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PiecewiseFunction Class Referenceabstract

Function which provides a piecewise representation of arbitrary functions. More...

#include <PiecewiseFunction.h>

Inheritance diagram for PiecewiseFunction:
[legend]

Public Types

typedef DataFileName DataFileParameterType
 
typedef FunctorBase< RealFunctorType
 
typedef Real ValueType
 
typedef typename FunctorReturnType< Real, FunctorEvaluationKind::Gradient >::type GradientType
 
typedef ValueType DotType
 

Public Member Functions

 PiecewiseFunction (const InputParameters &parameters)
 
virtual Real value (Real t, const Point &p) const override
 
virtual RealVectorValue gradient (Real t, const Point &p) const override
 
virtual Real timeDerivative (Real t, const Point &p) const override
 
virtual Real value (Real t, const Point &p) const
 
virtual ADReal value (const ADReal &t, const ADPoint &p) const
 
ChainedReal value (const ChainedReal &t) const
 
auto value (const U &t) const
 
auto value (const U &t, const U &x, const U &y=0, const U &z=0) const
 
ChainedReal value (const ChainedReal &t) const
 
auto value (const U &t) const
 
auto value (const U &t, const U &x, const U &y=0, const U &z=0) const
 
virtual ADReal value (const ADReal &t, const ADPoint &p) const
 
ChainedReal value (const ChainedReal &t) const
 
auto value (const U &t) const
 
auto value (const U &t, const U &x, const U &y=0, const U &z=0) const
 
virtual RealVectorValue vectorValue (Real t, const Point &p) const
 
virtual RealVectorValue curl (Real t, const Point &p) const
 
virtual Real div (Real t, const Point &p) const
 
GradientType gradient (const ElemArg &elem, const StateArg &state) const
 
GradientType gradient (const FaceArg &face, const StateArg &state) const
 
GradientType gradient (const ElemQpArg &qp, const StateArg &state) const
 
GradientType gradient (const ElemSideQpArg &qp, const StateArg &state) const
 
GradientType gradient (const ElemPointArg &elem_point, const StateArg &state) const
 
GradientType gradient (const NodeArg &node, const StateArg &state) const
 
GradientType gradient (const ElemArg &elem, const StateArg &state) const
 
GradientType gradient (const FaceArg &face, const StateArg &state) const
 
GradientType gradient (const ElemQpArg &qp, const StateArg &state) const
 
GradientType gradient (const ElemSideQpArg &qp, const StateArg &state) const
 
GradientType gradient (const ElemPointArg &elem_point, const StateArg &state) const
 
GradientType gradient (const NodeArg &node, const StateArg &state) const
 
auto timeDerivative (const U &t) const
 
auto timeDerivative (const U &t, const U &x, const U &y=0, const U &z=0) const
 
virtual Real integral () const
 
virtual Real average () const
 
virtual Real timeIntegral (Real t1, Real t2, const Point &p) const
 
void timestepSetup () override
 
void residualSetup () override final
 
void jacobianSetup () override final
 
void customSetup (const ExecFlagType &exec_type) override final
 
bool hasBlocks (SubdomainID) const override
 
bool supportsFaceArg () const override final
 
bool supportsElemSideQpArg () const override final
 
virtual bool enabled () const
 
std::shared_ptr< MooseObjectgetSharedPtr ()
 
std::shared_ptr< const MooseObjectgetSharedPtr () const
 
MooseAppgetMooseApp () const
 
const std::string & type () const
 
virtual const std::string & name () const
 
std::string typeAndName () const
 
std::string errorPrefix (const std::string &error_type) const
 
void callMooseError (std::string msg, const bool with_prefix) const
 
MooseObjectParameterName uniqueParameterName (const std::string &parameter_name) const
 
const InputParametersparameters () const
 
MooseObjectName uniqueName () const
 
const T & getParam (const std::string &name) const
 
std::vector< std::pair< T1, T2 > > getParam (const std::string &param1, const std::string &param2) const
 
const T * queryParam (const std::string &name) const
 
const T & getRenamedParam (const std::string &old_name, const std::string &new_name) const
 
