mpm_explicit_utilities.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ \.
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics
//
//  License:         BSD License
//                   Kratos default license: kratos/license.txt
//
//  Main authors:    Peter Wilson
//
 
#if !defined(KRATOS_MPM_EXPLICIT_UTILITIES)
#define KRATOS_MPM_EXPLICIT_UTILITIES
 
// Project includes
#include "includes/model_part.h"
#include "includes/element.h"
#include "includes/variables.h"
#include "particle_mechanics_application_variables.h"
#include "custom_utilities/particle_mechanics_math_utilities.h"
 
namespace Kratos
{
 
    namespace MPMExplicitUtilities
    {
        typedef std::size_t SizeType;
 
        typedef std::size_t IndexType;
 
        typedef ModelPart::ElementsContainerType ElementsArrayType;
        typedef ModelPart::NodesContainerType NodesArrayType;
        typedef Node NodeType;
        typedef Geometry<NodeType> GeometryType;
 
        void KRATOS_API(PARTICLE_MECHANICS_APPLICATION) CalculateAndAddExplicitInternalForce(const ProcessInfo& rProcessInfo,
            Element& rElement, const Vector& rMPStress, const double rMPVolume,
            const SizeType StrainSize, Vector& rRightHandSideVector);
 
        void KRATOS_API(PARTICLE_MECHANICS_APPLICATION) UpdateGaussPointExplicit(const ProcessInfo& rCurrentProcessInfo,
            Element& rElement);
 
        void KRATOS_API(PARTICLE_MECHANICS_APPLICATION) CalculateMUSLGridVelocity(const ProcessInfo& rCurrentProcessInfo,
            Element& rElement);
 
        void KRATOS_API(PARTICLE_MECHANICS_APPLICATION) CalculateExplicitKinematics(const ProcessInfo& rCurrentProcessInfo,
            Element& rElement, Vector& rMPStrain, Matrix& rDeformationGradient,
            const SizeType StrainSize);
 
        inline void GetCartesianDerivatives(std::vector<Matrix>& rDN_DXVec, GeometryType& rGeom);
    }; // namespace ExplicitIntegrationUtilities
}  // namespace Kratos
#endif /* KRATOS_MPM_EXPLICIT_UTILITIES defined */