31 lines
907 B
Matlab
31 lines
907 B
Matlab
function [phy, cfg] = case_config()
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%CASE_CONFIG BELE 散射算例配置，对应 bele3d.json / COMSOL SBC+bele.mph
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%
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% 散射场 E_s，总场 E = E_s + E_b
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% 背景场（COMSOL 用户定义）:
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% E_bx = exp(-2.5i*pi*(z+0.5)), E_by = 0, E_bz = 0
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% lambda = 0.8 m => k0 = 2.5*pi
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phy.eps = [1, 1.5];
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phy.mur = [1, 1];
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phy.lda0 = 0.8;
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phy.out = [1, 2, 3, 4, 5, 14];
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phy.inc = [];
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phy.beleDomains = [1, 2];
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phy.pec = [];
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phy.bele.Eb = @(x, y, z) [exp(-2.5i * pi * (z + 0.5)); 0; 0];
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phy.bele.curlEb = @(x, y, z) [0; -2.5i * pi * exp(-2.5i * pi * (z + 0.5)); 0];
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phy.bele.curlcurlEb = @(x, y, z) [(2.5 * pi)^2 * exp(-2.5i * pi * (z + 0.5)); 0; 0];
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cfg.FemType = 4;
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cfg.EletricType = 2;
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cfg.NbrBoundary = 14;
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cfg.BoundaryFlag = [2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2];
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cfg.MeshFile = 'belemesh.dat';
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cfg.OutFile = './OutFile';
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cfg.jsonFile = 'bele3d.json';
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cfg.meshDatFile = 'belemesh.dat';
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end
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