private void GetBetasEzVecs(
double omega, System.Numerics.Complex[] eVals, System.Numerics.Complex[][] eVecs)
{
int modeCnt = eVals.Length;
for (int iMode = 0; iMode < modeCnt; iMode++)
{
var eVal = eVals[iMode];
var beta = System.Numerics.Complex.Sqrt(eVal);
if (beta.Imaginary > 0)
{
beta = System.Numerics.Complex.Conjugate(beta);
}
eVals[iMode] = beta;
var eVec = eVecs[iMode];
var e = new IvyFEM.Lapack.ComplexMatrix(eVec, eVec.Length, 1);
var RyyZ = (IvyFEM.Lapack.ComplexMatrix)Ryy;
var work = RyyZ * e;
var work2 = IvyFEM.Lapack.Functions.zdotc(eVec, work.Buffer);
var d = System.Numerics.Complex.Sqrt(
(System.Numerics.Complex)(omega * Constants.Mu0) /
(((System.Numerics.Complex)beta.Magnitude) * work2));
eVec = IvyFEM.Lapack.Functions.zscal(eVec, d);
eVecs[iMode] = eVec;
}
}
private void SetBoundaryCondition(double omega,
IvyFEM.Linear.ComplexSparseMatrix A, System.Numerics.Complex[] B,
uint portCnt, out EMWaveguide1DEigenFEM[] eigenFEMs)
{
eigenFEMs = new EMWaveguide1DEigenFEM[portCnt];
for (uint portId = 0; portId < portCnt; portId++)
{
uint portNodeCnt = World.GetPortNodeCount(QuantityId, portId);
var eigenFEM = new EMWaveguide1DEigenFEM(World, QuantityId, portId);
eigenFEMs[portId] = eigenFEM;
eigenFEM.Frequency = Frequency;
eigenFEM.Solve();
System.Numerics.Complex[] betas = eigenFEM.Betas;
System.Numerics.Complex[][] ezEVecs = eigenFEM.EzEVecs;
IvyFEM.Lapack.ComplexMatrix b = eigenFEM.CalcBoundaryMatrix(omega, betas, ezEVecs);
for (int col = 0; col < portNodeCnt; col++)
{
int colCoId = World.PortNode2Coord(QuantityId, portId, col);
int colNodeId = World.Coord2Node(QuantityId, colCoId);
for (int row = 0; row < portNodeCnt; row++)
{
int rowCoId = World.PortNode2Coord(QuantityId, portId, row);
int rowNodeId = World.Coord2Node(QuantityId, rowCoId);
A[rowNodeId, colNodeId] += b[row, col];
}
}
bool isIncidentPort = (portId == World.GetIncidentPortId(QuantityId));
if (isIncidentPort)
{
int incidentModeId = World.GetIncidentModeId(QuantityId);
System.Diagnostics.Debug.Assert(incidentModeId != -1);
System.Numerics.Complex beta0 = betas[incidentModeId];
System.Numerics.Complex[] ezEVec0 = ezEVecs[incidentModeId];
System.Numerics.Complex[] I = eigenFEM.CalcIncidentVec(beta0, ezEVec0);
for (int row = 0; row < portNodeCnt; row++)
{
int rowCoId = World.PortNode2Coord(QuantityId, portId, row);
int rowNodeId = World.Coord2Node(QuantityId, rowCoId);
B[rowNodeId] += I[row];
}
}
}
}
private bool ComplexDenseSolve(
out System.Numerics.Complex[] X, ComplexSparseMatrix A, System.Numerics.Complex[] B)
{
bool success = false;
IvyFEM.Lapack.ComplexMatrix denseA = (IvyFEM.Lapack.ComplexMatrix)A;
int xRow;
int xCol;
int ret = IvyFEM.Lapack.Functions.zgesv(out X, out xRow, out xCol,
denseA.Buffer, denseA.RowLength, denseA.ColumnLength,
B, B.Length, 1);
System.Diagnostics.Debug.Assert(ret == 0);
success = (ret == 0);
return(success);
}
