virtual Real computeQpJacobian() override
Compute this Kernel's contribution to the Jacobian at the current quadrature point.
virtual Real computeQpResidual() override
Compute this Kernel's contribution to the residual at the current quadrature point.
const MaterialProperty< Real > & _density
The density of the material.
MassMatrix(const InputParameters ¶meters)
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
Computes a finite element mass matrix.
const InputParameters & parameters() const
Get the parameters of the object.
static InputParameters validParams()