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Explicit F.E. formulation with modified linear tetrahedral elements applied to high speed forming processes

Abstract : We will adapt a recent explicit FE formulation with modified linear tetrahedral elements for high speed metal forming simulation. This formulation both enables the use of efficient adaptive non structured meshers, and tackles the locking effect in quasi-incompressible cases. We implement this formulation for the infinitesimal elastic plastic case. The anti-locking modification effect will be underlined on two 3D bench marks: an elastic compression test and an elastic-plastic bar impact test.
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Submitted on : Wednesday, August 18, 2010 - 11:28:10 AM
Last modification on : Thursday, September 24, 2020 - 5:22:54 PM
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Pascal de Micheli, Katia Mocellin. Explicit F.E. formulation with modified linear tetrahedral elements applied to high speed forming processes. 11th ESAFORM Conference on Material Forming, Apr 2008, Lyon, France. pp.Pages 1411-1414, ⟨10.1007/s12289-008-0100-6⟩. ⟨hal-00510347⟩

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