sensitivity_utilities.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics
//
//  License:         BSD License
//                   Kratos default license: kratos/license.txt
//
//  Main authors:    Suneth Warnakulasuriya
//
 
#if !defined(KRATOS_SENSITIVITY_UTILITIES_H_INCLUDED)
#define KRATOS_SENSITIVITY_UTILITIES_H_INCLUDED
 
// System includes
#include <unordered_map>
#include <vector>
 
// External includes
 
// Project includes
#include "includes/define.h"
#include "includes/model_part.h"
 
namespace Kratos
{
 
class KRATOS_API(KRATOS_CORE) SensitivityUtilities
{
public:
 
    template <class TContainerType>
    static void AssignEntityDerivativesToNodes(
        ModelPart& rModelPart,
        const int DerivativeDimension,
        const Variable<Matrix>& rDerivativeVariable,
        const std::unordered_map<int, std::vector<int>>& rNeighbourNodeIdsMap,
        const double Weight,
        const Flags& rFlag,
        const bool CheckValue = true);
 
private:
 
    static void ComputeEntityGeometryNeighbourNodeMap(
        std::unordered_map<int, std::unordered_map<int, int>>& rDerivativeNodesMap,
        const std::unordered_map<int, std::vector<int>>& rNeighbourNodeIdsMap,
        const Geometry<ModelPart::NodeType>& rEntityGeometry,
        const Flags& rFlag,
        const bool CheckValue);
 
    template<class TContainerType>
    static TContainerType& GetContainer(ModelPart& rModelPart);
 
    static void AddMatrixSubBlock(
        Matrix& rOutput,
        const Matrix& rInput,
        const int RowOffset,
        const int ColOffset);
 
    static void GetMatrixSubBlock(
        Matrix& rOutput,
        const Matrix& rInput,
        const int RowOffset,
        const int Rows,
        const int ColOffset,
        const int Cols);
 
};
} // namespace Kratos
 
#endif // KRATOS_SENSITIVITY_UTILITIES_H_INCLUDED