43 lines
1.1 KiB
Matlab
43 lines
1.1 KiB
Matlab
clc
|
||
clear all
|
||
|
||
%参考四面体
|
||
%顶点1-[1,0,0] 2-[0,1,0] 3-[0,0,1] 4-[0,0,1]
|
||
|
||
% 算例配置（改波长/材料/边界请编辑 case_config.m）
|
||
[phy, cfg] = case_config();
|
||
|
||
% 读取网格（与 C++ Release/SBCmesh.dat 同一文件）
|
||
meshFile = fullfile(fileparts(mfilename('fullpath')), cfg.meshDatFile);
|
||
mesh = load_SBCmesh_dat(meshFile);mesh.incIndex=findTri(phy.inc,mesh);
|
||
mesh.outIndex=findTri(phy.out,mesh);
|
||
|
||
%矩阵组装
|
||
solver.Ai=[];solver.Aj=[];solver.Av=[];
|
||
solver.b=zeros(mesh.NbrEdge,1);
|
||
solver=assembly_equ(phy,mesh,solver);
|
||
%出射处理
|
||
solver=assembly_out(phy,mesh,solver);
|
||
%入射处理
|
||
solver=assembly_inc(phy,mesh,solver);
|
||
solver.A=sparse(solver.Ai,solver.Aj,solver.Av);
|
||
|
||
% 导出 A、b（与 C++ FemType=4 OutFile 格式一致，lda0=2 m）
|
||
export_ab_matrix(solver, fullfile(fileparts(mfilename('fullpath')), 'OutFile'));
|
||
|
||
%求解
|
||
solver.x=solver.A\solver.b;
|
||
|
||
%计算电场
|
||
triIndex=findTri(4,mesh);
|
||
[x,y,normE]=get_ele2(triIndex,mesh,solver);
|
||
patch(x,y,normE,'EdgeAlpha',0)
|
||
colormap jet;
|
||
colorbar
|
||
max(max(normE))
|
||
|
||
condest(solver.A)
|
||
% model=mphopen('SBC.mph');
|
||
% [A, b] = extract_mph_Matrice(model, 1);
|
||
% full_A=full(A);
|
||
% full_A2=full(solver.A); |