Nektar++
NonlinearSWESolver.cpp
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1///////////////////////////////////////////////////////////////////////////////
2//
3// File: NonlinearSWESolver.cpp
4//
5// For more information, please see: http://www.nektar.info
6//
7// The MIT License
8//
9// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
10// Department of Aeronautics, Imperial College London (UK), and Scientific
11// Computing and Imaging Institute, University of Utah (USA).
12//
13// Permission is hereby granted, free of charge, to any person obtaining a
14// copy of this software and associated documentation files (the "Software"),
15// to deal in the Software without restriction, including without limitation
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17// and/or sell copies of the Software, and to permit persons to whom the
18// Software is furnished to do so, subject to the following conditions:
19//
20// The above copyright notice and this permission notice shall be included
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22//
23// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
24// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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29// DEALINGS IN THE SOFTWARE.
30//
31// Description: Shallow water Riemann solver.
32//
33///////////////////////////////////////////////////////////////////////////////
34
36
37namespace Nektar
38{
39
42 : RiemannSolver(pSession), m_pointSolve(true)
43{
44 m_requiresRotation = true;
45}
46
48 [[maybe_unused]] const int nDim,
49 const Array<OneD, const Array<OneD, NekDouble>> &Fwd,
50 const Array<OneD, const Array<OneD, NekDouble>> &Bwd,
52{
53 if (m_pointSolve)
54 {
55 int expDim = Fwd.size() - 1;
56 NekDouble hvf;
57
58 if (expDim == 1)
59 {
60 for (int i = 0; i < Fwd[0].size(); ++i)
61 {
62 v_PointSolve(Fwd[0][i], Fwd[1][i], 0.0, Bwd[0][i], Bwd[1][i],
63 0.0, flux[0][i], flux[1][i], hvf);
64 }
65 }
66 else if (expDim == 2)
67 {
68 for (int i = 0; i < Fwd[0].size(); ++i)
69 {
70 v_PointSolve(Fwd[0][i], Fwd[1][i], Fwd[2][i], Bwd[0][i],
71 Bwd[1][i], Bwd[2][i], flux[0][i], flux[1][i],
72 flux[2][i]);
73 }
74 }
75 else if (expDim == 3)
76 {
77 ASSERTL0(false, "No 3D Shallow water supported.");
78 }
79 }
80 else
81 {
82 v_ArraySolve(Fwd, Bwd, flux);
83 }
84}
85
86} // namespace Nektar
#define ASSERTL0(condition, msg)
Definition: ErrorUtil.hpp:208
NonlinearSWESolver(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 hL, NekDouble huL, NekDouble hvL, NekDouble hR, NekDouble huR, NekDouble hvR, NekDouble &hf, NekDouble &huf, NekDouble &hvf)
virtual void v_ArraySolve(const Array< OneD, const Array< OneD, NekDouble > > &Fwd, const Array< OneD, const Array< OneD, NekDouble > > &Bwd, Array< OneD, Array< OneD, NekDouble > > &flux)
The RiemannSolver class provides an abstract interface under which solvers for various Riemann proble...
Definition: RiemannSolver.h:58
bool m_requiresRotation
Indicates whether the Riemann solver requires a rotation to be applied to the velocity fields.
std::shared_ptr< SessionReader > SessionReaderSharedPtr
double NekDouble