Nektar++
Static Public Member Functions | Static Public Attributes | Protected Member Functions | List of all members
Nektar::LEEUpwindSolver Class Reference

#include <LEEUpwindSolver.h>

Inheritance diagram for Nektar::LEEUpwindSolver:
[legend]

Static Public Member Functions

static RiemannSolverSharedPtr create (const LibUtilities::SessionReaderSharedPtr &pSession)
 

Static Public Attributes

static std::string solverName
 

Protected Member Functions

 LEEUpwindSolver (const LibUtilities::SessionReaderSharedPtr &pSession)
 
void v_PointSolve (NekDouble pL, NekDouble rhoL, NekDouble rhouL, NekDouble rhovL, NekDouble rhowL, NekDouble pR, NekDouble rhoR, NekDouble rhouR, NekDouble rhovR, NekDouble rhowR, NekDouble c0sqL, NekDouble rho0L, NekDouble u0L, NekDouble v0L, NekDouble w0L, NekDouble c0sqR, NekDouble rho0R, NekDouble u0R, NekDouble v0R, NekDouble w0R, NekDouble &pF, NekDouble &rhoF, NekDouble &rhouF, NekDouble &rhovF, NekDouble &rhowF) override
 Lax-Friedrichs Riemann solver. More...
 
- Protected Member Functions inherited from Nektar::LEESolver
 LEESolver (const LibUtilities::SessionReaderSharedPtr &pSession)
 
void v_Solve (const int nDim, const Array< OneD, const Array< OneD, NekDouble > > &Fwd, const Array< OneD, const Array< OneD, NekDouble > > &Bwd, Array< OneD, Array< OneD, NekDouble > > &flux) override
 
- Protected Member Functions inherited from Nektar::AcousticSolver
 AcousticSolver (const LibUtilities::SessionReaderSharedPtr &pSession)
 
void v_Solve (const int nDim, const Array< OneD, const Array< OneD, NekDouble > > &Fwd, const Array< OneD, const Array< OneD, NekDouble > > &Bwd, Array< OneD, Array< OneD, NekDouble > > &flux) override
 
virtual void v_PointSolve (NekDouble pL, NekDouble rhoL, NekDouble uL, NekDouble vL, NekDouble wL, NekDouble pR, NekDouble rhoR, NekDouble uR, NekDouble vR, NekDouble wR, NekDouble c0sqL, NekDouble rho0L, NekDouble u0L, NekDouble v0L, NekDouble w0L, NekDouble c0sqR, NekDouble rho0R, NekDouble u0R, NekDouble v0R, NekDouble w0R, NekDouble &pF, NekDouble &rhoF, NekDouble &uF, NekDouble &vF, NekDouble &wF)=0
 
void GetRotBasefield (Array< OneD, Array< OneD, NekDouble > > &bfFwd, Array< OneD, Array< OneD, NekDouble > > &bfBwd)
 
- Protected Member Functions inherited from Nektar::SolverUtils::RiemannSolver
SOLVER_UTILS_EXPORT RiemannSolver ()
 
SOLVER_UTILS_EXPORT RiemannSolver (const LibUtilities::SessionReaderSharedPtr &pSession)
 
virtual SOLVER_UTILS_EXPORT ~RiemannSolver ()
 
virtual void v_Solve (const int nDim, const Array< OneD, const Array< OneD, NekDouble > > &Fwd, const Array< OneD, const Array< OneD, NekDouble > > &Bwd, Array< OneD, Array< OneD, NekDouble > > &flux)=0
 
SOLVER_UTILS_EXPORT void GenerateRotationMatrices (const Array< OneD, const Array< OneD, NekDouble > > &normals)
 Generate rotation matrices for 3D expansions. More...
 
void FromToRotation (Array< OneD, const NekDouble > &from, Array< OneD, const NekDouble > &to, NekDouble *mat)
 A function for creating a rotation matrix that rotates a vector from into another vector to. More...
 
SOLVER_UTILS_EXPORT void rotateToNormal (const Array< OneD, const Array< OneD, NekDouble > > &inarray, const Array< OneD, const Array< OneD, NekDouble > > &normals, const Array< OneD, const Array< OneD, NekDouble > > &vecLocs, Array< OneD, Array< OneD, NekDouble > > &outarray)
 Rotate a vector field to trace normal. More...
 
