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ElementIntegralVariableUserObject.C
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9 
11 
13 
16 {
18  params.addClassDescription("computes a volume integral of a variable.");
19  params.addRequiredCoupledVar("variable", "The name of the variable that this object operates on");
20  return params;
21 }
22 
24  const InputParameters & parameters)
25  : ElementIntegralUserObject(parameters),
27  false,
28  "variable",
31  _u(coupledValue("variable")),
32  _grad_u(coupledGradient("variable"))
33 {
35 }
36 
37 Real
39 {
40  return _u[_qp];
41 }
VarFieldType
Definition: MooseTypes.h:634
This postprocessor computes a volume integral of the specified variable.
The main MOOSE class responsible for handling user-defined parameters in almost every MOOSE system...
static InputParameters validParams()
VarKindType
Framework-wide stuff.
Definition: MooseTypes.h:627
void addRequiredCoupledVar(const std::string &name, const std::string &doc_string)
This method adds a coupled variable name pair.
ElementIntegralVariableUserObject(const InputParameters &parameters)
void addMooseVariableDependency(MooseVariableFieldBase *var)
Call this function to add the passed in MooseVariableFieldBase as a variable that this object depends...
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
const VariableValue & _u
Holds the solution at current quadrature points.
This postprocessor computes a volume integral of the specified variable.
Interface for objects that need to get values of MooseVariables.
MooseVariableField< Real > & mooseVariableField()
Return the MooseVariableField<T> object that this interface acts on.
void addClassDescription(const std::string &doc_string)
This method adds a description of the class that will be displayed in the input file syntax dump...
registerMooseObject("MooseApp", ElementIntegralVariableUserObject)
MOOSE now contains C++17 code, so give a reasonable error message stating what the user can do to add...