한국정밀공학회지 (Journal of the Korean Society for Precision Engineering)
- 제14권9호
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- Pages.101-107
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- 1997
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- 1225-9071(pISSN)
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- 2287-8769(eISSN)
차체판넬 스템핑공정의 단면해석과 3차원 형상합성
The sectional analysis of auto-body panel stamping process and three-dimensional shape composition
초록
A sectional analysis of auto-body panel stamping is carried out by using the rigid-plastic FEM based on the membrane theory. The auto-body panel material is assumed to possess normal anisotropy and to obey Hill's new yield criterion and its associated flow rule. A method of contact treatment is proposed in which the skew boundary condition for arbitarily shaped tools is successively used during iteration. Deformation of each section of trunk-lid panel is simulated and composed to get the three-dimensional shape by using CAD technique. It was shown that the composition of the two-dimensional section analysis gives almost the same results as the full three-dimensional analysis.
키워드