Lightning shortest path spatial geometric topology principle-based thunder and lightning partitioning method
A shortest path, geometric topology technology, applied in geometric CAD, electrical digital data processing, special data processing applications, etc., can solve problems such as simulation methods that are not involved, and achieve accurate calculation results and improve calculation efficiency.
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[0072] Taking the B757 aircraft as an example, the specific implementation process of the above steps is described in detail:
[0073] Described step S1 specifically comprises:
[0074] S11. Establish or import the target three-dimensional CAD geometric model, the CAD geometric model is as figure 2 As shown, specifically, the 3D CAD geometric model of the aircraft target is established or modified in the CAD software, and the 3D CAD geometric model of the target is imported into the simulation software with mesh division function.
[0075] S12. Meshing the target CAD model, specifically:
[0076] In the simulation software with mesh division function, the CAD model of aircraft target is discretized by triangular surface elements. The vertices of the triangular surface elements are nodes, and the nodes of adjacent triangle surface elements are required to be connected to each other. The premise of lightning partition is to set the lightning attachment point. Since any positi...
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