IISc Bangalore

Kartik Venkatraman

Associate Professor
Structures
Email: kartik[at]iisc.ac.in
Office Phone Number: +91-(0)80-2293-2874
Lab Phone Number: +91-(0)80-2293-3057
Office Room Number: AE 202
Lab Room Number : AE 203
Personal Website: Kartik Venkatraman

 

Education

Ph.D. (Applied Mechanics), Indian Institute of Technology Madras, 1995
M.S. (Applied Mechanics), Indian Institute of Technology Madras, 1991
B.Tech. (Aerospace Engineering), Indian Institute of Technology Bombay, 1988

Experience

  • 1996-97, Visiting Assistant Professor, Mechanical Engineering, IIT Kanpur
  • 1995-96, Research Associate, Aerospace Engineering, IIT Bombay

Research Interests

  • Transonic buffet and buffeting over a flexible wing.
  • Computational aeroelasticity in turbomachines.
  • Aerothermoelasticity of hypersonic vehicles.
  • Fluid-elastic interactions in biomechanics.
  • Aeroelasticity of very flexible flight vehicles.
  • Reduced order models in aeroelasticity
  • Active aeroelastic wing technology.
  • Vibration and acoustics

Research Statement

I work on problems at the interface of fluid dynamics and elastodynamics of solids. These include problems in aeroelasticity related to flight vehicles, turbomachines and fluid-elastic interaction problems in biomechanics, and problems in the broad area of vibration and acoustics.

Current Projects

High fidelity numerical simulations of shock boundary layer interactions in transonic buffet over swept and delta wings. National Supercomputing Mission (NSM). 2021-2022.

  1. Pradeepa Tumkur Karnick and Kartik Venkatraman. Viscosity, shock-induced separation, and shock reversal—Oscillating wing section in transonic flow. https://arxiv.org/abs/2105.03724. 2021
  2. Das, Suditpo, Padmanabhan, Madhusudan A. and Kartik Venkatraman. A study of the active aeroelastic wing concept for a delta wing aircraft. AIAA SciTech Forum. Virtual Event. doi: https://doi.org/10.2514/6.2021-0730. 2021
  3. Sudha, U P V, Deodhare, G S, and Venkatraman, K. A comparative assessment of flutter prediction techniques. The Aeronautical Journal. 124. 1282. 1945-1978. doi: doi:10.1017/aer.2020.84. 2020
  4. Mysa, Ravi Chaithanya and Venkatraman, Kartik. The fluttering flag: Reynolds number, mass ratio, and mode shape. Second International Symposium on Flutter and its Application. Virtual Event. 2020
  5. Joseph, Thomas K., Renji, K. and Venkatraman, Kartik. On the region for the application of passive damping treatment and loss factor enhancement. International Journal of Acoustics and Vibration. 24. 4. 693-700. doi: https://doi.org/10.20855/ijav.2019.24.41432. 2019
  6. Sudha, U P V, Deodhare, Girish S, and Venkatraman, Kartik. Frequency, damping, and flutter prediction from aircraft flight data using autoregressive model. Journal of Aircraft. 55. 6. 2179-2190. doi: https://doi.org/10.2514/1.C034585. 2018
  7. Mysa, Ravi C and Venkatraman, Kartik. Intertwined vorticity and elastodynamics in flapping wing propulsion.. Journal of Fluid Mechanics. 2016. 787. 175-223. https://doi.org/10.1017/jfm.2015.659. 2017
  8. Karnick, Pradeepa T and Venkatraman, Kartik. Shock-boundary layer interaction and energetics in transonic flutter. Journal of Fluid Mechanics. 2017. 832. 212-240. https://doi.org/10.1017/jfm.2017.629. 2017
  9. Srivastava, Prashant Kumar, Venkatraman, Kartik. Molecular dynamic simulations of elastomer structure and its influence on anisotropic stress under time-varying strain. Molecular Physics. 112. 1. 49-59. . doi: https://doi.org/10.1080/00268976.2013.798693. 2014
  10. Srivastava, Prashant Kumar, Venkatraman, Kartik. Structure, molecular dynamics, and stress in a linear polymer. Mechanics of Materials. 2013. 61. 49-59. doi: https://doi.org/10.1016/j.mechmat.2013.02.007. 2013
  11. Mysa, R Chaithanya, Venkatraman, K. A fluttering flag and its vortex wake. In Proceedings of the 15th AeSI Annual CFD Symposium. AeSI CFD Division. Bangalore, India. . 2013
  12. Sudha U P V, Deodhare, Girish, Venkatraman, Kartik. Aircraft aeroelastic stability and response during wake penetration. 111-131. In Proceedings of the International Forum on Aeroelasticity and Structural Dynamics (IFASD) 2013. Bristol, UK. 2013
  13. Karnick, P T and Venkatraman, K. Shock-boundary layer interaction and transonic flutter. In 65th Annual Meeting of the APS Division of Fluid Dynamics [Internet]. American Physical Society. In 65th Annual Meeting of the APS Division of Fluid Dynamics [Internet]. American Physical Society; 2012.. http://meeting.aps.org/Meeting/DFD12/Event/179336. 2012
  14. Sudha, U P V, Venkatraman, Kartik and Deodhare, Girish. Autoregressive modeling, estimation of damping and forecasting using flight flutter test data. International Forum on Aeroelasticity and Structural Dynamics. Paris, France. 2011
  15. Kandagal, S B and Venkatraman, K. Flutter control using resistively shunted piezoceramics. The Aeronautical Journal of the Royal Aeronautical Society. 114. 1156. 387-390. doi: https://doi.org/10.1017/S0001924000003845. 2010
  16. Kandagal, S B, Venkatraman, Kartik. Form factors for vibration control of beams using resistively shunted piezoceramics. The Journal of Sound and Vibration. . 274. 3. 1123-1133. doi: https://doi.org/10.1016/j.jsv.2003.09.030. 2004
  17. Kandagal SB, Venkatraman K. Closed loop flutter control using strain actuation. The Aeronautical Journal of the Royal Aeronautical Society. 2004;108(1083). 2004

