반응표면법을 이요한 차체 부재의 충돌 성능 향상을 위한 설계 최적화Design Optimization of Auto-body Members for Crashworthiness Enhancement with the Response Surface Method

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Recently, the car industry is confront with various demands such as light weight and safety for a crash accident. But to achieve a light weight and safe car, design optimization is indispensable due to the many constraints in the auto-body. The response surface method is the statistical method which can be applied to the non-sensitivity base optimization. In this paper, this scheme is utilized to improve the crash performance of the front side member in auto-body with the response surface method and the commercial finite element program, LS-DYNA 3D. Total 27 design points are selected to construct the response surface. With these design points, the response surface about the absorbed energy and the mass are constructed and then are utilized to optimize the crash performance of the front side member. The crash performance and the deformation patterns are evaluated to confirm the crashworthness enhancement.
Publisher
한국자동차공학회
Issue Date
2004
Keywords

Response surface method; Least square method; Crashworthness; Front side member

Citation

한국자동차공학회 2004년도 춘계학술대회논문집

URI
http://hdl.handle.net/10203/15448
Link
http://www.ksae.org/
Appears in Collection
ME-Conference Papers(학술회의논문)

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