改进型扩展比例边界有限元法1)

江守燕, 李云, 杜成斌

IMPROVED EXTENDED SCALED BOUNDARY FINITE ELEMENT METHODS1)

Jiang Shouyan,Li Yun,Du Chengbin

表1 裂纹问题控制方程求解总的自由度数

Table 1 Total degrees of freedom for the meshes used for crack problem

Mesh Total degrees of freedom iXSBFEM XFEM 9x9 180 328 19x19 800 948 39x39 3240 3388 79x79 12 920 13 068 199x199 80 360 80 508