GdfidL: a finite difference program for arbitrarily small perturbations in rectangular geometries

Bruns W.

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GdfidL: a finite difference program for arbitrarily small perturbations in rectangular geometries

机译：GdfidL：有限差分程序，用于矩形几何中的任意小扰动

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A FD-program for calculating the resonant fields in a perturbed chain of rectangular cavities is presented. The unperturbed cavity chain can be discretized exactly by standard FD-programs that operate on regular grids. Discretizing a perturbed chain exactly with such a grid would lead to a computation time inversely proportional to the perturbation. GdfidL does not represent the grid as a matrix but as a linked list. This allows discretizing arbitrarily small perturbations of a certain class without increasing the time for the solution. As a nice side-effect, only interesting volumes are discretized, reducing the computation time further.

机译：提出了一种用于计算矩形腔扰动链中共振场的FD程序。不受干扰的空腔链可以通过在常规网格上运行的标准FD程序精确离散。精确地用这样的网格离散化扰动链将导致计算时间与扰动成反比。 GdfidL并不将网格表示为矩阵，而是链接列表。这允许离散某个类别的任意小扰动而不会增加求解时间。作为一个很好的副作用，仅将感兴趣的卷离散化，从而进一步减少了计算时间。

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《IEEE Transactions on Magnetics》 |1996年第3期|P.1453-1456|共4页
作者
Bruns W.;
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GdfidL: a finite difference program for arbitrarily small perturbations in rectangular geometries

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