基于裂纹表面位移间断的计算结果得到了裂纹前沿的应力强度因子。

So the stress intensity factors can be obtained by the displacement discontinuities.

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其次，在数值求解该组方程的过程中，未知函数裂纹表面位移差被近似为位移差的基本密度函数与多项式之积。

Then these equations are solved numerically by approximating the unknown displacement difference to a product of the fundamental density function and polynomials.

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与不可导通电边界条件相比，导通裂纹表面的电位移强度因子比不可导通裂纹的电位移强度因子要小许多。

It is found that the electric displacement intensity factors for the permeable crack surface conditions are much smaller than the results for the impermeable crack surface conditions.

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