A biem optimization method for fracture dynamics inverse problem |
| |
Authors: | Chen Weijiang Liu Chuntu |
| |
Institution: | (1) Institute of Mechanics, Chinese Academy of Sciences, 100080 Beijing, China |
| |
Abstract: | In the present paper, based on the theory of dynamic boundary integral equation, an optimization method for crack identification
is set up in the Laplace frequency space, where the direct problem is solved by the author's new type boundary integral equations
and a method for choosing the high sensitive frequency region is proposed. The results show that the method proposed is successful
in using the information of boundary elastic wave and overcoming the ill-posed difficulties on solution, and helpful to improve
the identification precision.
The project supported by Foundation of the National Post-Doctoral Committee. |
| |
Keywords: | crack identification BIEM iterative optimization frequency choosing |
本文献已被 SpringerLink 等数据库收录! |
|