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基于Newmark隐式时间积分方案的裂纹动态扩展的数值计算方法
郭德平
1
,
2
, 李铮
3
(
), 彭森林
4
, 曾志凯
3
, 吴岱峰
3
Numerical Calculation Method for Crack Dynamic Propagation Based on Newmark Implicit Time Integration Scheme
GUO Deping
1
,
2
, LI Zheng
3
(
), PENG Senlin
4
, ZENG Zhikai
3
, WU Daifeng
3
图4.
裂纹面上的两套坐标系
Fig.4.
Two coordinate systems of crack surface