Joseph Mathew

Aerodynamics
Education
Ph.D. Mechanical Engg, Massachusetts Institute of Technology Cambridge USA 1990
M.S. Mechanical Engg, University of Missouri-Rolla, Rolla USA 1986
B.Tech. Mechanical Engg, Indian Institute of Technology Madras, 1984
Experience
- Research Associate, ICOMP at NASA Lewis Research Center, Cleveland, OH USA Sept 1990–Aug 1992
- Fellow, National Aerospace Laboratories, Bangalore Nov 1992–July 1992
- Assistant Professor, Department of Aerospace Engineering July 1992–
- Senior Research Associate, The National Academies, USA at Air Force Research Laboratory, WPAFB, OH, USA Sept 2004–Nov 2005
- Visiting Professor, Technische Universitaet Muenchen. Several times 2000-2006.
Research Interests
Fluid mechanics, Turbulence Turbulent flow computations, especially Large Eddy Simulation Aeroacoustics, Combustion, Flow design
Announcements
There are no internship openings for 1st/2nd year undergraduate students.
There are no openings for students enrolled elsewhere for undertaking thesis/project work in my lab. If your institution has an MOU with IISc a period of residence for joint supervision can be considered.
Research Statement
Nonlinear phenomena in fluid mechanics
Current research topics
- Understanding LES for applications such as aeroacoustics, combustion (non-premixed, sprays), compressor off-design conditions involving transition, separation. Compressible or variable density flows.
- CFD methods for LES of flow in complex geometry.
- Adjoint method computations.
- Transitions (laminar-turbulent, turbulent-turbulent).
- Mechanistic understanding of phenomena such as turbulent entrainment, features of the turbulent-nonturbulent interface.
Consulting Activities
- Advice on CFD for circuit breakers, BHEL
- RANS/LES studies of diffusers, Pratt & Whitney, UTC, USA
- Advice on CFD for Blast furnace operations, pneumatic conveying L&T
Current Projects
Structure of last stages of turbulent transition

Halo from azimuthal instability of vortex ring
-
Patel, S K and Mathew, J. Shock capturing in large eddy simulations by adaptive filtering. Fluids. 4. 3. doi: 10.3390/fluids4030132. 2019
-
Mathew, J.. Evolution of Local Structure of Turbulent Flow Along Pathlines. In Turbulent Cascades II.
-
Mathew, J., Chakravorty, S.. Large eddy simulation of nonpremixed flames. In Modeling and Simulation of Turbulent Combustion. doi: /10.1007/978-981-10-7410-3_14.
-
Venkatesh TN, Mathew J. A numerical study of the role of the vertical structure of vorticity during tropical cyclone genesis. Fluid Dyn. Res. 2010;42. . 2017
-
Manu KV, Mathew J, Dey J. Evolution of isolated streamwise vortices in the late stages of boundary layer transition. Exp. Fluids. 2010. 48. 2010
-
Mathew J, Mahle I, Friedrich R. Effects of compressibility and heat release on entrainment processes in mixing layers. J. Turbulence. 2008. 9(14). 2008
-
Sriram AT, Mathew J. Numerical simulation of transverse injection of circular jets into turbulent supersonic streams. AIAA J. Prop. & Power. 2008. 24(1). 2008
-
Schwertfirm F, Mathew J, Manhart M. Improving spatial resolution characteristics of finite difference and finite volume schemes by approximate deconvolution pre-processing. Computers & Fluids. 2008. 37. 2008
-
Sriram AT, Mathew J. Improved prediction of plane transverse jets in supersonic crossflows. AIAA J. 2006;44. 2006
-
Mathew J, venkatesh TN. Prediction of tropical cyclone genesis using a vortex merger index. Geophys. Res. Lett. 2004;31. 2004
-
Chakravorty S, Mathew J. A high-resolution scheme for low Mach number flows. International Journal for Numerical Methods in Fluid. 2004;. 2004
-
Mathew J, Lechner R, Foysi H, Sesterhenn J, Friedrich R. An explicit filtering method for large eddy simulation of compressible flows. Physics of Fluids. 2003;15:2279. 2003
-
Mathew J. Large eddy simulation of a premixed flame with approximate deconvolution modeling. Symposium (International) on Combustion. 2002;29:1995–2000. 2002
-
Mathew J, Basu AJ. Some characterisitics of entrainment at a cylindrical turbulence boundary. Physics of Fluids. 2002;14(7). 2002
-
Das A, Mathew J. Direct numerical simulation of turbulent spots. Computers & Fluids. 2001;30:533–541. 2001
-
Mathew J. Evaluation of strain-rate effects in transitional round jets using direct numerical simulation. Symposium (International) on Combustion. 27. 1207-1212. 1998
- T N Venkatesh, PhD 2003. A vortex merger theory for tropical cyclone genesis.
- A T Sriram, PhD 2003. Numerical simulations of transverse injection of plane and circular sonic jets into turbulent supersonic crossflows.
- Saugata Chakravorty, Phd 2010. On large eddy simulation of reacting flows using the explicit filtering method with a filtered mass density function.
- Manu K V, PhD 2013. Experiments on the late stages of boundary layer transition. Co-supervisor: Prof. J. Dey.
- Subramanian G, PhD 2014. Large eddy simulation of free and impinging subsonic jets and their sound fields.
- Sri Vallabha Deevi, PhD 2015. Large eddy simulation of multiphase flows.
- Sumit Kumar Patel, PhD 2019 Adaptive filtering for large eddy simulation of flows with shocks and its application to launch pad deflectors
- Pradeep M, PhD 2019 Bubble and conical forms of vortex breakdown in swirling jets
- S. Anjum Haider Rizvi, PhD student
- Taye Melaku Tadesse, PhD student
- M S R Chandra Murty, PhD student
- B V Subrahmanyam, PhD student
- Naveen B, PhD student
- Arup Das, MSc(Engg), 1998. A direct simulation study of turbulent spots in Couette flows with pressure gradients.
- Saugata Chakravorty, MSc(Engg), 2000. A numerical study on absolute instability of low density jets.
- M. Malik, MSc(Engg), 2002. On the mechanism of linear instability in boundary layer flows with pressure gradients. Co-supervisor: Prof. J. Dey.
- Shankar kumar B., MSc(Engg), 2008. A study of a vortex particle method for vortex breakdown phenomena.
- M. Pradeep, MSc(Engg), 2011. Experimental study of plasma actuator characteristics and optimization of configuration. Co-supervisors: Prof. Joy Thomas, Prof. Kartik Venkatraman.
- Manu S Kamin, MSc(Engg), 2017. A numerical study of changes to flow organization and their prognostic measures.
–