Engineer Engineering

Heetaek Lim

*** ********* ***

Hudson, OH *****

330-***-**** (Mobile)

********@*****.***

COMPUTER SKILLS

Experience using LS-DYNA, ABAQUS, NASTRAN, Sandia Tools for FEA work

Familiar with multibody dynamics tools such as ADAMS

Programming in C/C++ (with STL), Fortran77/90, VB, and MATLAB

GUI development with Visual Basic and wxWidgets

Proficient with both Windows (MS Office) and Linux

PROFESSIONAL EXPERIENCE

MSC Software, Ann Arbor, Michigan

Development Engineer (Aug. 2011 – Present)

- Integrate nonlinear FE (NASTRAN) into multibody dynamics (ADAMS)

- Implement advanced friction models in ADAMS

The Goodyear Tire & Rubber Company, Akron, Ohio

Senior Development Engineer (May. 2005 – Aug. 2011)

- Tire vehicle interaction – braking distance simulation

- Tire performance FE analysis: treaded tire rolling over cleat (ride comfort), standing wave prediction (explicit dynamics)

- Develop massively parallel nonlinear finite element code jointly with Sandia National Lab: quasi-static & transient dyanmics

- Integrate nonlinear FEA tire into multibody vehicle system

- Develop fiber reinforced polymer numerical model

Hawthorne & York International, Ltd., Phoenix, Arizona

Lead FE Engineer (Oct. 2002 – May 2005)

- Use LS-Dyna for ballistic penetration simulation

- Develop multi-platform explicit dynamics solver with C++

Liftech Consultants Inc., Oakland, California

Part-time Programmer (Feb. 1997 – May 2002)

- Develop structural analysis program

- Convert legacy out-of-core solver (SAP4) into modern in-core solver

- Develop GUI/visualization CAE environment

Ssangyong Engineering & Construction Co., Seoul, Korea

Structural Engineer (Mar. 1993 – Jan. 1996)

- Design large structures such as bridges and buildings

Samsung Engineering Co., Seoul Korea

CAE Engineer (Feb. 1990 – Mar. 1993)

- finite element analysis of various engineering problems

EDUCATION

Ph.D., Civil Engineering, 2001, University of California at Berkeley, California, USA, Minor: Mechanical Engineering, Mathematics

M.S., Civil Engineering, 1990, Korea Advanced Institute of Science and Technology (KAIST), Korea, 1990

B.S., Civil Engineering, 1987, Seoul National University, Korea

DISSERTATION

Title: A Finite Element Approach to the Dynamic Simulation of Multibody Systems

Committee: Robert L. Taylor (Chair), James Demmel, Gregory Fenves

RESEARCH INTERESTS

Nonlinear Finite Element Analysis

Explicit Transient Dynamics – Crash Analysis

Multibody Dynamics & Kinematics

Tire Mechanics & Vehicle Dynamics

Solid & Continuum Mechanics

Numerical Linear Algebra & High Performance Computing

PUBLICATIONS

H. Lim and R.L. Taylor, An Explicit-Implicit Method for Flexible-Rigid Multibody Systems, Finite Elements in Analysis and Design, Vol. 37-11, Vol. 37-11, October 2001, pp. 881-900.

A.Ibrahimbegovic, R.L. Taylor, and H. Lim, Non-linear Dynamics of Flexible Multibody Systems, Computer & Structures, Vol. 81-12, May 2003, pp. 1113-1132.

R.L. Taylor and H. Lim, Explicit-Implicit Method for Multibody Systems, V Congreso de Metodos Mumericos en Ingenieria, Madrid, June 2002.

R.L. Taylor and H. Lim, Analysis of Rigid, Pseudo-Rigid and Flexible Systems, EUROMECH, Computational Techniques and Applications in Nonlinear Dynamics of Structures and Multibody Systems, September 2001.

D. Lau, S. Yu, H. Lim, A. Damle, A. Vaidya, J. St. Ville, A. D. Belegundu and S.D. Rajan, Challenges in the Development of Distributed Processing Design Optimization Software System, OPTECH04, Breckenridge, CO, May 2004.

H. Lim and S.D. Wee, Stability Analysis of Parallel Tunnels Using 3D-FEM, KSCE, Vol. 16-3, May 1996, pp. 275-286.

S.D. Rajan and H. Lim, On the Properties and Characteristics of Solid Mechanics Inverse Analysis & Design Problems, Submitted to Engineering Optimization.

AWARDS AND HONORS

Finalist in the 12th Melosh medal competition for the best student paper on Finite Element Analysis (2000).

Marquis Who’s who in America 2003.

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