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Titolo:
A MULTIPLE-QUADRATURE 8-NODE HEXAHEDRAL FINITE-ELEMENT FOR LARGE-DEFORMATION ELASTOPLASTIC ANALYSIS
Autore:
LIU WK; GUO Y; TANG S; BELYTSCHKO T;
Indirizzi:
NORTHWESTERN UNIV,DEPT MECH ENGN,2145 SHERIDAN RD EVANSTON IL 60208
Titolo Testata:
Computer methods in applied mechanics and engineering
fascicolo: 1-2, volume: 154, anno: 1998,
pagine: 69 - 132
SICI:
0045-7825(1998)154:1-2<69:AM8HFF>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
ASSUMED STRAIN STABILIZATION; ONE-POINT QUADRATURE; HOURGLASS CONTROL; NONLINEAR PROBLEMS; SHELLS; UNIFICATION; MATRICES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
CompuMath Citation Index
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
42
Recensione:
Indirizzi per estratti:
Citazione:
W.K. Liu et al., "A MULTIPLE-QUADRATURE 8-NODE HEXAHEDRAL FINITE-ELEMENT FOR LARGE-DEFORMATION ELASTOPLASTIC ANALYSIS", Computer methods in applied mechanics and engineering, 154(1-2), 1998, pp. 69-132

Abstract

A multiple-quadrature underintegrated hexahedral finite element, which is free of volumetric and shear locking, and has no spurious singular modes, is described and implemented for nonlinear analysis. Finite element formulations are derived in the corotational coordinate system. The use of consistent tangent operators for large deformation elastoplasticity with nonlinear isotropic/kinematic hardening rules preservesthe quadratic rate of convergence of the Newton's iteration method instatic analysis. Test problems studied demonstrate the efficiency andeffectiveness of this element in solving a wide variety of problems, including sheet metal forming processes.

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Documento generato il 06/04/20 alle ore 08:53:12