fdtd 时域有限差分法pml吸收边界条件

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fdtd 时域有限差分法pml吸收边界条件 实现

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The FDTD (Finite-Difference Time-Domain) method is a popular approach for modeling electromagnetic wave propagation. This numerical method is widely used in various fields, such as antennas, microwave circuits, and photonics. One important aspect of FDTD simulations is the implementation of PML (Perfectly Matched Layer) absorbing boundary conditions. These are used to prevent reflections from the computational domain boundaries, which could otherwise introduce unwanted artifacts into the simulation results. Therefore, careful consideration must be given to the design and implementation of the PML boundary conditions in order to ensure accurate and reliable results.