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Development of a Benchmark Problem Set for Assessing Out-of-Position Simulation Capabilities
Technical Paper
2004-01-1628
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The demand for Out-Of-Position (OOP) simulation capabilities in safety/crash software increased after the National Highway Transportation Safety Administration (NHTSA) final ruling on FMVSS 208 in 2000. However, the development of this capability involves many technical challenges. To expedite the development and manage the technical difficulties, five benchmark problems were established in this study. Each of them addresses specific technical difficulties of airbag OOP simulations. One benchmark problem has an analytical solution; one has a well-known numerical solution and others have the test results. The benchmark set was designed starting from simple Computational Fluid Dynamics (CFD) problems to the complicated OOP applications such that the bugs and algorithmic errors of the code can be easily identified. This paper summarizes the solutions, test results, and associated technical issues of the benchmark problems. The evaluations for three gas models of Arbitrary Lagrangian-Eulerian (ALE) in LS-DYNA are discussed. The simulation results of the benchmark problems are presented.
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Citation
Lian, W., "Development of a Benchmark Problem Set for Assessing Out-of-Position Simulation Capabilities," SAE Technical Paper 2004-01-1628, 2004, https://doi.org/10.4271/2004-01-1628.Also In
CAE Methods for Vehicle Crashworthiness and Occupant Safety, and Safety-Critical Systems
Number: SP-1870; Published: 2004-03-08
Number: SP-1870; Published: 2004-03-08
References
- Nefske D. J. “A Basic Airbag Model,” SAE paper No. 720426 2 nd International Conference on Passive Restraints May 1972
- Wang J.T. Nefske D.J. “A New CAL3D Airbag Inflation Model,” SAE paper No. 880654 International Congress and Exposition Detroit, MI March 4 1988
- Lian Wenyu Narwani Gopal “Effect of Gas thermodynamics on the Aggressiveness of Airbag inflator,” SAE Paper No. 982323 International Body Engineering Conference & Exposition Detroit, Michigan 1998
- ESI “Solver Notes Manual of PAM-CRASH, PAM-SAFE-version 2000.”
- LSTC “LS-DYNA Theoretical Manual -v 960,” 1998
- TNO “MADYMO Reference Manual-v6.0,” 2001
- Rieger D. “A Benchmark study of the gas flow module,” proceedings of the 9 th International MADYMO user conference Como, Italy Oct. 11-12 2002
- Fokin Dmitri Lokhande Nitin Fredriksson Lars “On Airbag Simulation in LS-DYNA with the use of the Arbitrary Lagrangian-Eulerian Method,” 4 th European LS-DYNA Users Conference. Paper No. C-III-11 Occupant III/Airbag Ulm, Germany May 23-25 2003
- Oloversson Lars “MAT_GAS_MIXTURE, a new gas mixture model for airbag applications,” 4 th European LS-DYNA Users Conference. Paper No. C-III-23 Occupant III/Airbag Ulm, Germany May 23-25 2003
- James John E. A. “Gas Dynamics” second Allyn and Bacon, Inc. 1984
- Anderson, John D. Jr. “Modern Compressible Flow with history perspective” second McGraw-Hill Publishing 1990
- Emery A. E. Journal of Computational Physics 2 1968 306
- Woodward Paul Colella Phillip “The Numerical Simulations of two-Dimensional Fluid Flow with Strong Shocks,” Journal of Computational Physics 54 1984 115 173