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Analysis of the stress intensity factor in unilateral oblique crack

单边斜裂纹的应力强度因子计算

The stress intensity factor in unilateral oblique crack at biaxiai oriented stress and the effect of crack length,crack angle and the length of rectangle thin plate were also calculated:1)with the angle increasing the SIF of modeⅠin unilateral oblique crack increase all along,but the SIF of modeⅡin unilateral oblique crack increase first, decrease at the back of 45~0;2)with crack length.

应用有限元单元法研究了裂纹的扩展和裂纹尖端的应力应变与应力强度因子的关系,计算了单边斜裂纹受双向拉伸时应力强度因子随裂纹角度、裂纹的长度以及板长的变化。