getCheckedPointerParam (const std::string &name, const std::string &error_string="") const
 
bool isParamValid (const std::string &name) const
 
bool isParamSetByUser (const std::string &nm) const
 
void paramError (const std::string &param, Args... args) const
 
void paramWarning (const std::string &param, Args... args) const
 
void paramInfo (const std::string &param, Args... args) const
 
void connectControllableParams (const std::string &parameter, const std::string &object_type, const std::string &object_name, const std::string &object_parameter) const
 
void mooseError (Args &&... args) const
 
void mooseErrorNonPrefixed (Args &&... args) const
 
void mooseDocumentedError (const std::string &repo_name, const unsigned int issue_num, Args &&... args) const
 
void mooseWarning (Args &&... args) const
 
void mooseWarningNonPrefixed (Args &&... args) const
 
void mooseDeprecated (Args &&... args) const
 
void mooseInfo (Args &&... args) const
 
std::string getDataFileName (const std::string &param) const
 
std::string getDataFileNameByName (const std::string &relative_path) const
 
std::string getDataFilePath (const std::string &relative_path) const
 
virtual void initialSetup ()
 
virtual void subdomainSetup ()
 
const ExecFlagEnumgetExecuteOnEnum () const
 
bool isImplicit ()
 
Moose::StateArg determineState () const
 
bool isDefaultPostprocessorValue (const std::string &param_name, const unsigned int index=0) const
 
bool hasPostprocessor (const std::string &param_name, const unsigned int index=0) const
 
bool hasPostprocessorByName (const PostprocessorName &name) const
 
std::size_t coupledPostprocessors (const std::string &param_name) const
 
const PostprocessorName & getPostprocessorName (const std::string &param_name, const unsigned int index=0) const
 
UserObjectName getUserObjectName (const std::string &param_name) const
 
const T & getUserObject (const std::string &param_name, bool is_dependency=true) const
 
const T & getUserObjectByName (const UserObjectName &object_name, bool is_dependency=true) const
 
const UserObjectgetUserObjectBase (const std::string &param_name, bool is_dependency=true) const
 
const UserObjectgetUserObjectBaseByName (const UserObjectName &object_name, bool is_dependency=true) const
 
virtual void meshChanged ()
 
const std::vector< MooseVariableScalar *> & getCoupledMooseScalarVars ()
 
const std::set< TagID > & getScalarVariableCoupleableVectorTags () const
 
const std::set< TagID > & getScalarVariableCoupleableMatrixTags () const
 
FunctorReturnType< Real, FET >::type genericEvaluate (const Space &r, const State &state) const
 
const MooseFunctorName & functorName () const
 
void setCacheClearanceSchedule (const std::set< ExecFlagType > &clearance_schedule)
 
virtual bool isExtrapolatedBoundaryFace (const FaceInfo &, const Elem *, const StateArg &) const
 
bool isInternalFace (const FaceInfo &) const
 
virtual bool isConstant () const
 
virtual bool hasFaceSide (const FaceInfo &fi, const bool fi_elem_side) const override
 
void checkFace (const Moose::FaceArg &face) const
 
const PostprocessorValuegetPostprocessorValue (const std::string &param_name, const unsigned int index=0) const
 
const PostprocessorValuegetPostprocessorValue (const std::string &param_name, const unsigned int index=0) const
 
const PostprocessorValuegetPostprocessorValueOld (const std::string &param_name, const unsigned int index=0) const
 
const PostprocessorValuegetPostprocessorValueOld (const std::string &param_name, const unsigned int index=0) const
 
const PostprocessorValuegetPostprocessorValueOlder (const std::string &param_name, const unsigned int index=0) const
 
const PostprocessorValuegetPostprocessorValueOlder (const std::string &param_name, const unsigned int index=0) const
 
virtual const PostprocessorValuegetPostprocessorValueByName (const PostprocessorName &name) const
 
virtual const PostprocessorValuegetPostprocessorValueByName (const PostprocessorName &name) const
 
const PostprocessorValuegetPostprocessorValueOldByName (const PostprocessorName &name) const
 
