private double[,] CalculateHatKMatrix()
{
double[,] TotalMassMatrix;
double[,] TotalStiffnessMatrix;
if (CustomStiffnessMatrix != null)
{
TotalMassMatrix = CustomMassMatrix;
TotalStiffnessMatrix = CustomStiffnessMatrix;
}
else
{
TotalMassMatrix = Assembler.CreateTotalMassMatrix();
TotalStiffnessMatrix = Assembler.CreateTotalStiffnessMatrix();
}
double[,] hatK = MatrixOperations.MatrixSubtraction(TotalStiffnessMatrix,
MatrixOperations.ScalarMatrixProductNew(a2, TotalMassMatrix));
return(hatK);
}
private double[,] CalculateHatKMatrix()
{
double[,] hatK = MatrixOperations.MatrixSubtraction(stiffnessMatrix,
MatrixOperations.ScalarMatrixProductNew(a2, massMatrix));
return(hatK);
}