public RFMaterial(RFMaterial other) : this((Material)other)
 {
     if (other.ModelType == MaterialModelType.OrthotropicElastic2DType)
     {
         ElasticityModulusX = other.ElasticityModulusX;
         ElasticityModulusY = other.ElasticityModulusY;
         ElasticityModulusZ = other.ElasticityModulusZ;
         PoissonRatioXY     = other.PoissonRatioXY;
         PoissonRatioXZ     = other.PoissonRatioXZ;
         PoissonRatioYZ     = other.PoissonRatioYZ;
         ShearModulusXY     = other.ShearModulusXY;
         ShearModulusXZ     = other.ShearModulusXZ;
         ShearModulusYZ     = other.ShearModulusYZ;
     }
     ToModify = other.ToModify;
     ToDelete = other.ToDelete;
 }
 public RFMaterial(RFMaterial other) : this((Material)other)
 {
     ToModify = other.ToModify;
     ToDelete = other.ToDelete;
 }