A Realization Method of Fully Matched Layer Using Auxiliary Differential Equations in Plasma
A completely matched layer and plasma technology, applied in the field of computational electromagnetics, can solve the problems of poor absorption of low-frequency litter waves and slow calculation speed
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[0195] Select a non-uniform plasma plate with a thickness of 6mm, and calculate its reflection and transmission coefficients for electromagnetic waves. Simulation model such as figure 2 shown. The calculation area is 180×36 grids, and the grids from the 31st to the 150th along the x direction are non-uniform plasmas, among which plasma 1 occupies the 31st to 50th grids and the 131st to 150th grids lattice, the thickness is 1.5 mm, and its plasma parameter is ω p =1.80327×10 11 rad / s, υ=2×10 10 rad / s, plasma 2 occupies the 51st to 130th grid, the thickness is 3 mm, and its plasma parameter is ω p =5.6985×10 10 rad / s, υ=2×10 10 rad / s. Use a gradient non-uniform mesh to mesh the solution area, and the mesh near the non-uniform plasma is as follows image 3 As shown, the grid size of plasma 2 along the x direction is 37.5 μm, the grid size of plasma 1 is 75 μm, the grid size of other calculation areas is 150 μm, and the minimum grid size is 37.5 μm×37.5 μm. The source ad...
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