[an error occurred while processing this directive]
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2. 用于追踪裂纹的两个零水平集函数原理图

Fig.2. Schematic diagram of two zero-level set functions used to track cracks