期刊
APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION
卷 22, 期 9, 页码 1028-1034出版社
SHANGHAI UNIV
DOI: 10.1023/A:1016360225253
关键词
damage; plasticity; coupling; dilatancy; geomaterial
Constitutive theory of plasticity coupled with orthotropic damage for geomaterials was established in the framework of irreversible thermodynamics. Prime results include I evolution laws are presented for coupled evolution of plasticity and orthotropic damage 2) the orthotropic damage tensor is introduced into the Mohr-Coulomb criterion through homogenization. Both the degradation of shear strength and degradation of friction angle caused by damage are included in this model. The dilatancy is calculated with the so-called damage strain.
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