The discrete equation was deduced by control volume integral method, and realized by numerical method.
用控制容积积分法导出了离散方程，并用数值方法进行了求解。
Both the volume integral equation method and the surface integral equation method are used in this paper.
分别运用了体积分方程法和面积分方程法来求解问题。
The volume integral equation method based on tensor Greens function is used to modeling the transient electromagnetic responses from a reservoir in a layered formation.
用基于张量格林函数的体积分方程法对层状地层中一个油藏的动态变化过程进行了瞬变电磁响应的正演模拟。
The method requires less computation time and smaller memory than the direct computation of volume integral equations, since the large scale matrix inversion may be avoided.
由于不必进行直接的大型矩阵求逆运算，因而与体积分方程的直接解法相比，所需的机时更少，并减少了对内存的要求。
In modeling the electromagnetic induction, based on the principle of domain decomposition, a fast and effective numerical computational method is developed to deal with the volume integral equation.
针对电磁感应测井问题，基于区域分解的原理对体积分方程提出了一种快速有效的数值计算方法。
In modeling the electromagnetic induction, based on the principle of domain decomposition, a fast and effective numerical computational method is developed to deal with the volume integral equation.
针对电磁感应测井问题，基于区域分解的原理对体积分方程提出了一种快速有效的数值计算方法。
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