A benchmark algorithm for elastoplasticity with multiple yield surfaces

J. P. Bardet; W. Choucair

doi:10.1016/0267-7261(91)90023-S

A benchmark algorithm for elastoplasticity with multiple yield surfaces

J. P. Bardet, W. Choucair

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

A benchmark algorithm is proposed to calculate the stress-strain responses of elastoplastic models with multiple yield surfaces during the multi-dimensional cyclic loadings encountered in soil dynamics and earthquake engineering. The algorithm is based on the linearized integration technique¹. It is applied to the Prevost² model but pertains also to other elastoplastic models with multiple yield surfaces. The proposed method is applied to calculate the strain response during a constant pressure test and a circular stress path loading in the deviatoric plane. It is a benchmark algorithm to calibrate the stress-point routines of nonlinear finite element codes. It is especially useful in soil dynamics to compare the predictions of elastoplastic models with the experimental results of multidimensional shear tests.

Original language	English (US)
Pages (from-to)	341-347
Number of pages	7
Journal	Soil Dynamics and Earthquake Engineering
Volume	10
Issue number	7
DOIs	https://doi.org/10.1016/0267-7261(91)90023-S
State	Published - Oct 1991
Externally published	Yes

ASJC Scopus subject areas

Civil and Structural Engineering
Geotechnical Engineering and Engineering Geology
Soil Science

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title = "A benchmark algorithm for elastoplasticity with multiple yield surfaces",

abstract = "A benchmark algorithm is proposed to calculate the stress-strain responses of elastoplastic models with multiple yield surfaces during the multi-dimensional cyclic loadings encountered in soil dynamics and earthquake engineering. The algorithm is based on the linearized integration technique1. It is applied to the Prevost2 model but pertains also to other elastoplastic models with multiple yield surfaces. The proposed method is applied to calculate the strain response during a constant pressure test and a circular stress path loading in the deviatoric plane. It is a benchmark algorithm to calibrate the stress-point routines of nonlinear finite element codes. It is especially useful in soil dynamics to compare the predictions of elastoplastic models with the experimental results of multidimensional shear tests.",

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AB - A benchmark algorithm is proposed to calculate the stress-strain responses of elastoplastic models with multiple yield surfaces during the multi-dimensional cyclic loadings encountered in soil dynamics and earthquake engineering. The algorithm is based on the linearized integration technique1. It is applied to the Prevost2 model but pertains also to other elastoplastic models with multiple yield surfaces. The proposed method is applied to calculate the strain response during a constant pressure test and a circular stress path loading in the deviatoric plane. It is a benchmark algorithm to calibrate the stress-point routines of nonlinear finite element codes. It is especially useful in soil dynamics to compare the predictions of elastoplastic models with the experimental results of multidimensional shear tests.

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