SemiAnalyticalParticleShifting.h

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#pragma once
#include "Topology/TriangleSet.h"
 
#include "Collision/Attribute.h"
#include "ParticleSystem/Module/ParticleApproximation.h"
 
namespace dyno
{
    template<typename TDataType> class SemiAnalyticalSummationDensity;
    
    template<typename TDataType>
    class SemiAnalyticalParticleShifting : public virtual ParticleApproximation<TDataType>
    {
        DECLARE_TCLASS(SemiAnalyticalParticleShifting, TDataType)
    public:
        typedef typename TDataType::Real Real;
        typedef typename TDataType::Coord Coord;
        typedef typename TopologyModule::Triangle Triangle;
 
        SemiAnalyticalParticleShifting();
        ~SemiAnalyticalParticleShifting() override;
 
    public:
        DEF_VAR(uint, InterationNumber, 10, "");
 
        DEF_VAR(Real, Inertia, Real(0.1), "inertia");
 
        DEF_VAR(Real, Bulk, Real(0.5), "bulk");
 
        DEF_VAR(Real, SurfaceTension, Real(0.03), "surface tension");
 
        DEF_VAR(Real, AdhesionIntensity, Real(30.0), "adhesion");
 
        DEF_VAR(Real, RestDensity, Real(1000.0), "Rest Density");
 
    public:
        DEF_VAR_IN(Real, TimeStep, "Time step size");
 
        DEF_ARRAY_IN(Coord, Position, DeviceType::GPU, "Particle position");
 
        DEF_ARRAY_IN(Coord, Velocity, DeviceType::GPU, "Particle velocity");
 
        DEF_ARRAYLIST_IN(int, NeighborIds, DeviceType::GPU, "");
 
        DEF_ARRAYLIST_IN(int, NeighborTriIds, DeviceType::GPU, "triangle neighbors");
 
        DEF_INSTANCE_IN(TriangleSet<TDataType>, TriangleSet, "");
 
    protected:
        void compute()override;
 
    private:
        DArray<Real> mLambda;
        DArray<Real> mTotalW;
        DArray<Coord> mBoundaryDir;
        DArray<Real> mBoundaryDis;
        DArray<Coord> mDeltaPos;
        DArray<Coord> mPosBuf;
        DArray<Coord> mAdhesionEP;
        std::shared_ptr<SemiAnalyticalSummationDensity<TDataType>> mCalculateDensity;
    };
}