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首页> 外文期刊>International Journal of Solids and Structures >Closure of a through crack in a plate under bending
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Closure of a through crack in a plate under bending

机译：弯曲时封闭板中的通孔

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A plate with a pre-existent through crack is considered under the action of a remote bending moment and a remote in-plane force. The problem statement is reduced to the solution of two coupled integral equations with strongly singular kernels. The independent variables in the latter equations are the closure displacement and rotation angle. The corresponding closure force and moment distributions, and the contact-crack opening boundary (the closure perimeter), are found as functions of the remote bending-compression ratio. The validity of previously stated analytical asymptotics for the contact boundary is examined. The dependence of the extent of closure on the crack length-to-thickness ratio is studied. Comparisons are made with experimental results. (C) 1998 Elsevier Science Ltd. All rights reserved. [References: 18]
机译：在远处的弯矩和远处的平面力的作用下，考虑存在预先存在贯通裂纹的板。问题陈述简化为两个具有强奇异核的耦合积分方程的解。后一个方程中的自变量是闭合位移和旋转角度。发现相应的闭合力和力矩分布以及接触裂纹的打开边界（闭合周长）是远距离弯曲压缩比的函数。检查了先前陈述的接触边界的分析渐近性的有效性。研究了封闭程度对裂纹长度与厚度之比的依赖性。与实验结果进行比较。 （C）1998 Elsevier ScienceLtd。保留所有权利。 [参考：18]

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