CONDITIONS FOR THE DETERMINATION OF APPROXIMATE COD FIELDS

被引:22
作者
FETT, T
机构
[1] Kernforschungszentrum Karlsruhe, Institut für Material- und Festkörperforschung IV, Postfach 3640, Weberstraße 5
关键词
D O I
10.1016/0013-7944(91)90196-8
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
The procedure of determining approximate weight functions is based on the knowledge of approximate crack opening displacements for an arbitrarily chosen reference load case. The construction of the approximate crack opening displacement field is possible if the reference stress intensity factor is available and additional conditions are known. Numerous geometrical conditions as well as equilibrium conditions can be derived. In this investigation a selection of conditions is given. As an example, CODs and weight functions are determined for a plate of finite length.
引用
收藏
页码:905 / 914
页数:10
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