Patnala, Manoj Kumar
1551,E.Lincoln Ave
Madison Heights, MI, 48071
(313) 445-2169(O) (313) 833-0523 (H)
Highlights
· Experience in solvers used by the OEMS (PAM-CRASH, LS-DYNA, ABAQUS, MADYMO)
- Have provided technical support and training to GM, CHRYSLAR, LEAR, DOW
- Vehicle crash performance study using physical testing and CAE simulation
- Guiding Product development to meet FMVSS regulations (FMVSS 201, 208, 214)
- Understanding principles of uncertainty and using statistical techniques for CAE and physical test correlation and robustness evaluation
- Innovative countermeasure design for reducing injury numbers and meeting vehicle compliance
- Human body modeling
- Eagerness to learn new concepts, flexible, good interpersonal skills, team player and ability to meet deadlines
CAD/CAE /Computers
Solvers: LS-DYNA PAM-CRASH, MADYMO & ABAQUS (Implicit & Explicit)
Preprocessors: HYPERMESH, EASi-CRASH DYNA, PAMGENERIS & EASi-CRASH MADYMO
Postprocessors: EASi-CRASH DYNA, HYPERGRAPH, PAM-VIEW, LS-POST& MOTION VIEW
O.S: Windows 3.1 2000, ME, NT, XP, UNIX SGI, HP & SOLARIS
CAD: UNIGRAPHICS
Applications: MS Office, Lotus Notes
Stochastic: ST-ORM
Professional Experience
EASi Engineering intern (Corporate Headquarters Madison heights, MI, U.S.A)
Advanced Training Feb 03 - Sep 03
· Currently imparting advanced training to Wayne State University Masters students. The 8 week workshop is aimed at training students on EASi-CRASH DYNA and EASi-CRASH-MAD, so that the future crash engineers can use this effective tool to save time and improve their efficiency of work. The graduate students are given detailed knowledge about the crash standards and the knowledge as to how it should be implemented using EASiCRASH softwares. Feed back from the students is taken every week that helps in enhancing the software. The availability of software is made to the students so that students have a choice to use the right tool for the right purpose.
· Conducted training to General Motors employees on Meshless spot welding. The aim of the training was to tutor employees of GM on Meshless spot welding and to clear all the doubts that arise related to meshless spot welding. Meshless spot welding is a hot tool right now as GM is trying to convert all its welds to Meshless spot welding.
Technical Support & Customer Relations
· Helping G.M employees on various tools of EASi-CRASHDYNA and clearing all the doubts and issues that arise with respect to EASi-CRASH-DYNA and LS-DYNA.
· Debugging of LS-DYNA input deck created by EASi-CRASH DYNA for LEAR.
· Provided technical support to DOW on LS-DYNA and MADYMO coupling analysis and also helped in debugging the coupled input deck.
· Maintaining and improving the customer relationship with GENERAL MOTORS, DAIMLER CHRYSLAR, LEAR and DOW by providing them technical support on EASI-CRASH DYNA, EASi-CRASH-MAD, LS-DYNA and MADYMO and making sure that all of their technical doubts are cleared and thus enhancing the chances of increase in the number of licenses and building customers faith on the company.
Crashworthiness Feb 03 Apr 03
· FMVSS 201:Head impact analysis for a Daimler Chrysler JR41 using LS-DYNA and counter measures to reduce the injury numbers.
· FMVSS 214, Side Impact analysis on 1996 Ford Taurus. The various injury numbers on the dummy were computed and the countermeasures were improved to reduce the injury numbers.
· Concept model development: Converted detailed LS-DYNA model of front structure to simplified MADYMO model.
· MADYMO coupled LS-DYNA analysis of an instrument panel for FMVSS201.
NVH Apr 03 - May 03
· Grab handle pull test: Static analysis to see if grab handle meets the due cares requirements.
· Conversion of ABAQUS deck to NASTRAN deck of a car window assembly.
Robustness evaluation and stochastic improvement of multiple targets Aug 03 - Sep 03
· Objective was to improve occupant response on various occupant sizes (5th, 50th, 95th).
· Adjusting airbag and seat belt parameters to meet the objective by stochastic neighborhood search.