SOLVER_UTILS_EXPORT void rotateFromNormal (const Array< OneD, const Array< OneD, NekDouble > > &inarray, const Array< OneD, const Array< OneD, NekDouble > > &normals, const Array< OneD, const Array< OneD, NekDouble > > &vecLocs, Array< OneD, Array< OneD, NekDouble > > &outarray)
 Rotate a vector field from trace normal. More...
 
SOLVER_UTILS_EXPORT bool CheckScalars (std::string name)
 Determine whether a scalar has been defined in m_scalars. More...
 
SOLVER_UTILS_EXPORT bool CheckVectors (std::string name)
 Determine whether a vector has been defined in m_vectors. More...
 
SOLVER_UTILS_EXPORT bool CheckParams (std::string name)
 Determine whether a parameter has been defined in m_params. More...
 
SOLVER_UTILS_EXPORT bool CheckAuxScal (std::string name)
 Determine whether a scalar has been defined in m_auxScal. More...
 
SOLVER_UTILS_EXPORT bool CheckAuxVec (std::string name)
 Determine whether a vector has been defined in m_auxVec. More...
 
virtual SOLVER_UTILS_EXPORT void v_CalcFluxJacobian (const int nDim, const Array< OneD, const Array< OneD, NekDouble > > &Fwd, const Array< OneD, const Array< OneD, NekDouble > > &Bwd, const Array< OneD, const Array< OneD, NekDouble > > &normals, DNekBlkMatSharedPtr &FJac, DNekBlkMatSharedPtr &BJac)
 

Additional Inherited Members

- Public Member Functions inherited from Nektar::SolverUtils::RiemannSolver
SOLVER_UTILS_EXPORT void Solve (const int nDim, const Array< OneD, const Array< OneD, NekDouble > > &Fwd, const Array< OneD, const Array< OneD, NekDouble > > &Bwd, Array< OneD, Array< OneD, NekDouble > > &flux)
 Perform the Riemann solve given the forwards and backwards spaces. More...
 
template<typename FuncPointerT , typename ObjectPointerT >
void SetScalar (std::string name, FuncPointerT func, ObjectPointerT obj)
 
void SetScalar (std::string name, RSScalarFuncType fp)
 
template<typename FuncPointerT , typename ObjectPointerT >
void SetVector (std::string name, FuncPointerT func, ObjectPointerT obj)
 
void SetVector (std::string name, RSVecFuncType fp)
 
template<typename FuncPointerT , typename ObjectPointerT >
void SetParam (std::string name, FuncPointerT func, ObjectPointerT obj)
 
void SetParam (std::string name, RSParamFuncType fp)
 
template<typename FuncPointerT , typename ObjectPointerT >
void SetAuxScal (std::string name, FuncPointerT func, ObjectPointerT obj)
 
template<typename FuncPointerT , typename ObjectPointerT >
void SetAuxVec (std::string name, FuncPointerT func, ObjectPointerT obj)
 
void SetAuxVec (std::string name, RSVecFuncType fp)
 
std::map< std::string, RSScalarFuncType > & GetScalars ()
 
std::map< std::string, RSVecFuncType > & GetVectors ()
 
std::map< std::string, RSParamFuncType > & GetParams ()
 
SOLVER_UTILS_EXPORT void CalcFluxJacobian (const int nDim, const Array< OneD, const Array< OneD, NekDouble > > &Fwd, const Array< OneD, const Array< OneD, NekDouble > > &Bwd, DNekBlkMatSharedPtr &FJac, DNekBlkMatSharedPtr &BJac)
 Calculate the flux jacobian of Fwd and Bwd. More...
 
