研究目的
To address the corner singularity problem in conformal structured mesh generation for tangential situations in the finite-difference time-domain (FDTD) method.
研究成果
The proposed universal scheme effectively solves the corner singularity problem in conformal structured mesh generation for tangential situations, as demonstrated by the numerical example of a hollow rectangular waveguide. The method ensures correct conformal area computation by appropriately modifying the tangential length of Yee cells.
研究不足
The paper does not explicitly mention limitations, but the complexity of real-world geometries and the need for accurate handling of various plane types (curved, non-aligned, aligned) suggest potential challenges in universal application.
1：Experimental Design and Method Selection:
The study proposes a universal scheme to solve the corner singularity problem by modifying the tangential length of Yee cells based on in or out information normal to the tangential plane and cell position relation relative to the tangential plane.
2：Sample Selection and Data Sources:
A hollow rectangular waveguide is used as a numerical example to illustrate the necessity and effectiveness of the proposed method.
3：List of Experimental Equipment and Materials:
Not explicitly mentioned.
4：Experimental Procedures and Operational Workflow:
The scheme involves determining whether to modify the tangential length of Yee cells for computing the conformal area based on the normal direction and cell position relation.
5：Data Analysis Methods:
The effectiveness of the proposed scheme is demonstrated through numerical simulation results showing the difference between staircase and conformal methods.
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