const PostprocessorValuegetPostprocessorValueOldByName (const PostprocessorName &name) const
 
const PostprocessorValuegetPostprocessorValueOlderByName (const PostprocessorName &name) const
 
const PostprocessorValuegetPostprocessorValueOlderByName (const PostprocessorName &name) const
 
bool hasUserObject (const std::string &param_name) const
 
bool hasUserObject (const std::string &param_name) const
 
bool hasUserObject (const std::string &param_name) const
 
bool hasUserObject (const std::string &param_name) const
 
bool hasUserObjectByName (const UserObjectName &object_name) const
 
bool hasUserObjectByName (const UserObjectName &object_name) const
 
bool hasUserObjectByName (const UserObjectName &object_name) const
 
bool hasUserObjectByName (const UserObjectName &object_name) const
 
ValueType operator() (const ElemArg &elem, const StateArg &state) const
 
ValueType operator() (const FaceArg &face, const StateArg &state) const
 
ValueType operator() (const ElemQpArg &qp, const StateArg &state) const
 
ValueType operator() (const ElemSideQpArg &qp, const StateArg &state) const
 
ValueType operator() (const ElemPointArg &elem_point, const StateArg &state) const
 
ValueType operator() (const NodeArg &node, const StateArg &state) const
 
ValueType operator() (const ElemArg &elem, const StateArg &state) const
 
ValueType operator() (const FaceArg &face, const StateArg &state) const
 
ValueType operator() (const ElemQpArg &qp, const StateArg &state) const
 
ValueType operator() (const ElemSideQpArg &qp, const StateArg &state) const
 
ValueType operator() (const ElemPointArg &elem_point, const StateArg &state) const
 
ValueType operator() (const NodeArg &node, const StateArg &state) const
 
ValueType operator() (const ElemArg &elem, const StateArg &state) const
 
ValueType operator() (const FaceArg &face, const StateArg &state) const
 
ValueType operator() (const ElemQpArg &qp, const StateArg &state) const
 
ValueType operator() (const ElemSideQpArg &qp, const StateArg &state) const
 
ValueType operator() (const ElemPointArg &elem_point, const StateArg &state) const
 
ValueType operator() (const NodeArg &node, const StateArg &state) const
 
DotType dot (const ElemArg &elem, const StateArg &state) const
 
DotType dot (const FaceArg &face, const StateArg &state) const
 
DotType dot (const ElemQpArg &qp, const StateArg &state) const
 
DotType dot (const ElemSideQpArg &qp, const StateArg &state) const
 
DotType dot (const ElemPointArg &elem_point, const StateArg &state) const
 
DotType dot (const NodeArg &node, const StateArg &state) const
 
DotType dot (const ElemArg &elem, const StateArg &state) const
 
DotType dot (const FaceArg &face, const StateArg &state) const
 
DotType dot (const ElemQpArg &qp, const StateArg &state) const
 
DotType dot (const ElemSideQpArg &qp, const StateArg &state) const
 
DotType dot (const ElemPointArg &elem_point, const StateArg &state) const
 
DotType dot (const NodeArg &node, const StateArg &state) const
 
DotType dot (const ElemArg &elem, const StateArg &state) const
 
DotType dot (const FaceArg &face, const StateArg &state) const
 
DotType dot (const ElemQpArg &qp, const StateArg &state) const
 
DotType dot (const ElemSideQpArg &qp, const StateArg &state) const
 
DotType dot (const ElemPointArg &elem_point, const StateArg &state) const
 
DotType dot (const NodeArg &node, const StateArg &state) const
 
GradientType gradDot (const ElemArg &elem, const StateArg &state) const
 
GradientType gradDot (const FaceArg &face, const StateArg &state) const
 
GradientType gradDot (const ElemQpArg &qp, const StateArg &state) const
 
GradientType gradDot (const ElemSideQpArg &qp, const StateArg &state) const
 
GradientType gradDot (const ElemPointArg &elem_point, const StateArg &state) const
 