- Public Attributes inherited from Nektar::SolverUtils::RiemannSolver
int m_spacedim
 
- Protected Attributes inherited from Nektar::SolverUtils::RiemannSolver
bool m_requiresRotation
 Indicates whether the Riemann solver requires a rotation to be applied to the velocity fields. More...
 
std::map< std::string, RSScalarFuncType > m_scalars
 Map of scalar function types. More...
 
std::map< std::string, RSVecFuncType > m_vectors
 Map of vector function types. More...
 
std::map< std::string, RSParamFuncType > m_params
 Map of parameter function types. More...
 
std::map< std::string, RSScalarFuncType > m_auxScal
 Map of auxiliary scalar function types. More...
 
std::map< std::string, RSVecFuncType > m_auxVec
 Map of auxiliary vector function types. More...
 
Array< OneD, Array< OneD, NekDouble > > m_rotMat
 Rotation matrices for each trace quadrature point. More...
 
Array< OneD, Array< OneD, Array< OneD, NekDouble > > > m_rotStorage
 Rotation storage. More...
 

Detailed Description

Definition at line 47 of file LEEUpwindSolver.h.

Constructor & Destructor Documentation

◆ LEEUpwindSolver()

Nektar::LEEUpwindSolver::LEEUpwindSolver ( const LibUtilities::SessionReaderSharedPtr &  pSession)
protected

Definition at line 50 of file LEEUpwindSolver.cpp.

52 : LEESolver(pSession)
53{
54}
Nektar::LEESolver::LEESolver
LEESolver(const LibUtilities::SessionReaderSharedPtr &pSession)
Definition: LEESolver.cpp:46

Referenced by create().

Member Function Documentation

◆ create()

static RiemannSolverSharedPtr Nektar::LEEUpwindSolver::create ( const LibUtilities::SessionReaderSharedPtr &  pSession)
inlinestatic

Definition at line 50 of file LEEUpwindSolver.h.

52 {
53 return RiemannSolverSharedPtr(new LEEUpwindSolver(pSession));
54 }
Nektar::LEEUpwindSolver::LEEUpwindSolver
LEEUpwindSolver(const LibUtilities::SessionReaderSharedPtr &pSession)
Definition: LEEUpwindSolver.cpp:50
Nektar::SolverUtils::RiemannSolverSharedPtr
std::shared_ptr< RiemannSolver > RiemannSolverSharedPtr
A shared pointer to an EquationSystem object.
Definition: RiemannSolver.h:195

References LEEUpwindSolver().

◆ v_PointSolve()

void Nektar::LEEUpwindSolver::v_PointSolve ( NekDouble  pL,
NekDouble  rhoL,
NekDouble  rhouL,
NekDouble  rhovL,
NekDouble  rhowL,
NekDouble  pR,
NekDouble  rhoR,
NekDouble  rhouR,
NekDouble  rhovR,
NekDouble  rhowR,
NekDouble  c0sqL,
NekDouble  rho0L,
NekDouble  u0L,
NekDouble  v0L,
NekDouble  w0L,
NekDouble  c0sqR,
NekDouble  rho0R,
NekDouble  u0R,
NekDouble  v0R,
NekDouble  w0R,
NekDouble &  pF,
NekDouble &  rhoF,
NekDouble &  rhouF,
NekDouble &  rhovF,
NekDouble &  rhowF 
)
overrideprotectedvirtual

Lax-Friedrichs Riemann solver.

Parameters
pLPerturbation pressure left state
rhoLPerturbation density left state
pRPerturbation pressure right state
rhoRPerturbation density right state
rhouLx perturbation velocity component left state
rhouRx perturbation velocity component right state
rhovLy perturbation velocity component left state
rhovRy perturbation velocity component right state
rhowLz perturbation velocity component left state
rhowRz perturbation velocity component right state
c0sqLBase pressure left state
c0sqRBase pressure right state
rho0LBase density left state
rho0RBase density right state
u0LBase x velocity component left state
u0RBase x velocity component right state
v0LBase y velocity component left state
v0RBase y velocity component right state
w0LBase z velocity component left state
w0RBase z velocity component right state
pFComputed Riemann flux for perturbation pressure
rhoFComputed Riemann flux for perturbation density
rhouFComputed Riemann flux for x perturbation velocity component
rhovFComputed Riemann flux for y perturbation velocity component
rhowFComputed Riemann flux for z perturbation velocity component

Implements Nektar::AcousticSolver.

Definition at line 85 of file LEEUpwindSolver.cpp.

