弯曲碳纤维复合材料（CFC）结构的传输线建模（TLM）方法
Modeling Curved Carbon Fiber Composite (CFC) Structures in the Transmission-Line Modeling (TLM) Method
摘要：
在传输线建模（TLM）方法中，提出了一种新的曲面薄板的嵌入式模型。在该模型中，弯曲面板首先被线性化，然后嵌入相邻的2D TLM节点之间，允许在相邻节点中心之间进行任意定位。嵌入式模型消除了精细离散化的必要性，从而减少了计算的运行时间和内存需求。通过比较碳纤维复合材料（CFC）椭圆柱与等效金属柱的共振频率，验证了模型的准确性和收敛性。利用该模型对NACA 2415翼型的屏蔽性能进行了分析。
英文摘要：
A new embedded model for curved thin panels is developed in the Transmission Line Modeling (TLM) method. In this model, curved panels are first linearized and then embedded between adjacent 2D TLM nodes allowing for arbitrary positioning between adjacent node centers. The embedded model eliminates the necessity for fine discretization thus reducing the run time and memory requirements for the calculation. The accuracy and convergence of the model are verified by comparing the resonant frequencies of an elliptical cylinder formed using carbon fiber composite (CFC) materials with those of the equivalent metal cylinder. Furthermore, the model is used to analyze the shielding performance of CFC airfoil NACA2415.
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