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Volume 43 Issue 3

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2013 > 43(3): 79-83,74

Zhang Huabin, Wang Zhiyin, Ran Lina. RESEARCH ON THE SECONDARY DEVELOPMENT OF ELASTO-PLASTIC CONSTITUTIVE MODEL IN STRAIN SPACE OF FLAC3D[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(3): 79-83,74. doi: 10.13204/j.gyjz201303017

Citation:

Zhang Huabin, Wang Zhiyin, Ran Lina. RESEARCH ON THE SECONDARY DEVELOPMENT OF ELASTO-PLASTIC CONSTITUTIVE MODEL IN STRAIN SPACE OF FLAC^3D[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(3): 79-83,74. doi: 10.13204/j.gyjz201303017

Zhang Huabin, Wang Zhiyin, Ran Lina. RESEARCH ON THE SECONDARY DEVELOPMENT OF ELASTO-PLASTIC CONSTITUTIVE MODEL IN STRAIN SPACE OF FLAC3D[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(3): 79-83,74. doi: 10.13204/j.gyjz201303017

Citation:

Zhang Huabin, Wang Zhiyin, Ran Lina. RESEARCH ON THE SECONDARY DEVELOPMENT OF ELASTO-PLASTIC CONSTITUTIVE MODEL IN STRAIN SPACE OF FLAC^3D[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(3): 79-83,74. doi: 10.13204/j.gyjz201303017

RESEARCH ON THE SECONDARY DEVELOPMENT OF ELASTO-PLASTIC CONSTITUTIVE MODEL IN STRAIN SPACE OF FLAC^3D

doi: 10.13204/j.gyjz201303017

1.
1. Key Laboratory of Urban Oil and Gas Distribution Technology,China University of Petroleum,Beijing 102249,China;
2.
2. Langfang Branch of Research Institute of Petroleum Exploration and Development,Langfang 065007,China

Received Date: 2012-09-10
Publish Date: 2013-03-20

Abstract

Based on the theory of strain space,the numerical computational scheme was proposed for Mohr-Coulomb constitutive relation,by using different plastic potential function(M-C associated criteria and D-P non-associated criteria),and the key technologies and concrete methods of implementation were explained.Through the secondary development platform UDM of FLAC3D,by using Visual Studio 2005 on the basis of UserMohr model,the dynamic link library file(DLL) of the constitutive model was compiled and the secondary development of elasto-plastic constitutive model in strain space was realized.Underground salt caverns static dissolved simulation validation examples were compared and analyzed.The results showed that the calculated results were almost consistent with the FLAC3D self-defined Mohr Coulomb constitutive model and the analytical solutions under the elastic-plastic conditions,which verified the validity of the software.The software could provide an alternative numerical simulation method for underground salt dissolved cavity simulation and long-term operation rheology.
- strain space,
- constitutive relation,
- secondary development,
- salt cavern,
- numerical simulation

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