The calculated method of crack extension of arch DAMS is proposed using this strength criterion and finite element discrete crack model, and with some practical examples given.
运用上述强度准则及有限元分离裂缝模型提出了拱坝开裂的计算方法，并给出了应用实例。
The energy release rate and failure criterion for mixed mode are investigated by means of the method of equivalent linear crack extension.
利用当量直线裂纹扩展法研究复合型裂纹的能量释放率及相应的断裂判据。
A criterion for the crack extension rate and direction is proposed and compared with other criteria.
文中对裂纹扩展长度和方向提出了一种扩展准则，并与其他准则和实验结果进行了比较。
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