/// <summary>
/// Make a femm model using parameters
/// This will check if file existed and use parameters the same to this one or not.
/// If not, build new one
/// </summary>
/// <param name="outfile">Output femm model</param>
/// <param name="original">The original femm model to insert into</param>
/// <param name="forcebuild">True if build even file existed</param>
/// <returns>0-OK,1-File existed, analyzed,-1-ERROR</returns>
public virtual void BuildFEMModel(String outfile, FEMM femm = null)
{
// make sure coordinates were calculated
if (!isPointsCoordCalculated)
{
throw new InvalidOperationException("Points must be calculated before make FEM model.");
}
if (femm == null)
{
femm = FEMM.DefaultFEMM;
}
femm.newdocument(FEMM.DocumentType.Magnetic);
// setup problems params
femm.mi_probdef(0, FEMM.UnitsType.millimeters, FEMM.ProblemType.planar, 1e-8, GeneralParams.MotorLength, 7, FEMM.ACSolverType.Succ_Approx);
// build a rotor in femm
Rotor.BuildInFEMM(femm);
// build a stator in femm
Stator.BuildInFEMM(femm);
// build airgap (put label)
Airgap.BuildInFEMM(femm);
// clear selected, refresh, and go to natural zoom
femm.mi_clearselected();
femm.mi_zoomnatural();
femm.mi_saveas(outfile);
femm.mi_close();
// write md5 to it
FEMM.mi_modifyFEMMComment(outfile, GetMD5String());
}