It can be applied to solve nonpositive definite or positive definite partial differential equation with arbitrary variable coefficient under arbitrary boundary condition.
它可以求解在任意边界条件下任意变系数正定或非正定偏微分方程。
In this paper, the exact analytic method is suggested to solve variable coefficient differential equations under arbitrary, boundary condition.
本文首次提出精确解析法，用以求解任意变系数微分方程在任意边界条件下的解。
Based on the stationary condition of energy functional, we set up the integral theorem along the boundary of arbitrary element and get the energy release quantity with the integral theorem.
根据裂纹扩展时能量泛函的驻值条件，建立了任意元素的围道积分定理。
We introduce a new method in the chapter 2 which can implement no-flux boundary condition in arbitrary geometries.
我们在第二章介绍了一种新的算法，可以在任何几何形状的边界上实现零流条件。
We introduce a new method in the chapter 2 which can implement no-flux boundary condition in arbitrary geometries.
我们在第二章介绍了一种新的算法，可以在任何几何形状的边界上实现零流条件。
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