Current students

  1. Magan Singh; PhD.
  2. Pustam Raut; MTech(R)
  3. Harshith Kumar; PhD
  4. Jyoti Ranjan Majhi; PhD

Past students

  • PhD. 2015. U P V Sudha: Flutter identification and aeroelastic stability during wake penetration. Presently Scientist/Engineer ‘E’ with the Aeronautical Development Agency (ADA)
  • PhD. 2014. Tumkur Karnik Pradeepa: Shocks, Shock-boundary layer interaction, and transonic flutter. Presently a Research Fellow with City University London.
  • PhD. 2013. Ravi Chaithanya Mysa: Fluid-elastic interactions in flutter and flapping wing propulsion. Presently with ASTAR Singapore https://www.a-star.edu.sg/ihpc/People/DeptID/23/Fluid-Structure-Interaction.aspx
  • PhD. 2013. Prashant Kumar Srivastava: Molecular simulation of stress and structure in polymers. Presently with COMSOL India as a numerical algorithms developer.
  • PhD. 2004. Sunetra Sarkar: Incompressible viscous flow past an oscillating airfoil. Presently Associate Professor, Aerospace Engineering, IIT Madras.
  • PhD. 2004. Siddanagouda B Kandagal: Piezo actuated vibration and flutter control. Presently Principal Research Scientist, Aerospace Engineering, IISc.
  • MSc (Engg). 2009. Subrahmanya Prasad Narla: Vibration and impact induced sound. Presently a PhD student in Mech Engg@IISc.
  • MSc (Engg). 2009. Thomas K. Joseph: Dynamic response of a satellite with flexible appendages and its passive control. Presently with ISAC/ISRO Bangalore.
  • MSc (Engg). 2002. Yogesh S Parte: Reduced order modeling of unsteady flow past and oscillating airfoil. Presently heads Y P Consulting Services India https://sites.google.com/site/yogeshparte/resume
  • MSc (Engg). 2000. A Srikantha Phani: Dynamic behavior of an electro-rheological fluid sandwich beam. Presently Associate Professor, Mechanical Engineering, University of British Columbia, Vancouver, Canada http://www.sites.mech.ubc.ca/~phani/.
  • MSc (Engg). 1999. Sunetra Sarkar: Dynamics of flexible structures with nonlinear joints. Presently Associate Professor, Aerospace Engineering, IIT Madras.
  • ME. 2015. Sabari Girish Sudarsanan: Transonic unsteady aerodynamics and flutter of wings. Presently Scientist/Engineer ‘C’ in the CFD Division, Aeronautical Development Agency (ADA).
  • ME. 2011. Praveen Kumar Nigam: Structure and stress in a dielectric polymer. Presently with Mahindra Research Park, Chennai.
  • ME. 2010. Girish Babu P: Hypersonic bending-torsion flutter. Presently with VSSC/ISRO.
  • ME. 2010. Subhandu Rawat: Aeroelastic response of flat plate with nonlinear spring. Completed his PhD (IMFT, Toulouse, France) and now working with Mercedes Benz Research Center Bengaluru.
  • ME. 2000. Rajeev Kumar: Study of Wortmann FX63-137 airfoil at low Reynolds numbers. Presently somewhere in the United States of America.
  • ME. 2000. Sqn Ldr D Ramesh Kumar: Study of oscillating airfoils. Presently Deputy General Manager Hindustan Aeronautics Limited (HAL), Bengaluru.
  • ME. 2000. Leelavathy M F Harris: Effect of structural nonlinearities on bending-torsion flutter.

Adithya Mayya; Research Assistant.