MAHESH RAVISHANKAR

This is the homepage of Mahesh Ravishankar Personal Information Designation PhD Student Department Computer Science and Engineering Department University The Ohio State University Address W574, Dreese Laboratory, 2015 Neil Avenue, Columbus, Ohio 43210 Email ravishan@cse.ohio-state.edu Educational Background PhD: Department of Computer Science and Engineering, The Ohio State University June 2009 - present Masters (M.S): Department of Mechanical Engineering , The Ohio State Univeristy September 2007 - June 2009 UnderGraduate (B.Tech) : Mechanical Engineering, Indian Institute of Technology, Madras August 2003 - June 2007

Publications

1. "Optimal Loop Unrolling for GPGPU Programs." Giridhar Srinivas Murthy, Mahesh Ravishankar, Muthu Manikandan Baskaran, P.Sadayappan. International Parallel & Distributed Processing Symposium (IPDPS), 2010
2. "Application of Modified Differential Approximation for Radiative Transfer to Arbitrary Geometry." Mahesh Ravishankar, Sandip Mazumder and Maathangi Sankar, Journal of Quantitative Spectroscopy and Radiative Transfer .
3. "Finite Volume Formulation and Solution of P3 Equations of Radiative Transfer on Unstructured Meshes." Mahesh Ravishankar, Sandip Mazumder and Ankan Kumar, Journal of Heat Transfer, Feb 2010, Vol 132
4. "Finite Volume Formulation of P3 equations of Radiative Transfer and coupling to reactive flow calculations." Mahesh Ravishankar, Sandip Mazumder and Ankan Kumar, Proceedings of the ASME Summer Heat Transfer Conference, July 19-23, 2009, San Francisco, CA, Paper Number - HT2009-88014.
5. "Application of the Modifed Differential Approximation(MDA) for Radiative Transport to arbitrary Three-Dimensional Geometry", Mahesh Ravishankar and Sandip Mazumder, Proceedings of the IMECE2009, November 13-19, 2009, Lake Buena Vista, FL, Paper Number - ICEME2009-12844.
6. "Simulation of Flow Field Manifold for PEM Fuel Cells", IEEE Conference on Electric and Hybrid Vehicles , Pune, December, 2006.

Research/Work Experience

1. Pacific Northwest National Laboratory, Richland , WA. ( July 2009 - September 2009 ):

   • Performance Evaluation of Scientific Computing code, specifically, NWChem; to catch bottle-necks in performance.
   • Development of low-overhead performance diagnostic tools for pre-compiled binaries, allowing the user to focus on different parts of the program without having to recompile the original source code.

2. Computational Heat Transfer and Fluid Dynamics Laboratory, Mechanical Engineering, Ohio State University, Columbus, OH. ( January 2008 - May 2009 )

   • Finite-Volume Formulation and Solution of the P3 Equations of Radiative Transfer on Unstructured Meshes
   • Using Modified Differential Approximation to model the Radiative Transfer Process in 2D and 3D

3. Daimler Chrysler Research and Technology, Bangalore, India

   Analysis of factors affecting the uniform distribution of fuel amongst the stacks of a fuel cell

   • A MATLAB module was developed to duplicate the results achieved by Kee et. al.
   • The model was improved to account for change in mass-flow rate of species due to absorption of fuel and emission of products, by incorporating a model developed by Baschuk et.al

4. Thermodynamics and Combustion Laboratory, IIT Madras, Chennai. India. ( January 2007 - May 2007 ):

   Simulating the effect of cavity on Flame stability for Sub-sonic Combustion. The effect of having a cavity just before the mouth of a simple combustion setup was simulated using FLUENT. Cavities have been explored as flame stablization appartus, especially for super-sonic combustion application like SCRAMJET. Here we explored the reasons why a flame is stabilized at sub-sonic speeds. It was found that the cavity has a recirculation zone which acts as a sort-off reservoir for the flame, increasing the speed at which blow-out occurs.

Miscellaneous

• Link to my Masters Thesis on Spherical Harmonics based techniques for Solution of the Radiative Transfer Equation.
• Here is a list of links to tutorials that I have used for different things like, C++, Java, Emacs, Makefile, Linux commands etc.