GridGenerator.h

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//=======================================================================================
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//
//  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.
//
//  SPDX-License-Identifier: GPL-3.0-or-later
//  SPDX-FileCopyrightText: Copyright © VirtualFluids Project contributors, see AUTHORS.md in root folder
//
//=======================================================================================
#ifndef GridReaderGenerator_H
#define GridReaderGenerator_H
 
#include "../GridProvider.h"
 
#include <string>
#include <vector>
 
#include "Calculation/Calculation.h"
 
namespace vf::parallel
{
class Communicator;
}
 
 
namespace vf::gpu {
    
class Parameter;
class GridBuilder;
class IndexRearrangementForStreams;
class InterpolationCellGrouper;
class BoundaryConditionFactory;
 
class GridGenerator
    : public GridProvider
{
private:
    std::vector<std::string> channelDirections;
    std::vector<std::string> channelBoundaryConditions;
 
    std::shared_ptr<GridBuilder> builder;
    std::unique_ptr<const IndexRearrangementForStreams> indexRearrangement;
    std::unique_ptr<const InterpolationCellGrouper> interpolationGrouper;
    const uint mpiProcessID;
 
public:
    GridGenerator(std::shared_ptr<GridBuilder> builder, std::shared_ptr<Parameter> para, std::shared_ptr<CudaMemoryManager> cudaMemoryManager, vf::parallel::Communicator& communicator);
    ~GridGenerator() override;
    void setIndexRearrangementForStreams(std::unique_ptr<IndexRearrangementForStreams>&& indexRearrangement);
 
    void allocArrays_CoordNeighborGeo() override;
    void allocArrays_BoundaryValues(const BoundaryConditionFactory* bcFactory) override;
    void allocArrays_BoundaryQs() override;
    void allocArrays_OffsetScale() override;
    void allocArrays_taggedFluidNodes() override;
 
    void tagFluidNodeIndices(const std::vector<uint>& taggedFluidNodeIndices, CollisionTemplate tag, uint level) override;
    void sortFluidNodeTags() override;
 
    virtual void setDimensions() override;
    virtual void setBoundingBox() override;
 
    virtual void initPeriodicNeigh(std::vector<std::vector<std::vector<unsigned int> > > periodV, std::vector<std::vector<unsigned int> > periodIndex, std::string way) override;
    void initalGridInformations() override;
 
private:
    void setPressureValues(int channelSide) const;
    void setPressRhoBC(int sizePerLevel, int level, int channelSide) const;
 
    void setVelocityValues(int channelSide) const;
    void setVelocity(int level, int sizePerLevel, int channelSide) const;
 
    void setOutflowValues(int channelSide) const;
    void setOutflow(int level, int sizePerLevel, int channelSide) const;
 
    void setPressQs(int channelSide) const;
    void setVelocityQs(int channelSide) const;
    void setOutflowQs(int channelSide) const;
    void setNoSlipQs(int channelSide) const;
    void setGeoQs() const;
    void modifyQElement(int channelSide, unsigned int level) const;
 
    void initalQStruct(QforBoundaryConditions& Q,int channelSide, unsigned int level) const;
    void printQSize(std::string bc,int channelSide, unsigned int level) const;
    void setSizeNoSlip(int channelSide, unsigned int level) const;
    void setSizeGeoQs(unsigned int level) const;
    void setQ27Size(QforBoundaryConditions &Q, real* QQ, unsigned int sizeQ) const;
    bool hasQs(int channelSide, unsigned int level) const;
 
    void initalValuesDomainDecompostion();
 
    void initPressureBoundaryCondition();
    void initDirectionalPressureBoundaryConditions();
 
    void initDirectionalConcentrationBoundaryConditions();
 
    void initSubgridDistancesOfPressureBoundaryCondition(uint level);
    void initSubgridDistancesOfDirectionalPressureBoundaryCondition(uint level);
 
    std::string verifyNeighborIndices(int level) const;
    std::string verifyNeighborIndex(int level, int index, int &invalidNodes, int &stopperNodes, int &wrongNeighbors) const;
    std::string checkNeighbor(int level, real x, real y, real z, int index, int& numberOfWrongNeihgbors, int neighborIndex, real neighborX, real neighborY, real neighborZ, std::string direction) const;
 
    static void getPointersToBoundaryConditions(real** subgridDistancesInDirections, real* subgridDistances, const unsigned int numberOfBCnodes);
    static void initPointersToSubgridDistances(QforBoundaryConditions& boundaryCondition);
    static void initPointersToSubgridDistances(QforDirectionalBoundaryCondition& boundaryCondition);
    static void initPointersToSubgridDistances(QforDirectionalADBoundaryCondition& boundaryCondition);
 
private:
    friend class GridGeneratorTests_initalValuesDomainDecompostion;
};
 
}
 
#endif