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Energy Release Rate for Dynamic Transient Anti-Plane Shear Crack Propagation in a General Linear Viscoelastic Body.

机译：一般线性粘弹性体中动态瞬态反平面剪切裂纹扩展的能量释放率。

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The problem of a semi-infinite mode III crack that suddenly begins to propagate at a constant speed is considered for a general linear viscoelastic body. Simple closed form expressions are derived for the Laplace transform of the stress, displacement, and stress intensity factor. A Barenblatt type failure zone is assumed to exist at the crack tip and an expression for the total energy flux into the failure zone per unit crack advance, G(t), is derived. The short time asymptotic form of G is constructed and the rate at which it converges to its steady-state limit is studied. It is shown that the rate of convergence to steady-state is dependent upon crack speed and material properties. (jes)

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作者
Herrmann, J. M.; Walton, J. R.;
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年度 1988
页码 1-44
总页数 44
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Viscoelasticity; Cracks; Displacement; Energy; Energy transfer; Failure; Laplace transformation; Limitations; Rates; Short range(Time); Steady state; Stress concentration; Velocity; Crack propagation;

机译：粘弹性;裂纹;位移;能量;能量转移;失效;拉普拉斯变换;极限;速率;短程（时间）;稳态;应力集中;速度;裂纹扩展;

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5. Linear and nonlinear shear wave propagation in viscoelastic media [D] . Lindley, Brandon S. 2008

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7. The energy release rate for transient dynamic mode ${m I}$ crack propagation in a general linearly viscoelastic body [O] . J. M. Herrmann, J. R. Walton 1994

机译：瞬态动态模式的能量释放率$ { rm i}在一般线性粘弹性体中的$裂纹传播
8. Energy Release Rate for Dynamic Transient Anti-Plane Shear Crack Propagation in a General Linear Viscoelastic Body. [R] . Herrmann, J. M., Walton, J. R. 1987

机译：一般线性粘弹性体中动态瞬态反平面剪切裂纹扩展的能量释放率。

Energy Release Rate for Dynamic Transient Anti-Plane Shear Crack Propagation in a General Linear Viscoelastic Body.

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