, space\, industrial monitoring\, medical diagnosis and treatment. Advancements in infrared sensing technology over the years has relied on key developments in light sources\, detectors\, optical components and image processing techniques. However\, the high costs of infrared coherent light sources\, poor performance of cooled focal plane-arrays\, and use of exotic materials for building lenses\, filters\, polarizers etc. has been a deterrent in finding widespread use for this technology. There is an ongoing effort worldwide to realize high-performance yet\, practically relevant optical hardware solutions for infrared sensing and imaging. In this talk\, I will give an overview of this field drawing on personal pain points working on the applications. I will also discuss in detail three key developments in this area\, namely: (i) small foot-print metalenses for building lowcost infrared imaging systems\, (ii) high-performance\, resonant metasurfaces as wavelength selective filters for multispectral applications\, and (iii) up-conversion imaging as an alternative for direct infrared detection by converting infrared photons to the visible range for detection using high performance silicon sensors. \nSpeaker: Prof. Varun Raghunathan \nBiography: Varun Raghunathan is an Associate Professor at the ECE department\, Indian Institute of Science\, Bangalore\, India. His research group works broadly in the area of experimental optics with interest in nonlinear optics\, integrated nanophotonics\, biophotonics\, optical and quantum communications. He obtained his Ph.D. degree in electrical engineering from the University of California Los Angeles\, Los Angeles\, CA\, USA\, in 2008\, working on silicon photonics. From 2009 to 2012\, he was a Postdoctoral Scholar with the Department of Chemistry\, University of California Irvine\, Irvine\, CA\, USA\, working in the area of nonlinear optical microscopy. He was also Research Scientist with Agilent Research Laboratories\, Santa Clara\, CA\, USA from 2012 to 2016\, working in the areas of infrared micro-spectroscopy with applications of novel optical sensing techniques in digital pathology.
URL:https://aero.iisc.ac.in/event/recent-advances-in-infrared-optics-from-metalenses-to-upconversion-imaging/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:AE Seminar
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2024/04/AE-Seminar.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20240418T213000
DTEND;TZID=Asia/Kolkata:20240418T223000
DTSTAMP:20260612T103048
CREATED:20240418T112845Z
LAST-MODIFIED:20240803T053223Z
UID:10000005-1713475800-1713479400@aero.iisc.ac.in
SUMMARY:[PhD Colloquium] A class of vector fields for path following guidance
DESCRIPTION:With rapidly evolving application scenarios\, Unmanned Aerial Vehicles (UAVs) are often desired to autonomously follow predefined paths. Prospective path following guidance methods should cater to the dynamic capability of the UAV\, curvature variation along the path\, and provide accurate performance while utilizing\, preferably\, a computationally inexpensive guidance logic. This thesis presents a class of vector fields addressing a variety of path following guidance problems. \nThe first part of the thesis considers constant curvature paths\, namely\, straight lines and circular orbits. The key idea is to generate the commanded UAV course angle as a vector field based on the instantaneous UAV position. The vector field logic uses an arcsine shaping function based on the UAV position with respect to the desired path. A stability analysis guarantees asymptotic convergence of the UAV position error to zero. A detailed comparative study with a popular approach demonstrates that the proposed method significantly reduces the maximum curvature and the total control effort along the guided trajectory. Numerical simulation studies consider a second-order course hold autopilot\, first-order airspeed control and different UAV initial conditions to demonstrate the effectiveness of the proposed guidance method. \nThe second part of the thesis considers scenarios wherein the path exhibits variation in its curvature. First case considers an elliptic path following scenario\, and a course angle guidance command is proposed which encompasses path convergent and path tangential components. The path convergent term is deduced using an arcsine shaping function of the UAV position error with respect to the path\, while the tangential component is obtained using the slope information of the path. The second path following case considers paths described explicitly as y = f(x). Therein\, again the course angle guidance command comprises path-tracking and path-attracting elements. Subject to the proposed guidance methods\, asymptotically converging behaviour of the UAV position error is deduced using Lyapunov stability theory. Extensive simulation studies are carried out with several UAV initial positions for following elliptic\, sinusoidal\, and parabolic paths. \nNext\, the thesis introduces rectangular boundary surveillance guidance using Lamé curve paths. Geometric properties of the Lamé curve paths are analysed\, and an efficient Lamé curve path-based circumscription of a rectangular boundary is proposed. Considering a given UAV maximum turn rate\, a comparative analysis highlights that the proposed Lamé curve path offers significantly reduced path length in circumscribing a rectangular boundary as compared to widely used elliptic circumscription. Further\, a vector field guidance method is introduced to follow the Lamé curve path\, and its stability properties are established. Numerical simulations include sample scenarios with several UAV initial conditions and comparative studies with different rectangular dimensions. \nUsing an indoor motion capture facility and a quadrotor UAV platform\, the last part of the thesis presents experimental validation studies for the proposed guidance methods. Flight trials consider a variety of constant and variable curvature paths and demonstrate the effectiveness of the proposed guidance methods. \nOverall\, the proposed guidance methods present simple\, analytic\, and easily computable path-following logic that utilize only the UAV position information. Deterministic performance guarantees and extensive validation studies further add to the merit of the proposed guidance solutions. \n  \nSpeaker: Amit Shivam
URL:https://aero.iisc.ac.in/event/a-class-of-vector-fields-for-path-following-guidance/
LOCATION:Auditorium (AE 005)\, Department of Aerospace Engineering
CATEGORIES:Thesis Colloquium / Defence
ATTACH;FMTTYPE=image/jpeg:https://aero.iisc.ac.in/wp-content/uploads/2024/04/Thesis-Colloquium-Defence.jpg
END:VEVENT
END:VCALENDAR