三维切口/裂纹结构的扩展边界元法分析 1)
李聪*2)(),牛忠荣*3)(),胡宗军*,胡斌*
ANALYSIS OF 3-D NOTCHED/CRACKED STRUCTURES BY USING EXTENDED BOUNDARY ELEMENT METHOD 1)
Li Cong*2)(),Niu Zhongrong*3)(),Hu Zongjun*,Hu Bin*

图 7. XBEM-BEM 和 FEM 计算 3-D V 形切口沿 $x_{1} =2$ mm, $x_{3} =5$ mm 线段的 $\sigma_{x2 }$ 和 $u_{x2 }$ 值

Fig. 7. $\sigma_{x2 }$ and $u_{x2 }$ along $x_{1} =2$ mm, $x_{3} =5$ mm calculated by XBEM-BEM and FEM