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Coefficient of equivalent plastic strain based on the associated flow of the Drucker-Prager criterion
Affiliation:1. Department of Engineering Mechanics, China University of Petroleum-Beijing, Beijing 102249, China;2. State Key Laboratory of Petroleum Resources and Engineering, 102249, Beijing, China;1. LML, UMR CNRS 8107, University of Lille, 59655 Villeneuve d’Ascq, France;2. Institut d’Alembert, UMR 7190 CNRS, University of Pierre et Marie Curie, France;1. Division of Engineering and Applied Science, California Institute of Technology Pasadena, CA 91125, USA;2. Lehrstuhl für Festkörpermechanik, Universität Siegen, D-57076 Siegen, Germany;3. Institut für Angewandte Mathematik, Universität Bonn, Endenicher Allee 60, Bonn 53115, Germany;1. Institute of Continuum Mechanics and Material Mechanics, Hamburg University of Technology, Hamburg, Germany;2. Institute of Materials Research, Helmholtz-Zentrum Geesthacht, Geesthacht, Germany;1. Department of Building Engineering, Hunan Institute of Engineering, Xiangtan 411101, China;2. School of Resources and Safety Engineering, Central South University, Changsha 410083, China
Abstract:
Keywords:Drucker-Prager criterion  Coefficient of equivalent plastic strain  Plastic volumetric strain  Associated flow
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