Class representing user defined load time function. More...

#include <calculatorfunction.h>

Inheritance diagram for oofem::CalculatorFunction:

Collaboration diagram for oofem::CalculatorFunction:

Public Member Functions
	CalculatorFunction (int n, Domain *d)
	Constructor. More...

virtual	~CalculatorFunction ()
	Destructor. More...

virtual IRResultType	initializeFrom (InputRecord *ir)
	Reads the fields. More...

virtual void	giveInputRecord (DynamicInputRecord &ir)
	Setups the input record string of receiver. More...

virtual void	evaluate (FloatArray &answer, const std::map< std::string, FunctionArgument > &valDict)

virtual double	evaluateAtTime (double t)
	Returns the value of the function at given time. More...

virtual double	evaluateVelocityAtTime (double t)
	Returns the first time derivative of the function at given time. More...

virtual double	evaluateAccelerationAtTime (double t)
	Returns the second time derivative of the function at given time. More...

virtual const char *	giveClassName () const

virtual const char *	giveInputRecordName () const

Public Member Functions inherited from oofem::Function
	Function (int n, Domain *d)
	Constructor. More...

virtual	~Function ()
	Destructor. More...

double	evaluate (TimeStep *tStep, ValueModeType mode)
	Returns the value of load time function at given time. More...

virtual void	evaluate (FloatArray &answer, const std::map< std::string, FunctionArgument > &valDict, GaussPoint *gp=NULL, double param=0.)
	Returns the value of the function for given input. More...

virtual double	evaluate (const std::map< std::string, FunctionArgument > &valDict)
	Returns the (scalar) value of the function for given input. More...

double	giveFunctionParameter (int paramID)

Public Member Functions inherited from oofem::FEMComponent
	FEMComponent (int n, Domain *d)
	Regular constructor, creates component with given number and belonging to given domain. More...

virtual	~FEMComponent ()
	Virtual destructor. More...

Domain *	giveDomain () const

virtual void	setDomain (Domain *d)
	Sets associated Domain. More...

int	giveNumber () const

void	setNumber (int num)
	Sets number of receiver. More...

virtual void	updateLocalNumbering (EntityRenumberingFunctor &f)
	Local renumbering support. More...

virtual contextIOResultType	saveContext (DataStream &stream, ContextMode mode, void *obj=NULL)
	Stores receiver state to output stream. More...

virtual contextIOResultType	restoreContext (DataStream &stream, ContextMode mode, void *obj=NULL)
	Restores the receiver state previously written in stream. More...

virtual int	checkConsistency ()
	Allows programmer to test some internal data, before computation begins. More...

virtual void	printOutputAt (FILE file, TimeStep tStep)
	Prints output of receiver to stream, for given time step. More...

virtual void	printYourself ()
	Prints receiver state on stdout. Useful for debugging. More...

virtual Interface *	giveInterface (InterfaceType t)
	Interface requesting service. More...

std::string	errorInfo (const char *func) const
	Returns string for prepending output (used by error reporting macros). More...

Private Attributes
std::string	fExpression
	Expression for the function value. More...

std::string	dfdtExpression
	Expression for first time derivative. More...

std::string	d2fdt2Expression
	Expression for second time derivative. More...

Additional Inherited Members
Public Attributes inherited from oofem::Function
Domain *	funcDomain

int	parameterType

Protected Attributes inherited from oofem::FEMComponent
int	number
	Component number. More...

Domain *	domain
	Link to domain object, useful for communicating with other FEM components. More...

Detailed Description

Class representing user defined load time function.

User input is function expression. Uses Parser class to parse given expression. Slow but useful. Load time function typically belongs to domain and is attribute of one or more loads. Generally load time function is real function of time ( $ y=f(t) $ ).