谐波载荷场作用下弹性复合材料裂纹相互作用

2018 XXIIIrd International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory (DIPED) Pub Date : 2018-09-01 DOI:10.1109/diped.2018.8543323

V. Stankevych, I. O. Butrak, V. Kovalchuk

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引用次数: 5

摘要

考虑了三层含便士形裂纹复合材料在谐波扭转载荷场中的作用。解以亥姆霍兹势的形式选择，其密度表征未知的裂纹张开函数。该问题被简化为二维边界积分方程组的解。研究了外加载荷频率、复合材料弹性常数参数的比值对缺陷附近动应力强度因子的影响。

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Cracks Interaction in the Elastic Composite under Action of the Harmonic Loading Field

A three-layer composite with penny-shaped cracks in the field of harmonic torsional loading is considered. The solutions are chosen in the form of Helmholtz potentials with densities that characterize unknown crack opening functions. The problem is reduced to the solution of the system of two-dimensional boundary integral equations (BIEs). The influence of the frequency of the applied load, the ratio of the elastic constant parameters of the composite on the dynamic stress intensity factors in the defect vicinity is investigated.

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来源期刊

2018 XXIIIrd International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory (DIPED)

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