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

A global linear system. More...

#include <TerminalOutflow.h>

Inheritance diagram for Nektar::TerminalOutflow:
[legend]

Public Member Functions

 TerminalOutflow (Array< OneD, MultiRegions::ExpListSharedPtr > pVessel, const LibUtilities::SessionReaderSharedPtr pSession, PulseWavePressureAreaSharedPtr pressureArea)
 
virtual ~TerminalOutflow ()
 
- Public Member Functions inherited from Nektar::PulseWaveBoundary
 PulseWaveBoundary (Array< OneD, MultiRegions::ExpListSharedPtr > &pVessel, const LibUtilities::SessionReaderSharedPtr &pSession, PulseWavePressureAreaSharedPtr &pressureArea)
 
virtual ~PulseWaveBoundary ()
 
void DoBoundary (const Array< OneD, const Array< OneD, NekDouble >> &inarray, Array< OneD, Array< OneD, NekDouble >> &A_0, Array< OneD, Array< OneD, NekDouble >> &beta, Array< OneD, Array< OneD, NekDouble >> &alpha, const NekDouble time, int omega, int offset, int n)
 

Static Public Member Functions

static PulseWaveBoundarySharedPtr create (Array< OneD, MultiRegions::ExpListSharedPtr > &pVessel, const LibUtilities::SessionReaderSharedPtr &pSession, PulseWavePressureAreaSharedPtr &pressureArea)
 

Static Public Attributes

static std::string className
 

Protected Member Functions

virtual void v_DoBoundary (const Array< OneD, const Array< OneD, NekDouble >> &inarray, Array< OneD, Array< OneD, NekDouble >> &A_0, Array< OneD, Array< OneD, NekDouble >> &beta, Array< OneD, Array< OneD, NekDouble >> &alpha, const NekDouble time, int omega, int offset, int n)
 

Additional Inherited Members

- Protected Attributes inherited from Nektar::PulseWaveBoundary
Array< OneD, MultiRegions::ExpListSharedPtrm_vessels
 
LibUtilities::SessionReaderSharedPtr m_session
 
PulseWavePressureAreaSharedPtr m_pressureArea
 
NekDouble m_pext
 
NekDouble m_pout
 
NekDouble m_rho
 

Detailed Description

A global linear system.

Definition at line 52 of file TerminalOutflow.h.

Constructor & Destructor Documentation

◆ TerminalOutflow()

Nektar::TerminalOutflow::TerminalOutflow ( Array< OneD, MultiRegions::ExpListSharedPtr pVessel,
const LibUtilities::SessionReaderSharedPtr  pSession,
PulseWavePressureAreaSharedPtr  pressureArea 
)

Definition at line 48 of file TerminalOutflow.cpp.

52  : PulseWaveBoundary(pVessel, pSession, pressureArea)
53 {
54 }
PulseWaveBoundary(Array< OneD, MultiRegions::ExpListSharedPtr > &pVessel, const LibUtilities::SessionReaderSharedPtr &pSession, PulseWavePressureAreaSharedPtr &pressureArea)

◆ ~TerminalOutflow()

Nektar::TerminalOutflow::~TerminalOutflow ( )
virtual

Definition at line 56 of file TerminalOutflow.cpp.

57 {
58 }

Member Function Documentation

◆ create()

static PulseWaveBoundarySharedPtr Nektar::TerminalOutflow::create ( Array< OneD, MultiRegions::ExpListSharedPtr > &  pVessel,
const LibUtilities::SessionReaderSharedPtr pSession,
PulseWavePressureAreaSharedPtr pressureArea 
)
inlinestatic

Definition at line 56 of file TerminalOutflow.h.

60  {
62  pVessel, pSession, pressureArea);
63  }
static std::shared_ptr< DataType > AllocateSharedPtr(const Args &...args)
Allocate a shared pointer from the memory pool.

References Nektar::MemoryManager< DataType >::AllocateSharedPtr().

◆ v_DoBoundary()

void Nektar::TerminalOutflow::v_DoBoundary ( const Array< OneD, const Array< OneD, NekDouble >> &  inarray,
Array< OneD, Array< OneD, NekDouble >> &  A_0,
Array< OneD, Array< OneD, NekDouble >> &  beta,
Array< OneD, Array< OneD, NekDouble >> &  alpha,
const NekDouble  time,
int  omega,
int  offset,
int  n 
)
protectedvirtual

Implements Nektar::PulseWaveBoundary.

Definition at line 60 of file TerminalOutflow.cpp.

66 {
67  NekDouble A_r;
68  NekDouble A_l;
69  NekDouble u_r;
70  NekDouble u_l;
71  NekDouble RT;
72  NekDouble W1;
73 
74  Array<OneD, MultiRegions::ExpListSharedPtr> vessel(2);
75 
76  // Pointers to the domains
77  vessel[0] = m_vessels[2 * omega];
78  vessel[1] = m_vessels[2 * omega + 1];
79 
80  /* Find the terminal resistance boundary condition and
81  * calculate the reflection. We assume A_r = A_l and
82  * apply the reflection in u_r after Jordi Alastruey's
83  * PhD thesis. Stems from R = -W2 / W1.
84  */
85 
86  // Note: The R_t value is contained in A in the inputfile
87  RT = (vessel[0]->UpdateBndCondExpansion(n))->GetCoeffs()[0];
88 
89  ASSERTL0((-1 <= RT && RT <= 1), "RT must be between -1 and 1");
90  int nq = vessel[0]->GetTotPoints();
91 
92  // Get the left values A and u, and the forward characteristic
93  A_l = inarray[0][offset + nq - 1];
94  u_l = inarray[1][offset + nq - 1];
95 
96  m_pressureArea->GetW1(W1, u_l, beta[omega][nq - 1], A_l, A_0[omega][nq - 1],
97  alpha[omega][nq - 1]);
98 
99  // Calculate the boundary values
100  A_r = A_l;
101  u_r = (1 - RT) * W1 - u_l;
102 
103  // Store the new values in the boundary condition
104  (vessel[0]->UpdateBndCondExpansion(n))->UpdatePhys()[0] = A_r;
105  (vessel[1]->UpdateBndCondExpansion(n))->UpdatePhys()[0] = u_r;
106 }
#define ASSERTL0(condition, msg)
Definition: ErrorUtil.hpp:215
Array< OneD, MultiRegions::ExpListSharedPtr > m_vessels
PulseWavePressureAreaSharedPtr m_pressureArea
@ beta
Gauss Radau pinned at x=-1,.
Definition: PointsType.h:61
double NekDouble

References ASSERTL0, Nektar::LibUtilities::beta, Nektar::PulseWaveBoundary::m_pressureArea, and Nektar::PulseWaveBoundary::m_vessels.

Member Data Documentation

◆ className

std::string Nektar::TerminalOutflow::className
static
Initial value:
=
"Terminal outflow boundary condition")
tKey RegisterCreatorFunction(tKey idKey, CreatorFunction classCreator, std::string pDesc="")
Register a class with the factory.
Definition: NekFactory.hpp:198
static PulseWaveBoundarySharedPtr create(Array< OneD, MultiRegions::ExpListSharedPtr > &pVessel, const LibUtilities::SessionReaderSharedPtr &pSession, PulseWavePressureAreaSharedPtr &pressureArea)
BoundaryFactory & GetBoundaryFactory()

Definition at line 66 of file TerminalOutflow.h.