vorticity_utilities.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics 
//
//  License:         BSD License 
//                   Kratos default license: kratos/license.txt
//
//  Main authors:    Michael Andre, https://github.com/msandre
//                   Jordi Cotela
//
 
#if !defined(KRATOS_VORTICITY_UTILITIES_H )
#define  KRATOS_VORTICITY_UTILITIES_H
 
// External includes 
 
// Project includes
#include "includes/define.h"
#include "includes/node.h"
#include "geometries/geometry.h"
 
namespace Kratos
{
 
 
template< std::size_t TDim >
class VorticityUtilities {
public:
 
    KRATOS_CLASS_POINTER_DEFINITION(VorticityUtilities);
 
    typedef Geometry< Node >::ShapeFunctionsGradientsType ShapeFunctionDerivativesArrayType;
 
 
    // Deleted default constructor
    VorticityUtilities() = delete;
    
    VorticityUtilities(VorticityUtilities const& rOther) = delete;
 
    ~VorticityUtilities();
 
 
    VorticityUtilities& operator=(VorticityUtilities const& rOther) = delete;
 
 
    static void CalculateQValue(
        const Geometry<Node>& rGeometry,
        const ShapeFunctionDerivativesArrayType& rShapeFunctionsGradients,
        std::vector<double>& rQValues);
 
    static void CalculateVorticityMagnitude(
        const Geometry<Node>& rGeometry,
        const ShapeFunctionDerivativesArrayType& rShapeFunctionsGradients,
        std::vector<double>& rVorticityMagnitudes);
 
    static void CalculateVorticityVector(
        const Geometry<Node>& rGeometry,
        const ShapeFunctionDerivativesArrayType& rShapeFunctionsGradients,
        std::vector<array_1d<double,3>>& rVorticities);
 
private:
 
 
    static void NodalContributionToVorticityVector(
        const Matrix& rDN_DX,
        const array_1d<double, 3 > & rVelocity,
        const unsigned int iNode,
        array_1d<double,3>& rVorticity);
 
 
};  // Class VorticityUtilities
 
 
  
}  // namespace Kratos.
 
#endif // KRATOS_VORTICITY_UTILITIES_H  defined