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A simple average nodal pressure tetrahedral element for incompressible and nearly incompressible dynamic explicit applications (1998)

Bonet, J. ; Burton, A. J.

Chichester : Wiley-Blackwell

Communications in Numerical Methods in Engineering 14 (1998), S. 437-449

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Details

ISSN: 1069-8299

Schlagwort(e): finite elements ; explicit dynamics ; near incompressible deformation ; large strains ; tetrahedron ; Engineering ; Numerical Methods and Modeling

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Mathematik , Technik allgemein

Notizen: This paper presents a simple linear tetrahedron element that can be used in explicit dynamics applications involving nearly incompressible materials or incompressible materials modelled using a penalty formulation. The element prevents volumetric locking by defining nodal volumes and evaluating average nodal pressures in terms of these volumes. Two well-known examples relating to the impact of elasto-plastic bars are used to demonstrate the ability of the element to model large isochoric strains without locking. © 1998 John Wiley & Sons, Ltd.

Zusätzliches Material: 7 Ill.

Materialart: Digitale Medien

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