MassMatrix

virtual void MassMatrix(MatrixType& rMassMatrix, ProcessInfo& rCurrentProcessInfo)
	{
		if(rMassMatrix.size1()!=0)
			rMassMatrix.resize(0,0);
	}

virtual void DampMatrix(MatrixType& rDampMatrix, ProcessInfo& rCurrentProcessInfo)
	{
		if(rDampMatrix.size1()!=0)
			rDampMatrix.resize(0,0);
	}