›› 2008, Vol. 29 ›› Issue (11): 2919-2926.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Using of full probability method to statistically estimate results of numerical simulation for geomechanics

HUANG Cheng, YANG Chun-he, WANG An-ming   

  1. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
  • Received:2008-03-04 Online:2008-11-10 Published:2013-08-07

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Abstract: A full probability method is presented to statistically evaluate the variation of geomechanics numerical simulation results subject to multi-random parameters. Taking the interested results as stochastic implicit response variables, firstly the expectations of some special functions of response variables are determined by the high performance multidimensional numerical integration. Then the full probability distribution function of the interested numerical simulation results is obtained to quantitatively analyze the variation effect using two proposed method including numerical probability analysis method based on fast Fourier transform (FFT) and the maximum entropy distribution solver software developed by the authors. The numerical examples show that this method has higher accuracy and the computational effort is reduced.

Key words: numerical simulation of geomechanics, full probability method, numerical probability analysis, fast Fourier transform (FFT), maximum entropy method, reliability analysis, variation of parameters

CLC Number: 

  • O 211.9
  • 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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