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Grad2ParsedFunction.h
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3 //*
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7 //* Licensed under LGPL 2.1, please see LICENSE for details
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9 
10 #pragma once
11 
12 #include "MooseParsedFunction.h"
13 
14 // Forward declarations
16 
17 template <>
18 InputParameters validParams<Grad2ParsedFunction>();
19 
26 class Grad2ParsedFunction : public MooseParsedFunction
27 {
28 public:
29  Grad2ParsedFunction(const InputParameters & parameters);
30 
31  virtual Real value(Real t, const Point & pt) const;
32 
33 protected:
35  RealVectorValue _direction;
36 
38  Real _len2;
39 };
Grad2ParsedFunction
returns the central difference approx to the derivative (direction.nabla)^2 function viz (f(t,...
Definition: Grad2ParsedFunction.h:26
Grad2ParsedFunction::Grad2ParsedFunction
Grad2ParsedFunction(const InputParameters &parameters)
Definition: Grad2ParsedFunction.C:29
Grad2ParsedFunction::_len2
Real _len2
|_direction|^2
Definition: Grad2ParsedFunction.h:38
validParams< Grad2ParsedFunction >
InputParameters validParams< Grad2ParsedFunction >()
Definition: Grad2ParsedFunction.C:17
Grad2ParsedFunction::value
virtual Real value(Real t, const Point &pt) const
Definition: Grad2ParsedFunction.C:38
Grad2ParsedFunction::_direction
RealVectorValue _direction
central difference direction
Definition: Grad2ParsedFunction.h:35