강소성 외연적 유한요소법을 이용한 자동차 박판제품의 성형공정에 대한 단면해석Sectional Forming Analysis of Automobile Sheet Metal Parts by using Rigid-Plastic Explicit Finite Element Method

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The explicit scheme for finite element analysis of sheet metal forming problems has been widely used for providing practical solutions since it improves the convergency problem, memory size and computational time especially for the case of complicated geometry and large element number. The explicit schemes in general use are based on the elastic-plastic modelling of material requiring large computation time. In the present work, rigid-plastic explicit finite element method is introduced for analysis of sheet metal forming processes in which plane strain normal anisotropy condition can be assumed by dividing the whole piece into sections. The explicit scheme is in good agreement with the implicit scheme for numerical analysis and experimental results of auto-body panels. The proposed rigid-plastic explicit finite element method can be used as robust and efficient computational method for prediction of defects and forming severity.
Publisher
한국자동차공학회
Issue Date
1995-05
Language
Korean
Citation

한국자동차공학회논문집, v.3, no.3, pp.19 - 28

ISSN
1225-6382
URI
http://hdl.handle.net/10203/76373
Appears in Collection
ME-Journal Papers(저널논문)
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