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An approach for automatic grid generation in three-dimensional FDTD simulations of complex geometries

机译:在复杂几何形状的三维FDTD模拟中自动生成网格的方法

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摘要

The finite-different time-domain (FDTD) method has become a popular method in computational electromagnetics because of its simplicity, flexibility, and efficiency. However, the process of generating a three-dimensional (3D) FDTD grid can be time-consuming and error-prone when manually manipulating complex geometries. In order to expedite the generation of FDTD grids, computer-graphics-based methods can alternatively be used. Starting from the geometric description of the problem domain given by a CAD file, an FDTD grid with a specific spatial resolution can be automatically produced. A simple algorithm to this end is discussed, along with sample results.
机译:时域有限差分(FDTD)方法由于其简单性,灵活性和效率而成为一种流行的计算电磁学方法。但是,在手动操作复杂的几何图形时,生成三维(3D)FDTD网格的过程可能既耗时又容易出错。为了加快FDTD网格的生成,可以替代地使用基于计算机图形的方法。从CAD文件给出的问题域的几何描述开始,可以自动生成具有特定空间分辨率的FDTD网格。为此目的,将讨论一个简单的算法以及示例结果。

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