95{
96 // Speed of sound
97 NekDouble c0L = sqrt(c0sqL);
98 NekDouble c0R = sqrt(c0sqR);
99 NekDouble c0M = (c0L + c0R) / 2.0;
100
101 NekDouble u0M = (u0L + u0R) / 2.0;
102
103 pF = 0.0;
104 rhoF = 0.0;
105 rhouF = 0.0;
106 rhovF = 0.0;
107 rhowF = 0.0;
108
109 // lambda_1,2,3
110 if (u0M > 0)
111 {
112 rhoF = rhoF + u0L * (c0sqL * rhoL - pL) / c0sqL;
113 rhovF = rhovF + rhovL * u0L;
114 rhowF = rhowF + rhowL * u0L;
115 }
116 else
117 {
118 rhoF = rhoF + u0R * (c0sqR * rhoR - pR) / c0sqR;
119 rhovF = rhovF + rhovR * u0R;
120 rhowF = rhowF + rhowR * u0R;
121 }
122
123 // lambda_4
124 if (u0M - c0M > 0)
125 {
126 pF = pF + 0.5 * (c0L - u0L) * (rhouL * c0L - pL);
127 rhoF = rhoF + 0.5 * (c0L - u0L) * (rhouL * c0sqL - c0L * pL) /
128 pow(c0sqL, 3.0 / 2.0);
129 rhouF = rhouF + 0.5 * (c0L - u0L) * (-rhouL * c0L + pL) / c0L;
130 }
131 else
132 {
133 pF = pF + 0.5 * (c0R - u0R) * (rhouR * c0R - pR);
134 rhoF = rhoF + 0.5 * (c0R - u0R) * (rhouR * c0sqR - c0R * pR) /
135 pow(c0sqR, 3.0 / 2.0);
136 rhouF = rhouF + 0.5 * (c0R - u0R) * (-rhouR * c0R + pR) / c0R;
137 }
138
139 // lambda_5
140 if (u0M + c0M > 0)
141 {
142 pF = pF + 0.5 * (c0L + u0L) * (rhouL * c0L + pL);
143 rhoF = rhoF + 0.5 * (c0L + u0L) * (rhouL * c0sqL + c0L * pL) /
144 pow(c0sqL, 3.0 / 2.0);
145 rhouF = rhouF + 0.5 * (c0L + u0L) * (rhouL * c0L + pL) / c0L;
146 }
147 else
148 {
149 pF = pF + 0.5 * (c0R + u0R) * (rhouR * c0R + pR);
150 rhoF = rhoF + 0.5 * (c0R + u0R) * (rhouR * c0sqR + c0R * pR) /
151 pow(c0sqR, 3.0 / 2.0);
152 rhouF = rhouF + 0.5 * (c0R + u0R) * (rhouR * c0R + pR) / c0R;
153 }
154}
Nektar::NekDouble
double NekDouble
Definition: NektarUnivTypeDefs.hpp:43
tinysimd::sqrt
scalarT< T > sqrt(scalarT< T > in)
Definition: scalar.hpp:294

References tinysimd::sqrt().

Member Data Documentation

◆ solverName

std::string Nektar::LEEUpwindSolver::solverName
static
Initial value:
=
SolverUtils::GetRiemannSolverFactory().RegisterCreatorFunction(
"LEEUpwind", LEEUpwindSolver::create, "Upwind Solver for LEE")
Nektar::LEEUpwindSolver::create
static RiemannSolverSharedPtr create(const LibUtilities::SessionReaderSharedPtr &pSession)
Definition: LEEUpwindSolver.h:50
Nektar::LibUtilities::NekFactory::RegisterCreatorFunction
tKey RegisterCreatorFunction(tKey idKey, CreatorFunction classCreator, std::string pDesc="")
Register a class with the factory.
Definition: NekFactory.hpp:197
Nektar::SolverUtils::GetRiemannSolverFactory
RiemannSolverFactory & GetRiemannSolverFactory()
Definition: RiemannSolver.cpp:63

Definition at line 56 of file LEEUpwindSolver.h.

Generated on Wed Jan 31 2024 09:36:00 for Nektar++ by doxygen 1.9.4