Investigation on Elasto-Plastic Constitutive Model Coupled With Damage for Localization Phenomena

SHEN Xin-pu; SHEN Guo-xiao; CHEN Li-xin

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Article Navigation > Applied Mathematics and Mechanics > 2004 > 25(12): 1249-1256

SHEN Xin-pu, SHEN Guo-xiao, CHEN Li-xin. Investigation on Elasto-Plastic Constitutive Model Coupled With Damage for Localization Phenomena[J]. Applied Mathematics and Mechanics, 2004, 25(12): 1249-1256.

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Investigation on Elasto-Plastic Constitutive Model Coupled With Damage for Localization Phenomena

1.
College of Architectural Engineering, Shenyang University of Technology, Shenyang 110023, P. R. China;

Received Date: 2002-12-09
Rev Recd Date: 2004-07-06
Publish Date: 2004-12-15

Abstract

Abstract

On the basis of existing plasticity-based damage model for plasticity coupled with damage for localization analysis,constitutive parameter identification was carried out through a series of numerical tests at local level.And then improvements were made on the expressions of the evolution laws of damage'strain localization phenomena were simulated with a typical double-notched specimen under tensions.Numerical results indicate the validity of the proposed theory.
- damage,
- plasticity,
- localization,
- constitutive model

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References(13)

References

[1]	de Borst R, Pamin J, Geers M G D.On coupled gradient-dependent plasticity and damage theories with a view to localization analysis[J].European J Mech, A Solids,1999，18(3)：939—962. doi: 10.1016/S0997-7538(99)00114-X
[2]	Desoyer T, Hanus J L, Keryvin V. An instability condition of the deformation process in elasto-(visco)-nonlinear materials[J].Mech Res Comm,1998，25(2)：437—442. doi: 10.1016/S0093-6413(98)00057-3
[3]	Besson J, Steglich D, Brocks W. Modeling of crack growth in round bars and plane strain specimens[J].Internat J Solids and Structures,2001,38(11)：8259—8284. doi: 10.1016/S0020-7683(01)00167-6
[4]	Brunet M, Morestin F, Walter H. Damage identification for anisotropic sheet-metals using a non~local damage model[A].In:Proceedings of 2002 ASME- Proceedings of the International Mechanical Engineering Congress and Exposition[C].Paper No,IMEGE 2002-33088,November 17-22,New Orleans,2002,1—10.
[5]	Saanouni K, Forster C, Hatira F B. On the anelastic flow with damage[J].Internat J Dama Mech,1994,3(1):140—169. doi: 10.1177/105678959400300203
[6]	Saanouni K, Chaboche J L, Lesne P M. On the creep crack-growth prediction by a non local damage formulation[J].European J Mech,A Solids,1989,8(2)：437—459.
[7]	Saanouni K, Nesnas K, Hammi Y. Damage modelling in metal forming processes[J].Internat J Dama Mech,2000，9(1)：196—240.
[8]	Tvergaard V, Needleman A. Analysis of cup-cone fracture in a round tensile bar[J].Acta Metall,1984,32(3)：157—169. doi: 10.1016/0001-6160(84)90213-X
[9]	Gurson A L. Continuum theory of ductile rupture by void nucleation and growth—Part Ⅰ:Yield criteria and flow rules for porous ductile media[J].J Engng Mater Tech,1977,99(2)：2—15. doi: 10.1115/1.3443401
[10]	Lemaitre J.A Course on Damage Mechanics[M].Berlin: Springer-Verlag, 1992.
[11]	Kachnov L M.Introduction to Continuum Damage Mechanics[M].The Netherlands:Maritinus Nijhoff Dordrecht,1986.
[12]	Besson J. Mecanique et Ingenierie des Materiaux-Essais Mecaniques, Eprouvettes Axisymetriques Entaillees[M].Paris:Hermes, 2001.
[13]	徐秉业.塑性力学[M].北京：高等教育出版社,1988.