本文对非线性弹性断裂力学范畴的承压裂纹杆的断裂问题进行了讨论。

This paper discusses the fracture problem of a compressed bar containing a crack Within the realm of nonlinear elastic fracture mechanics.

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对含中心裂纹的无限大板在裂纹表面受均匀分布压力作用的情况，导出了几何非线性弹性断裂力学的能量释放率的一个精确表达式。

An exact expression of energy release rate for geometrical nonlinear elastic fracture mechanics is obtained for an infinite plate with central crack under uniform stress normal to crack surfaces.

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建立了以油藏隆起为尖楔嵌入非线性黏弹性材料的界面断裂力学模型。

Here, an idealized interface fracture model was established in which the reservoir hunch as an elastic wedge was embedded in nonlinear viscoelastic material.

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