›› 2004, Vol. 25 ›› Issue (1): 31-36.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study on bionics algorithm for geo-material constitutive model identification

GAO Wei1,2, ZHENG Ying-ren2, FENG Xia-ting1   

  1. 1. Key Laboratory of Rock and Soil Mechanics, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China； 2. Department of Civil Engineering, Logistical Engineering Institute, Chongqing 400041, China
  • Received:2002-11-26 Online:2004-01-10 Published:2014-07-15

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Abstract: From the united constitutive law of geo-material elastoplastic model, the problem of model identification among one model type is transformed to a problem of parameter identification. So, using the new bionics algorithm, immune evolutionary programming (IEP), proposed by authors recently, the elastoplastic model identification among one model type is studied; and a new model identification method is proposed. At last, this method is verified by a numerical example. The results show that this method can get the suitable geo-material model when only displacements are known.

Key words: the united constitutive law, model identification, bionics algorithm, immune evolutionary programming (IEP)

CLC Number: 

  • O 344.3
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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