derivatives_recovery_utility.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics
//
//  License:         BSD License
//                   Kratos default license: kratos/license.txt
//
//  Main authors:    Miguel Maso Sotomayor
//
 
#ifndef KRATOS_DERIVATIVES_RECOVERY_UTILITY_H_INCLUDED
#define KRATOS_DERIVATIVES_RECOVERY_UTILITY_H_INCLUDED
 
// System includes
#include <unordered_set>
 
 
// External includes
 
 
// Project includes
#include "includes/define.h"
#include "includes/node.h"
 
 
namespace Kratos
{
 
 
class ModelPart;
 
template<std::size_t TDim>
class KRATOS_API(SHALLOW_WATER_APPLICATION) DerivativesRecoveryUtility
{
public:
 
    typedef Node NodeType;
 
 
    KRATOS_CLASS_POINTER_DEFINITION(DerivativesRecoveryUtility);
 
 
 
    static void Check(ModelPart& rModelPart);
 
    static void CheckRequiredNeighborsPatch(ModelPart& rModelPart);
 
    static void ExtendNeighborsPatch(ModelPart& rModelPart, const std::size_t RequiredNeighbors);
 
    static void CalculatePolynomialWeights(ModelPart& rModelPart);
 
    static void RecoverDivergence(
        ModelPart& rModelPart,
        const Variable<array_1d<double,3>>& rOriginVariable,
        const Variable<double>& rDestinationVariable,
        const std::size_t BufferStep = 0);
 
    static void RecoverGradient(
        ModelPart& rModelPart,
        const Variable<double>& rOriginVariable,
        const Variable<array_1d<double,3>>& rDestinationVariable,
        const std::size_t BufferStep = 0);
 
    static void RecoverLaplacian(
        ModelPart& rModelPart,
        const Variable<double>& rOriginVariable,
        const Variable<double>& rDestinationVariable,
        const std::size_t BufferStep = 0);
 
    static void RecoverLaplacian(
        ModelPart& rModelPart,
        const Variable<array_1d<double,3>>& rOriginVariable,
        const Variable<array_1d<double,3>>& rDestinationVariable,
        const std::size_t BufferStep = 0);
 
 
 
 
 
 
private:
 
 
 
 
 
 
 
    static double CalculateMaximumDistance(
        const NodeType& rNode,
        GlobalPointersVector<NodeType>& rNeighbors);
 
    static void FindExtendedNeighbors(
        NodeType& rNode,
        GlobalPointersVector<NodeType>& rNeighbors,
        std::unordered_set<int>& rExtendedNeighborsId);
 
    static void AppendExtendedNeighbors(
        ModelPart& rModelPart,
        GlobalPointersVector<NodeType>& rNeighbors,
        std::unordered_set<int>& rExtendedNeighborsId);
 
    static bool CalculateNodalPolynomialWeights(
        NodeType& rNode);
 
    static bool GeneralizedInvertMatrix(
        Matrix& rInputMatrix,
        Matrix& rResult);
 
 
 
 
}; // Class DerivativesRecoveryUtility
 
 
 
 
 
 
 
}  // namespace Kratos.
 
#endif // KRATOS_DERIVATIVES_RECOVERY_UTILITY_H_INCLUDED defined