›› 2011, Vol. 32 ›› Issue (12): 3763-3767.

• Numerical Analysis • Previous Articles     Next Articles

Error analysis of axisymmetric dynamic problem of single soil layer overlaid on elastic half-space using transfer matrix method

ZHENG Xin1, 2, TAO Xia-xin1, WANG Fu-tong1, 3   

  1. 1. School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China; 2. College of Engineering, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China; 3. School of Civil Engineering and Architecture, Heilongjiang University, Harbin 150001, China
  • Received:2011-06-12 Online:2011-12-10 Published:2011-12-13

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Abstract: In order to solve the problem that transfer matrix in axisymmetric dynamic problem of single soil layer overlaid on elastic half-space is ill-conditioned, the error analysis method is presented. The disposal method for integrand is discussed in three conditions; then the disposal method for the inverse-Hankel transformation and the inverse-Laplace transformation is briefly introduced. Based on these, the method how to decrease the error is presented. The analysis result is verified through the degenerating model. The result indicates that the method presented can effectively decrease error. All this work can provide idea for solve the problem that transfer matrix in axisymmetric dynamic problem of layered elastic half space.

Key words: transfer matrix, elastic half-space, axisymmetric, error analysis

CLC Number: 

  • O 241.1
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