Nonlinearfracture behaviors of concrete materials are mainly caused by the cohesive stress along the fracture process zone.
混凝土裂缝端部断裂过程区的粘聚力分布是导致混凝土断裂呈现非线性特性的重要原因。
2
A discrete crack model based on the extended finite element method (XFEM) was used to describe the nonlinearfracture of concrete gravity DAMS during earthquakes.
为了模拟重力坝在强震作用下的破坏过程，利用扩展有限元框架下的分离裂纹模型描述混凝土中的裂纹扩展。
3
Supposing the defects as the initial crack, using the theory and testing method of fracture mechanics, the nonlinearfracture process and character of frozen soil are investigated.