· Assessing the system robustness of improved configuration.
Benchmarking & software development Feb 03 - Sep 03
· Benchmarking of EASi-CRASH DYNA.
· Created a new module for Lear Corporation in EASi-CRASH DYNA to make report generation of a finite element model very fast
Wayne State University, Human Modeling Lab (Dr. King Hay Yang), Researcher.
Crashworthiness and Occupant Safety Dec 01 - Aug 02
· Conducted a parametric study on Wayne State Brain model (Currently used by U.S.A defense) using PAM-CRASH, to study and understand the phenomena of injuries to the brain under different conditions.
· The crushing phenomena of the bumper and midrails of Ford Taurus were studied using PAM-CRASH for better understanding.
· Validation of the Wayne State University Hybrid III neck model using LS-DYNA with the results obtained by physical testing.
· Simulated the physical pendulum tests using LS-DYNA, done by Biokinetics and Associates and used those results to validate the neck model.
· FMVSS214, Using LS-DYNA simulated side impact analysis of 1996 Ford Taurus using a Side impact dummy and applying counter measures to reduce the injury numbers and redesigning the dummy model and the car model to make it robust
· MADYMO analysis on an unbelted Hybrid III dummy to find out the lumbar spine response to validate the results obtained in physical testing and to infer the reasons that led to the failure of the experiments
· MADYMO analysis to find the loads on the knee due to the knee bolster in a frontal impact, the results obtained were used to validate the test done by Richard Cheng (Wayne State Univ, 1984)
· MADYMO analysis of Hybrid III dummy to study the phenomena of whiplash injuries, this analysis was based on Response of Belted Dummy and Cadaver to rear impact (STAPP car conference). The results were used to validate the test data.
Lab-Physical Testing Oct 01 - Dec 01
· Testing to find out the lumbar spine loads during whiplash using a Hyge sled, the results were obtained for both cadavers and Hybrid III dummy.
Use of statistics to select foam for impact testing Jan 01 - Aug 01
· Using statistics to determine the right kind of foam to be used in the design of Hybrid III dummy for impact testing to simulate real world conditions.
Human body modeling Dec 01 - Aug 02
· Modeling of the Wayne State University brain model.
· Meshing of the human body model and validating the results based on the physical test data obtained.
Meshing 2d and 3d Dec 01 - Aug 01
· 2d and 3d meshing of the HYBRID III dummy, head, neck.
· 3d meshing of connecting rod.
· 2d meshing of seat pan.
· 3d meshing of HYBRIDIII dummy.
Instructional Assistant, Unix Lab (Dr.T.Singh), Wayne State University Aug 02- Feb 03
- Tutoring and helping students on HYPERMESH, NASTRAN, LS-DYNA, MADYMO, ABAQUS.
- Finding the fatigue life of a flip chip using ABAQUS implicit.
- Simulation of laser spot-welding using ABAQUS implicit.
Education & Relevant Courses
- M.S: Mechanical Engineering, Wayne State University, Detroit, (G.P.A=3.55)
FEM 1,FEM2, Crashworthiness and occupant safety, Impact biomechanics, MADYMO, Advanced manufacturing techniques.
- B.S: Mechanical Engineering, Regional Engineering College, Kurukshetra (G.P.A=3.93)
Statistical process control, Operational research, Dynamics Of machines, Kinematics of machines,
Engineering design, Strength of materials.
Papers Published
· Paper on Accelerated CAE using EASi CRASH products and ABAQUS (FMVSS 201, head impact for a latest GM car using LS-DYNA 3D and ABAQUS explicit presented in ABAQUS users conference MUNICH, GERMANY)
· Paper on ST-ORM and MADYMO for the MADYMO users conference in Detroit 2003(Frontal bumper Impact using LS-DYNA and Conversion of a Finite element LS-DYNA 3D model to a MADYMO model.
Achievements
· Graduate scholarship ($12000, Wayne State University)
· Merit scholarship (Regional Engineering College, Kurukshetra)
· President of MechSoc (Society for mechanical engineers) (R.E.C, Kurukshetra)
References will be provided upon request
