• Title/Summary/Keyword: explicit finite element method (FEM/E)

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Incremental Sheet Forming of Complex Geometry Shape and Its Optimization Using FEM Analysis (복잡한 형상제품의 인크리멘탈 성형과 FEM을 이용한 공정 최적화)

  • Nguyen, D.T.;Park, J.G.;Lee, H.J.;Kim, Y.S.
    • Proceedings of the Korean Society for Technology of Plasticity Conference
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    • 2009.05a
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    • pp.207-212
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    • 2009

  • In order to optimize the press formability of incremental sheet forming for complex shape (e.g human face), a combination of both CAM and FEM simulation, is implemented and evaluated from the histories of stress and strain value by means of finite element analysis. Here, the results, using ABAQUS/Explicit finite element code, are compared with fracture limit curve (FLC) in order to predict and optimize the press formability by changing parameters of tool radius and tool down-step according to the orthogonal array of Taguchi's method. Firstly, The CAM simulation is used to create cutter location data (CL data). This data are then calculated, modified and exported to the input file format required by ABAQUS through using MATLAB programming. The FEM results are implemented for negative incremental sheet forming and then investigate by experiment.

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