CppNoddy::Example::Acoustic_1d_ref Class Reference

Define the system. More...

Inheritance diagram for CppNoddy::Example::Acoustic_1d_ref:

Public Member Functions
	Acoustic_1d_ref ()
	One dimemsional constant coefft acoustic problem. More...
void	flux_fn (const double &x, const DenseVector< double > &q, DenseVector< double > &f) const
	Define the vector flux. More...
double	max_charac_speed (const DenseVector< double > &q) const
	Bound the shock speed. More...
std::vector< bool >	edge_values (const int face_index, const double &x, DenseVector< double > &q, const double &t) const
	edge conditions More...
Public Member Functions inherited from CppNoddy::OneD_Hyperbolic_System
	OneD_Hyperbolic_System (const unsigned &order)
virtual	~OneD_Hyperbolic_System ()
	An empty destructor, virtual since we have virtual methods. More...
virtual void	flux_fn (const double &x, const DenseVector< double > &q, DenseVector< double > &f) const
	A virtual flux function. More...
virtual void	Jac_flux_fn (const double &x, const DenseVector< double > &q, DenseMatrix< double > &J) const
	A virtual function function to define the Jacobian of the flux function. More...
virtual double	max_charac_speed (const DenseVector< double > &q) const
	A virtual method that is used to bound the shock speed and must be implemented by the user. More...
virtual bool_vec	edge_values (const int face_index, const double &x, DenseVector< double > &q, const double &t=0.0) const
	Define the edge boundary conditions. More...
virtual void	source_fn (const double &x, const DenseVector< double > &q, const DenseVector< double > &slope, DenseVector< double > &r) const
unsigned	get_order ()

Additional Inherited Members
Protected Attributes inherited from CppNoddy::OneD_Hyperbolic_System
const std::size_t	ORDER_OF_SYSTEM
	The order of the system of equations. More...

Detailed Description

Define the system.

Definition at line 25 of file HYPAcousticReflection.cpp.

Constructor & Destructor Documentation

Acoustic_1d_ref()

CppNoddy::Example::Acoustic_1d_ref::Acoustic_1d_ref ( )

inline

One dimemsional constant coefft acoustic problem.

Definition at line 31 of file HYPAcousticReflection.cpp.

                        : OneD_Hyperbolic_System( 2 )
      {}

Member Function Documentation

edge_values()

std::vector< bool > CppNoddy::Example::Acoustic_1d_ref::edge_values ( const int  face_index, const double &  x, DenseVector< double > &  q, const double &  t  ) const

inlinevirtual

edge conditions

Reimplemented from CppNoddy::OneD_Hyperbolic_System.

Definition at line 51 of file HYPAcousticReflection.cpp.

      {
        // reflection condition
        std::vector<bool> inflow( q.size(), false );
        q[ u ] = 0.0;
        inflow[ u ] = true;
        return inflow;
      }

References CppNoddy::DenseVector< _Type >::size(), and u.

flux_fn()

void CppNoddy::Example::Acoustic_1d_ref::flux_fn ( const double &  x, const DenseVector< double > &  q, DenseVector< double > &  f  ) const

inlinevirtual

Define the vector flux.

Reimplemented from CppNoddy::OneD_Hyperbolic_System.

Definition at line 35 of file HYPAcousticReflection.cpp.

      {
        f[ p ] = K * q[ u ];
        f[ u ] = q[ p ] / rho;
      }

References f, CppNoddy::Example::K(), p, rho, and u.

max_charac_speed()

double CppNoddy::Example::Acoustic_1d_ref::max_charac_speed ( const DenseVector< double > &  q ) const

inlinevirtual

Bound the shock speed.

Reimplemented from CppNoddy::OneD_Hyperbolic_System.

Definition at line 42 of file HYPAcousticReflection.cpp.

      {
        // sound speeds
        double c = sqrt( K / rho );
        // maximum shock speed
        return c;
      }

References CppNoddy::Example::K(), and rho.

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

• Tests/HYP_1D/HYPAcousticReflection.cpp