Added TurbulenceModelFactory

src/gpu/VirtualFluids_GPU/TurbulenceModels/TurbulenceModelFactory.cpp

+#include "TurbulenceModelFactory.h"
+#include "GPU/TurbulentViscosity.h"
+#include "Parameter/Parameter.h"
+#include <variant>
+
+void TurbulenceModelFactory::setTurbulenceModel(const TurbulenceModelFactory::TurbulenceModel _turbulenceModel)
+{
+    this->turbulenceModel = _turbulenceModel;
+}
+
+TurbulenceModelFactory::TurbulenceModel TurbulenceModelFactory::getTurbulenceModel()
+{
+    return this->turbulenceModel;
+}
+
+turbulenceModelKernel TurbulenceModelFactory::getTurbulenceModelKernel() const
+{
+    switch (this->turbulenceModel) {
+        case TurbulenceModel::AMD:
+            return calcTurbulentViscosityAMD;
+            break;
+        default:
+            return nullptr;
+    }
+}
+
+

src/gpu/VirtualFluids_GPU/TurbulenceModels/TurbulenceModelFactory.h

+//=======================================================================================
+// ____          ____    __    ______     __________   __      __       __        __
+// \    \       |    |  |  |  |   _   \  |___    ___| |  |    |  |     /  \      |  |
+//  \    \      |    |  |  |  |  |_)   |     |  |     |  |    |  |    /    \     |  |
+//   \    \     |    |  |  |  |   _   /      |  |     |  |    |  |   /  /\  \    |  |
+//    \    \    |    |  |  |  |  | \  \      |  |     |   \__/   |  /  ____  \   |  |____
+//     \    \   |    |  |__|  |__|  \__\     |__|      \________/  /__/    \__\  |_______|
+//      \    \  |    |   ________________________________________________________________
+//       \    \ |    |  |  ______________________________________________________________|
+//        \    \|    |  |  |         __          __     __     __     ______      _______
+//         \         |  |  |_____   |  |        |  |   |  |   |  |   |   _  \    /  _____)
+//          \        |  |   _____|  |  |        |  |   |  |   |  |   |  | \  \   \_______
+//           \       |  |  |        |  |_____   |   \_/   |   |  |   |  |_/  /    _____  |
+//            \ _____|  |__|        |________|   \_______/    |__|   |______/    (_______/
+//
+//  This file is part of VirtualFluids. VirtualFluids is free software: you can
+//  redistribute it and/or modify it under the terms of the GNU General Public
+//  License as published by the Free Software Foundation, either version 3 of
+//  the License, or (at your option) any later version.
+//
+//  VirtualFluids is distributed in the hope that it will be useful, but WITHOUT
+//  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+//  for more details.
+//
+//  You should have received a copy of the GNU General Public License along
+//  with VirtualFluids (see COPYING.txt). If not, see <http://www.gnu.org/licenses/>.
+//
+//! \file TurbulentViscosityFactory.h
+//! \ingroup TurbulentViscosity
+//! \author Henrik Asmuth
+//=======================================================================================#ifndef BC_FACTORY
+#ifndef TurbulenceModelFactory_H
+#define TurbulenceModelFactory_H
+
+#include <functional>
+#include <map>
+#include <string>
+#include <variant>
+
+#include "LBM/LB.h"
+#include "Parameter/Parameter.h"
+
+
+struct LBMSimulationParameter;
+class Parameter;
+
+using turbulenceModelKernel = std::function<void(Parameter *, int )>;
+
+class TurbulenceModelFactory
+{
+public:
+    //! \brief An enumeration for selecting a turbulence model
+    enum class TurbulenceModel {
+        //! - AMD (Anisotropic Minimum Dissipation) model, see e.g. Rozema et al., Phys. Fluids 27, 085107 (2015), https://doi.org/10.1063/1.4928700
+        AMD,
+        //! - Smagorinsky
+        Smagorinsky,
+        //! - QR model by Verstappen 
+        QR,
+        //! - TODO: move the model here from the old kernels
+        //WALE
+        //! - No turbulence model
+        None
+    };
+ 
+    void setTurbulenceModel(const TurbulenceModelFactory::TurbulenceModel _turbulenceModel);
+    // void setModelConstant(const real modelConstant);
+
+    TurbulenceModelFactory::TurbulenceModel getTurbulenceModel();
+    [[nodiscard]] turbulenceModelKernel getTurbulenceModelKernel() const;
+
+private:
+    TurbulenceModelFactory::TurbulenceModel turbulenceModel = TurbulenceModel::None;
+
+};
+
+#endif