%0 Journal Article
%T DIFFRACTION OF FLEXURAL WAVES AND DYNAMIC STRESS CONCENTRATIONS IN ORTHOTROPIC PLATES WITH AN ARBITRARY CUTOUT<br>正交各向异性平板开孔弹性波的衍射与动应力集中
%A Ma Xingrui
%A Hu Chao
%A Wang Benli
%A Niu Yuqing
%A <br>马兴瑞
%A 胡超
%A 王本利
%A 牛玉清
%J 力学学报
%D 1997
%I 
%X In this paper, based on the governing equation for flexural waves of orthotropic plates, diffraction of elastic waves by cutouts and dynamic stress concentrations in the thin plate has been studied. An analytic method to solve dynamic stress concentrations in the plate with an arbitrary cutout is established. An asymptotic expansion solution that satisfies the boundary conditions on the edge of cutouts is obtained. Therefore the solution of the problem can be normalized by means of this method. Numerical results for dynamic moment factors of plates with circular and elliptic cutouts are presented.
%K orthotropic plate
%K perturbation method
%K arbitrary cutout
%K diffraction of flexural waves
%K dynamic stress concentration<br>正交各向异性
%K 平板
%K 弹性波衍射
%K 动应力集中
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=5D344E2AD54D14F8&jid=4100DA4A1A3BA1B0CE5AD99AE1DFB420&aid=AE6D6FBC5E5081AC46D778EC55A7A85E&yid=5370399DC954B911&vid=771469D9D58C34FF&iid=38B194292C032A66&sid=1A363081E1FF7014&eid=CAA7BAE04CB631A1&journal_id=0459-1879&journal_name=力学学报&referenced_num=3&reference_num=0