GradientType gradDot (const NodeArg &node, const StateArg &state) const
 
GradientType gradDot (const ElemArg &elem, const StateArg &state) const
 
GradientType gradDot (const FaceArg &face, const StateArg &state) const
 
GradientType gradDot (const ElemQpArg &qp, const StateArg &state) const
 
GradientType gradDot (const ElemSideQpArg &qp, const StateArg &state) const
 
GradientType gradDot (const ElemPointArg &elem_point, const StateArg &state) const
 
GradientType gradDot (const NodeArg &node, const StateArg &state) const
 
GradientType gradDot (const ElemArg &elem, const StateArg &state) const
 
GradientType gradDot (const FaceArg &face, const StateArg &state) const
 
GradientType gradDot (const ElemQpArg &qp, const StateArg &state) const
 
GradientType gradDot (const ElemSideQpArg &qp, const StateArg &state) const
 
GradientType gradDot (const ElemPointArg &elem_point, const StateArg &state) const
 
GradientType gradDot (const NodeArg &node, const StateArg &state) const
 
const Parallel::Communicator & comm () const
 
processor_id_type n_processors () const
 
processor_id_type processor_id () const
 
const FunctiongetFunction (const std::string &name) const
 
const FunctiongetFunctionByName (const FunctionName &name) const
 
bool hasFunction (const std::string &param_name) const
 
bool hasFunctionByName (const FunctionName &name) const
 

Static Public Member Functions

static InputParameters validParams ()
 

Public Attributes

const ConsoleStream _console
 

Protected Member Functions

unsigned int getFunctionIndex (Real t, const Point &p) const
 Gets the index of the function at the specified time and spatial point. More...
 
virtual void addPostprocessorDependencyHelper (const PostprocessorName &) const
 
virtual void addUserObjectDependencyHelper (const UserObject &) const
 
T & declareRestartableData (const std::string &data_name, Args &&... args)
 
ManagedValue< T > declareManagedRestartableDataWithContext (const std::string &data_name, void *context, Args &&... args)
 
const T & getRestartableData (const std::string &data_name) const
 
T & declareRestartableDataWithContext (const std::string &data_name, void *context, Args &&... args)
 
T & declareRecoverableData (const std::string &data_name, Args &&... args)
 
T & declareRestartableDataWithObjectName (const std::string &data_name, const std::string &object_name, Args &&... args)
 
T & declareRestartableDataWithObjectNameWithContext (const std::string &data_name, const std::string &object_name, void *context, Args &&... args)
 
std::string restartableName (const std::string &data_name) const
 
bool isCoupledScalar (const std::string &var_name, unsigned int i=0) const
 
unsigned int coupledScalarComponents (const std::string &var_name) const
 
unsigned int coupledScalar (const std::string &var_name, unsigned int comp=0) const
 
libMesh::Order coupledScalarOrder (const std::string &var_name, unsigned int comp=0) const
 
const VariableValuecoupledScalarValue (const std::string &var_name, unsigned int comp=0) const
 
const ADVariableValueadCoupledScalarValue (const std::string &var_name, unsigned int comp=0) const
 
const GenericVariableValue< is_ad > & coupledGenericScalarValue (const std::string &var_name, unsigned int comp=0) const
 
const GenericVariableValue< false > & coupledGenericScalarValue (const std::string &var_name, const unsigned int comp) const
 
const GenericVariableValue< true > & coupledGenericScalarValue (const std::string &var_name, const unsigned int comp) const
 
const VariableValuecoupledVectorTagScalarValue (const std::string &var_name, TagID tag, unsigned int comp=0) const
 
const VariableValuecoupledMatrixTagScalarValue (const std::string &var_name, TagID tag, unsigned int comp=0) const
 
const VariableValuecoupledScalarValueOld (const std::string &var_name, unsigned int comp=0) const
 
const VariableValuecoupledScalarValueOlder (const std::string &var_name, unsigned int comp=0) const
 
const VariableValuecoupledScalarDot (const std::string &var_name, unsigned int comp=0) const
 
const ADVariableValueadCoupledScalarDot (const std::string &var_name, unsigned int comp=0) const
 
