Parabolic profile. More...

#include <parabolic_profile.h>

Inheritance diagram for GRINS::ParabolicProfile:

Collaboration diagram for GRINS::ParabolicProfile:

Public Member Functions
	ParabolicProfile ()
	Default constructor. More...

	ParabolicProfile (const double a, const double b, const double c, const double d, const double e, const double f)

virtual	~ParabolicProfile ()

virtual libMesh::AutoPtr< libMesh::FunctionBase< libMesh::Number > >	clone () const

virtual libMesh::Number	operator() (const libMesh::Point &p, const libMesh::Real time)

virtual void	operator() (const libMesh::Point &p, const libMesh::Real time, libMesh::DenseVector< libMesh::Number > &output)

virtual libMesh::Number	component (unsigned int i, const libMesh::Point &p, const libMesh::Real time)

Protected Member Functions
double	eval (const double a, const double b, const double c, const double d, const double e, const double f, const double x, const double y)

Protected Attributes
double	_a
	Coefficients defining parabola. More...

double	_b

double	_c

double	_d

double	_e

double	_f

Detailed Description

Parabolic profile.

Generic parabolic profile. Mainly used for defining inflow boundary conditions. Parabola takes the form: $ ax^2 + bxy + cy^2 + dx + ey + f $

Todo:: Need to incorporate z-directions

Definition at line 42 of file parabolic_profile.h.

Constructor & Destructor Documentation

GRINS::ParabolicProfile::ParabolicProfile ( )

Default constructor.

Default constructor sets parameters for the profile: value = $ 4y(1-y) $

Definition at line 35 of file parabolic_profile.C.

Referenced by clone().

     : libMesh::FunctionBase<libMesh::Number>(),
       _a(0.0), _b(0.0), _c(-4.0), _d(0.0), _e(4.0), _f(0.0)
   {
     _initialized=true;
     return;
   }

GRINS::ParabolicProfile::ParabolicProfile	(	const double	a,
		const double	b,
		const double	c,
		const double	d,
		const double	e,
		const double	f
	)

Definition at line 43 of file parabolic_profile.C.

     : libMesh::FunctionBase<libMesh::Number>(),
       _a(a), _b(b), _c(c), _d(d), _e(e), _f(f)
   {
     _initialized=true;
     return;
   }

GRINS::ParabolicProfile::~ParabolicProfile ( )

virtual

Definition at line 52 of file parabolic_profile.C.

   {
     return;
   }

Member Function Documentation

libMesh::AutoPtr< libMesh::FunctionBase< libMesh::Number > > GRINS::ParabolicProfile::clone ( ) const

virtual

Definition at line 57 of file parabolic_profile.C.

References _a, _b, _c, _d, _e, _f, and ParabolicProfile().

   {
     return libMesh::AutoPtr< libMesh::FunctionBase<libMesh::Number> >( new ParabolicProfile( _a, _b, _c, _d, _e, _f ) );
   }

libMesh::Number GRINS::ParabolicProfile::component	(	unsigned int	i,
		const libMesh::Point &	p,
		const libMesh::Real	time
	)

virtual

Definition at line 82 of file parabolic_profile.C.

   {
     return (*this)(p, time);
   }

double GRINS::ParabolicProfile::eval	(	const double	a,
		const double	b,
		const double	c,
		const double	d,
		const double	e,
		const double	f,
		const double	x,
		const double	y
	)

inlineprotected

Definition at line 69 of file parabolic_profile.h.

Referenced by operator()().

     {
       return a*x*x + b*x*y + c*y*y + d*x + e*y + f;
     };

libMesh::Number GRINS::ParabolicProfile::operator()	(	const libMesh::Point &	p,
		const libMesh::Real	time
	)

virtual

Definition at line 62 of file parabolic_profile.C.

References _a, _b, _c, _d, _e, _f, and eval().

   {
     const double x = p(0);
     const double y = p(1);
   
     return this->eval( _a, _b, _c, _d, _e, _f, x, y );
   }

void GRINS::ParabolicProfile::operator()	(	const libMesh::Point &	p,
		const libMesh::Real	time,
		libMesh::DenseVector< libMesh::Number > &	output
	)

virtual

Definition at line 71 of file parabolic_profile.C.

   {
     for( unsigned int i = 0; i < output.size(); i++ )
       {
         output(i) = (*this)(p, time);
       }
     return;
   }

Member Data Documentation

double GRINS::ParabolicProfile::_a

protected

Coefficients defining parabola.

Definition at line 74 of file parabolic_profile.h.

Referenced by clone(), and operator()().

double GRINS::ParabolicProfile::_b

protected

Definition at line 74 of file parabolic_profile.h.

Referenced by clone(), and operator()().

double GRINS::ParabolicProfile::_c

protected

Definition at line 74 of file parabolic_profile.h.

Referenced by clone(), and operator()().

double GRINS::ParabolicProfile::_d

protected

Definition at line 74 of file parabolic_profile.h.

Referenced by clone(), and operator()().

double GRINS::ParabolicProfile::_e

protected

Definition at line 74 of file parabolic_profile.h.

Referenced by clone(), and operator()().

double GRINS::ParabolicProfile::_f

protected

Definition at line 74 of file parabolic_profile.h.

Referenced by clone(), and operator()().

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

src/boundary_conditions/include/grins/parabolic_profile.h
src/boundary_conditions/src/parabolic_profile.C

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation