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本文采用调和势和双调和势法,导出了圆盘形夹杂外部弹性场的解析表达式。得到了以本征应变表示的应力强度因子公式,并对所得结果的特征及应用作了讨论。
In this paper, using the harmonic potential and the double harmonic potential method, the analytical expression of the disc-shaped external elastic field is deduced. The formula of stress intensity factor expressed by intrinsic strain is obtained, and the characteristics and applications of the obtained results are discussed.