const VariableValuecoupledScalarDotDot (const std::string &var_name, unsigned int comp=0) const
 
const VariableValuecoupledScalarDotOld (const std::string &var_name, unsigned int comp=0) const
 
const VariableValuecoupledScalarDotDotOld (const std::string &var_name, unsigned int comp=0) const
 
const VariableValuecoupledScalarDotDu (const std::string &var_name, unsigned int comp=0) const
 
const VariableValuecoupledScalarDotDotDu (const std::string &var_name, unsigned int comp=0) const
 
const MooseVariableScalargetScalarVar (const std::string &var_name, unsigned int comp) const
 
virtual GradientType evaluateGradDot (const ElemArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const FaceArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const ElemQpArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const ElemSideQpArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const ElemPointArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const NodeArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const ElemArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const FaceArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const ElemQpArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const ElemSideQpArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const ElemPointArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const NodeArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const ElemArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const FaceArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const ElemQpArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const ElemSideQpArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const ElemPointArg &, const StateArg &) const
 
virtual GradientType evaluateGradDot (const NodeArg &, const StateArg &) const
 
virtual ValueType evaluate (const ElemArg &elem, const StateArg &state) const =0
 
virtual ValueType evaluate (const FaceArg &face, const StateArg &state) const =0
 
virtual ValueType evaluate (const ElemQpArg &qp, const StateArg &state) const =0
 
virtual ValueType evaluate (const ElemSideQpArg &side_qp, const StateArg &state) const =0
 
virtual ValueType evaluate (const ElemPointArg &elem_point, const StateArg &state) const =0
 
virtual ValueType evaluate (const NodeArg &node, const StateArg &state) const =0
 
virtual GradientType evaluateGradient (const ElemArg &, const StateArg &) const
 
virtual GradientType evaluateGradient (const FaceArg &, const StateArg &) const
 
virtual GradientType evaluateGradient (const ElemQpArg &, const StateArg &) const
 
virtual GradientType evaluateGradient (const ElemSideQpArg &, const StateArg &) const
 
virtual GradientType evaluateGradient (const ElemPointArg &, const StateArg &) const
 
virtual GradientType evaluateGradient (const NodeArg &, const StateArg &) const
 
virtual DotType evaluateDot (const ElemArg &, const StateArg &) const
 
virtual DotType evaluateDot (const FaceArg &, const StateArg &) const
 
virtual DotType evaluateDot (const ElemQpArg &, const StateArg &) const
 
virtual DotType evaluateDot (const ElemSideQpArg &, const StateArg &) const
 
virtual DotType evaluateDot (const ElemPointArg &, const StateArg &) const
 
virtual DotType evaluateDot (const NodeArg &, const StateArg &) const
 

Protected Attributes

const unsigned int _component
 Axis on which the N-1 delimiting points lie. More...
 
const bool _use_time
 Use the time axis? More...
 
const std::vector< Real > & _axis_coordinates
 N-1 coordinates in the chosen axis, in increasing order, delimiting the N function regions. More...
 
const std::vector< FunctionName > & _function_names
 Names of the functions in the N regions. More...
 
const unsigned int _n_functions
 Number of functions, N. More...
 
std::vector< const Function * > _functions
 Functions in the N regions. More...
 
const bool & _enabled
 
MooseApp_app
 
const std::string _type
 
const std::string _name
 
const InputParameters_pars
 
Factory_factory
 
ActionFactory_action_factory
 
const ExecFlagEnum_execute_enum
 
const ExecFlagType_current_execute_flag
 
const InputParameters_ti_params
 
FEProblemBase_ti_feproblem
 
bool _is_implicit
 
Real_t
 
const Real_t_old
 
int_t_step
 
Real_dt
 
Real_dt_old
 
bool _is_transient
 
MooseApp_restartable_app
 
const std::string _restartable_system_name
 
const THREAD_ID _restartable_tid
 
const bool _restartable_read_only
 
FEProblemBase_mci_feproblem
 
FEProblemBase_sc_fe_problem
 
const THREAD_ID _sc_tid
 
const Real_real_zero
 
const VariableValue_scalar_zero
 
const Point & _point_zero
 
const Parallel::Communicator & _communicator
 

Detailed Description

Function which provides a piecewise representation of arbitrary functions.

