Identification of structure and parameters of rheological constitutive model for rocks using differential evolution algorithm |
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| Authors: | SU Guo-shao ZHANG Xiao-fei CHEN Guang-qiang FU Xing-yi |
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| Affiliation: | SU Guo-shao 1,2,ZHANG Xiao-fei 1,CHEN Guang-qiang 1,FU Xing-yi 1(1.College of Civil , Architecture Engineering,Guangxi University,Nanning 530004,China,2.State Key Laboratory of Geomechanics , Geotechnical Engineering,Institute of Rock , Soil Mechamics,Chinese Academy of Sciences,Wuhan 430071,China) |
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| Abstract: | To determine structure and parameters of a rheological constitutive model for rocks,a new method based on differential evolution(DE) algorithm combined with FLAC3D(a numerical code for geotechnical engineering) was proposed for identification of the global optimum coupled of model structure and its parameters.At first,stochastic coupled mode was initialized,the difference in displacement between the numerical value and in-situ measurements was regarded as fitness value to evaluate quality of the coupled mod... |
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| Keywords: | rheological constitutive model rocks differential evolution algorithm identification FLAC3D |
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