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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 Deping1,2, LI Zheng3(), PENG Senlin4, ZENG Zhikai3, WU Daifeng3

图12. t=2 ms时刻的σx云图(网格密度为50×200)

Fig.12. Contour of σx at t=2 ms (at a mesh density of 50×200)