Definition at line 18 of file PiecewiseFunction.h.

Constructor & Destructor Documentation

◆ PiecewiseFunction()

PiecewiseFunction::PiecewiseFunction ( const InputParameters parameters)

Definition at line 32 of file PiecewiseFunction.C.

34  FunctionInterface(this),
35 
36  _component(getParam<MooseEnum>("axis")),
37  _use_time(_component == 3),
38  _axis_coordinates(getParam<std::vector<Real>>("axis_coordinates")),
39 
40  _function_names(getParam<std::vector<FunctionName>>("functions")),
43 {
44  // Check that number of points is consistent with number of functions.
45  if (_axis_coordinates.size() != _n_functions - 1)
46  mooseError(name(),
47  ": The number of entries in the parameter 'axis_coordinates' must"
48  " equal the number of entries in the parameter 'functions' minus one.");
49 
50  // Check that coordinates are in ascending order.
51  Real previous_coordinate = 0;
52  for (unsigned int i = 0; i < _axis_coordinates.size(); i++)
53  {
54  if (i != 0 && _axis_coordinates[i] < previous_coordinate)
55  mooseError(name(),
56  ": The entries in the parameter 'axis_coordinates' must be in ascending order.");
57  previous_coordinate = _axis_coordinates[i];
58  }
59 
60  // Store functions and check to make sure there is no self-reference.
61  for (unsigned int i = 0; i < _n_functions; i++)
62  {
63  if (_function_names[i] == name())
64  mooseError(name(), ": This function cannot use its own name in the 'functions' parameter.");
65 
67  }
68 }
const std::vector< Real > & _axis_coordinates
N-1 coordinates in the chosen axis, in increasing order, delimiting the N function regions...
const unsigned int _n_functions
Number of functions, N.
const std::vector< FunctionName > & _function_names
Names of the functions in the N regions.
FunctionInterface(const MooseObject *moose_object)
const bool _use_time
Use the time axis?
virtual const std::string & name() const
Function(const InputParameters &parameters)
const T & getParam(const std::string &name) const
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
const Function & getFunctionByName(const FunctionName &name) const
void mooseError(Args &&... args) const
const InputParameters & parameters() const
std::vector< const Function * > _functions
Functions in the N regions.
const unsigned int _component
Axis on which the N-1 delimiting points lie.

Member Function Documentation

◆ getFunctionIndex()

unsigned int PiecewiseFunction::getFunctionIndex ( Real  t,
const Point &  p 
) const
protected

Gets the index of the function at the specified time and spatial point.

Parameters
[in]tTime
[in]pSpatial point
Returns
Index of the function at the specified time and spatial point

Definition at line 71 of file PiecewiseFunction.C.

Referenced by gradient(), timeDerivative(), and value().

72 {
73  const Real x = _use_time ? t : p(_component);
74 
75  // Check if position is in the first N-1 regions.
76  for (unsigned int i = 0; i < _n_functions - 1; i++)
77  if (x < _axis_coordinates[i])
78  return i;
79 
80  // If function has not yet returned, it must be in the last region.
81  return _n_functions - 1;
82 }
const std::vector< Real > & _axis_coordinates
N-1 coordinates in the chosen axis, in increasing order, delimiting the N function regions...
const unsigned int _n_functions
Number of functions, N.
const bool _use_time
Use the time axis?
const std::vector< double > x
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
const unsigned int _component
Axis on which the N-1 delimiting points lie.

◆ gradient()

RealVectorValue PiecewiseFunction::gradient ( Real  t,
const Point &  p 
) const
overridevirtual

Reimplemented from Function.

Definition at line 92 of file PiecewiseFunction.C.

