采用微分求积法求解输流管道的固有频率。
The differential quadrature method (DQM) is extended to solve the natural frequencies of pipe.
根据梁塑性弯曲的工程理论，采用微分求积法进行了梁的弹塑性平面弯曲分析。
According to the engineering theory of plastic bending, the elastoplastic bending analysis of a beam is conducted using differential quadrature method.
采用微分求积法对方程中的空间变量进行离散，得到仅含有时间变量的三阶周期系数微分方程组。
By the discretization of spatial variable in the equation, a third-order differential system of equations containing periodic time-varying coefficient is derived.
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