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Application of the Finite Element Method for Improvement of Vehicle Crashworthiness
Technical Paper
912582
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Sector:
Event:
Language:
English
Abstract
An analytic method is attempted to optimize the body structure of a passenger car by the quantitative prediction of crashworthiness from the early stage of vehicle development. PAM-CRASH, one of explicit nonlinear finite element programs on market, is used as a tool for crash simulation in the present work and a finite element full-car model for frontal crash analysis is developed with reference to an established car. The reliability of the present simulation method and the pertinence of the developed finite element model are examined carefully by comparing the numerical simulation results of various kinds with the corresponding test results. With the finite element model validated with test results, attempts have been made to improve the crashworthiness by modifying the body structure.
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Authors
Citation
Park, K., Shin, S., Cho, H., and Jinn, J., "Application of the Finite Element Method for Improvement of Vehicle Crashworthiness," SAE Technical Paper 912582, 1991.Also In
References
- Ni C.M. “A General Purpose Analytical Technique for Nonlinear Dynamic Response of Integrated Structures” SAE Paper No. 811304 1981
- Hallquist J.O. Benson D.J. “Dyna3D-An Explicit Finite Element Program for Impact Calulations” Crashworthiness and Occupant Protection Simulation in Transportation Systems , ASME AMD 106 1 9 1989
- Hallquist J.O. Theoretical Manual for DYNA3D 1983
- PAM-CRASH Theory and User Manuals , France 1988
- PREPAM User's Manual Hyundai Motor Company Korea 1990