93 {
94  const unsigned int i = getFunctionIndex(t, p);
95  return _functions[i]->gradient(t, p);
96 }
unsigned int getFunctionIndex(Real t, const Point &p) const
Gets the index of the function at the specified time and spatial point.
std::vector< const Function * > _functions
Functions in the N regions.

◆ timeDerivative()

Real PiecewiseFunction::timeDerivative ( Real  t,
const Point &  p 
) const
overridevirtual

Reimplemented from Function.

Definition at line 99 of file PiecewiseFunction.C.

100 {
101  const unsigned int i = getFunctionIndex(t, p);
102  return _functions[i]->timeDerivative(t, p);
103 }
unsigned int getFunctionIndex(Real t, const Point &p) const
Gets the index of the function at the specified time and spatial point.
std::vector< const Function * > _functions
Functions in the N regions.

◆ validParams()

InputParameters PiecewiseFunction::validParams ( )
static

Definition at line 15 of file PiecewiseFunction.C.

16 {
18 
19  MooseEnum axis("x=0 y=1 z=2 t=3");
20  params.addRequiredParam<MooseEnum>("axis", axis, "Axis on which the N-1 delimiting points lie");
21  params.addRequiredParam<std::vector<Real>>(
22  "axis_coordinates",
23  "N-1 coordinates in the chosen axis, in increasing order, delimiting the N function regions");
24  params.addRequiredParam<std::vector<FunctionName>>("functions", "Functions in the N regions");
25 
26  params.addClassDescription(
27  "Function which provides a piecewise representation of arbitrary functions");
28 
29  return params;
30 }
static const std::string axis
Definition: NS.h:27
void addRequiredParam(const std::string &name, const std::string &doc_string)
void addClassDescription(const std::string &doc_string)
static InputParameters validParams()

◆ value() [1/9]

auto Function::value

◆ value() [2/9]

auto Function::value

◆ value() [3/9]

virtual Real Function::value

◆ value() [4/9]

virtual ADReal Function::value

◆ value() [5/9]

auto Function::value

◆ value() [6/9]

ChainedReal Function::value

◆ value() [7/9]

ChainedReal Function::value

◆ value() [8/9]

auto Function::value

◆ value() [9/9]

Real PiecewiseFunction::value ( Real  t,
const Point &  p 
) const
overridevirtual

Reimplemented from Function.

Definition at line 85 of file PiecewiseFunction.C.

86 {
87  const unsigned int i = getFunctionIndex(t, p);
88  return _functions[i]->value(t, p);
89 }
unsigned int getFunctionIndex(Real t, const Point &p) const
Gets the index of the function at the specified time and spatial point.
std::vector< const Function * > _functions
Functions in the N regions.

Member Data Documentation

◆ _axis_coordinates

const std::vector<Real>& PiecewiseFunction::_axis_coordinates
protected

N-1 coordinates in the chosen axis, in increasing order, delimiting the N function regions.

Definition at line 44 of file PiecewiseFunction.h.

Referenced by getFunctionIndex(), and PiecewiseFunction().

◆ _component

const unsigned int PiecewiseFunction::_component
protected

Axis on which the N-1 delimiting points lie.

Definition at line 40 of file PiecewiseFunction.h.

Referenced by getFunctionIndex().

◆ _function_names

const std::vector<FunctionName>& PiecewiseFunction::_function_names
protected

Names of the functions in the N regions.

Definition at line 47 of file PiecewiseFunction.h.

Referenced by PiecewiseFunction().

◆ _functions

std::vector<const Function *> PiecewiseFunction::_functions
protected

Functions in the N regions.

Definition at line 51 of file PiecewiseFunction.h.

Referenced by gradient(), PiecewiseFunction(), timeDerivative(), and value().

◆ _n_functions

const unsigned int PiecewiseFunction::_n_functions
protected

Number of functions, N.

Definition at line 49 of file PiecewiseFunction.h.

Referenced by getFunctionIndex(), and PiecewiseFunction().

◆ _use_time

const bool PiecewiseFunction::_use_time
protected

Use the time axis?

Definition at line 42 of file PiecewiseFunction.h.

Referenced by getFunctionIndex().


The documentation for this class was generated from the following files: