Solves the problem of boundary value on an annular crack by using the nonlocal stress solution of an axisymmetric crack problem and approximative method of series expansion.
利用已得到的三维轴对称问题的非局部弹性应力的解，采用级数近似展开的方法，求解环状裂纹的边值问题。
The general solution of the electromechanical field, intensity factors and energy release rate are obtained, which are expressed in terms of series expansion.
得到了级数形式表达的电场和弹性场的基本解、场强度因子和能量释放率。
According to Belotserkovskii's method, using a series expansion and boundary layer method, an analytical solution for axisymmetric 'hypersonic flow over a flat-headed body has been obtained.
根据方法，使用级数展开和附面层方法，得到了轴对称高超音速绕流平头物体的一个解析解。
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