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Interests:Automotive Product Development using Non-Linear Mechanics and NVH tools such as ABAQUS, NASTRAN/Optistruct, also several 1D Simulation toolsSummary:Many years of experience with full vehicle / component CAE of several vehicle lines for NVH, Durability and optimization. ( GM, Ford, Tesla motors & Honda R &D)Proficient with NASTRAN/Optistruct, ABAQUS (implicit & explicit) and test correlation.Several years of experience in CAE software development in acoustic and durability analysis using Boundary Element Method.Thermal Model for BEV heat mitigation and ATF temperature prediction.Experience:Sept 2013  April 2024: (Altair PD) Honda R&D North America, Raymond OH.Responsible for providing CAE direction for several projects, relating to new powertrain design and development. Specifically 10AT Mcase/TCCase, hypoid gear assembly and design, gear tooth stress analysis, Clutch Judder analysis with explicit FEA. Primarily Abaqus/AFC and Hypermesh.Mitigate NVH issues on different vehicle models, primary due to new 10AT. Full Vehicle NVH and high frequency noise source identification and provide the fix.NVH analysis for Prop shaft related issues, using Adams/Nastran  problem resolution.Thermal simulation to predict ATF Temperature for 10AT. Thermal modeling and troubleshooting for BEV thermal model for Cabin cooling system.Impact torque analysis for Drive shaft Breakage, & torque spike prediction, using Simx.Spent 2 month running Star-CCM for radiator expansion tank fluid simulation and visualizing flow field.April 2012  April 2013: CAE Analyst (Altair Engineering), GM Tech Center, Warren, MITopology Optimization - helped the development of three different vehicle architectures to meet higher stiffness at lower mass using full vehicle model, static & dynamic analysis and Optimization tool.March 2011  Jan 2012: CAE Analyst (EASI Eng.), Body Durability, GM Tech Center, Warren, MI.Gage reduction on 37xx deck lid & hinge bracket using Optistruct / Nastran / Abaqus. Trim body normal modes for design updates. Optimization and design improvement at component levelOn Corvette (2016)Redesign the GMT610 Mirror brackets and door reinforcements for mounting stiffness improvement using static, fatigue and dynamic stiffness analysis.April 08- March 11: Consultant Fee-for-service, Troy, MIMaterial cost reduction using non-linear mechanics (LS-Dyna) and NVH (NASTRAN/ANSA) for school bus models.Non-linear Impact of Door drop-off and fork lifting at assembly lines with LS_Dyna.Dec 07  March 08: Analysis Engineer (ETA), Tesla Motors, Rochester Hills, MI.NVH & Durability analysis, Tesla Motors Roadster Electric Car including full vehicle model development. Redesigns for electric motor housing, new battery case on floor and other electric car specific components.Sept 05  Nov 07: Ford Motors (ETA), Dearborn, Analysis Engineer.Helped to design the state of the art light weight truck for fuel efficiency. Help improve the design of global rear wheel drive vehicle using non linear Mechanics (ABAQUS), Structural Vibration (NASTRAN) and Fatigue analysis (V-Endure).Design F-family seats to meet FMVSS safety criteria (rear impact) using Non-linear Mechanics (ABAQUS & LS-Dyna), with testing and validation.Performed material cost reduction using CAE tools (ABAQUS, Hypermesh/SOFY and NASTRAN). Primary focus has been to OPTIMIZE (NASTRAN) the stiffness & mass distribution while increasing the modal frequencies of the vehicle resulting in substantial savings in material cost. Other areas of cost reduction include subsystems such as seats and closures.Jan 02  Sept 05: Analysis Consultant, Fee-for-Service, NOVI, MI.Modeling (ANSA) and durability analysis (ABAQUS) of Power-train Component (transmission cover). Used COMET/Acoustics for noise analysis of transmission and electrical components.Full vehicle NVH, fix noise related problem in production vehicle, and other component durability/NVH related problems were fixed.July 97-Jan 02: Analysis Engineer at GM Tech Center, Warren.Responsible for Vehicle system NVH of GMX367, GMT960 & GMT250. Helped with full vehicle NVH, BIW redesign, gage impact study, rough road simulation and component redesigns.March 95 - May 97: Analysis engineer at PDC, Ford Motor Company, Dearborn.NVH analysis (NASTRAN) of UW137 Body and full Vehicle dynamic simulation. Helped with NOISE PATH analysis, acoustic sensitivity, transfer functions and LP6 simulation., Analysis & design of deck lid and doors91 Nov - 95 Jan: Software Engineer Automated Analysis Corporation, Ann Arbor, MI.Principle developer of BEA based Structural & Noise Analysis software. The software was especially suited for the applications where conventional FEA becomes a modeling challenge. Extensively used FORTRAN, and C++ on UNIX platform.Several applications involving engine blocks, transmission covers, piston rods, drive shaft, steering knuckles are used for validation.89 Nov - 91 Sep: Post-Doctoral Fellow, Southwest Research Institute, San Antonio, TX.Developed Boundary Element Algorithm for near singular integration on Coarse grained and highly parallel computers.Probabilistic FEA (NASTRAN) & reliability analysis of space shuttle components using Fast probability integration software. Fracture toughness for LNG Tank, sliding contact analysis are some of the other works.Education:1986-89 Ph.D. (Mechanical Engineering), Worcester Polytechnic Institute, Worcester, MAThesis: Shape design sensitivity analysis using BEA for thermal and structural systems.1984-86 M.S. (Structural Engineering), Indian Institute of Science, Bangalore, India.1978-83 B.S. Civil Engineering, University of Mysore, Mysore, India.Computers & Software:ABAQUS, NASTRAN/Optistruct, ADAMS, HYPERMESH, CATIA,, Several 1D Simulation tools like GT Suite, Amesim, Matlab and Simx, Exposure to Star-CCM+. Well versed in Windows, UNIX, parallel computing, FORTRAN & C++.Publication:Dynamic Stability of curved pipes Conveying Fluid, ASCE Journal of Engineering Mechanics, Vol. 116, No.1 pp. 77-90, Jan 1990.Adjoint Structure Approach for Shape sensitivity Analysis, Applied Mechanics review, Vol. 44, No. 5, May 19991.Adjoint Structure Approach for Shape Sensitivity Analysis using BEM, ASCE Journal of Engineering Mechanics, Vol. 116, No. 12, Dec 1990.Conforming Boundary Elements in Plane Elasticity for Shape Design Sensitivity Analysis, International Journal for numerical Methods in Engineering, Vol. 28, pp. 2795-2811, Dec 1989.Semi-Analytical Sensitivity Analysis Formulation in Boundary Elements, AIAA Journal, Vol. 27, No.11, pp.181-183, Jan 1991.Non-Singular Boundary Integral Equation Implementation, International Journal for Numerical Method in Engineering, Vol. 36, 237-254, 1993Symmetric Axes Node Reflection for Improved Design Sensitivity Analysis of Symmetric Bodies in Boundary Elements, AIAA Journal, Vol. 27, No. 1, 1991Three Dimensional Boundary Element Implicit-Differentiation Formulation for Design Sensitivity Analysis, Mathl Comput. Modeling, Vol. 28, 1991.