stokes_drag_law.h

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// Author: Guillermo Casas (gcasas@cimne.upc.edu)
// Date: February 2019
 
#if !defined(SDEM_STOKES_DRAG_LAW_H_INCLUDED)
#define SDEM_STOKES_DRAG_LAW_H_INCLUDED
 
#include "drag_law.h"
#include "../DEMApplication/custom_elements/spheric_particle.h"
 
namespace Kratos {
 
    class KRATOS_API(SWIMMING_DEM_APPLICATION) StokesDragLaw : public DragLaw {
 
    public:
        typedef Node NodeType;
        KRATOS_CLASS_POINTER_DEFINITION(StokesDragLaw);
 
        StokesDragLaw(){}
 
        StokesDragLaw(Parameters r_parameters){}
 
        ~StokesDragLaw(){}
 
        DragLaw::Pointer Clone() const override;
 
        void Initialize(const ProcessInfo& r_process_info) override;
 
        std::string GetTypeOfLaw() override;
 
        void ComputeForce(SphericParticle* p_particle,
                          const double reynolds_number,
                          double particle_radius,
                          double fluid_density,
                          double fluid_kinematic_viscosity,
                          array_1d<double, 3>& minus_slip_velocity,
                          array_1d<double, 3>& drag_force,
                          const ProcessInfo& r_current_process_info) override;
 
    private:
 
        friend class Serializer;
 
        virtual void save(Serializer& rSerializer) const override {
            KRATOS_SERIALIZE_SAVE_BASE_CLASS(rSerializer, DragLaw)
        }
 
        virtual void load(Serializer& rSerializer) override {
            KRATOS_SERIALIZE_LOAD_BASE_CLASS(rSerializer, DragLaw)
        }
 
    }; //class StokesDragLaw
 
} // Namespace Kratos
 
#endif /* SDEM_STOKES_DRAG_LAW_H_INCLUDED  defined */