function [phy, cfg] = case_config()
%CASE_CONFIG  3D 二阶 Nedelec + 单周期 Bloch（main_RBC.m）。

phy.eps = [1 1.2];
phy.mur = [1 1];
phy.f0 = 6e9;
phy.lda0 = 0.049965;
phy.out = [3 9];
phy.inc = [8];
phy.Einc = [0.5; -0.5*1i; 0];
phy.src = [1 4];
phy.dst = [2 5];

cfg.FemType = 4;
cfg.EletricType = 2;
cfg.ElementOrder = 2;
cfg.NbrBoundary = 14;
cfg.BoundaryFlag = [0, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 2];
cfg.MeshFile = 'PBCmesh.dat';
cfg.OutFile = './OutFile';
cfg.jsonFile = '';
cfg.meshMatFile = 'c6.mat';
cfg.pbcAngle = pi / 3;
cfg.pbcPhi = exp(1i * 2 * pi / 6);

end