Symmetric Formulation of Tangential Stiffnesses for Non-Associated Visco-Plasticity with an Implicit Time Integration Scheme

Xiong Wen-lin

Volume 14 Issue 3

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Article Navigation > Applied Mathematics and Mechanics > 1993 > 14(3): 251-257

Xiong Wen-lin. Symmetric Formulation of Tangential Stiffnesses for Non-Associated Visco-Plasticity with an Implicit Time Integration Scheme[J]. Applied Mathematics and Mechanics, 1993, 14(3): 251-257.

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Symmetric Formulation of Tangential Stiffnesses for Non-Associated Visco-Plasticity with an Implicit Time Integration Scheme

Xiong Wen-lin

Wuhan University of Hydraulic and Electric Engineering, Wuhan

Received Date: 1990-09-28
Publish Date: 1993-03-15

Abstract

Abstract

A numerical scheme is presented which enables the use of symmetric equation solvers in tangential stiffness programs for non-associated viscoplastic materials.
- visco-plasticity,
- non-associated,
- tangential stiffnesses,
- symmetric

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References(5)

References

[1]	Naylor,D.J.and G.N.Pande,Finite Elements in Geotechnical Engineering,Pineridge Press,Swansea,U.K.(1981).
[2]	Owen,D.R.J.and E.Hinton,Finite Elements in Plasticity,Theory and Practice,Pineridge Press,Swansea,U.K.(1980).
[3]	Pande,G.N.and St.Pietruszczak,Symmetric tangential stiffness formulation for non-associated plasticity,C/R/405,the Univ.College of Swansea,U.K.(1982).
[4]	Pande,G.N.and W.Xiong,An improved multi-laminate model of jointed rock masses,Numerical Models in Geomechanics,A.A.BalKEMA/ROTTERDAM(1982),218-226.
[5]	熊文林,非关联塑性切线刚度矩阵的对称表示,应用数学和力学,7(11)(1986),983-992.

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