damping_function.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics
//
//  License:         BSD License
//                   license: OptimizationApplication/license.txt
//
//  Main authors:    Reza Najian Asl
//
 
#pragma once
 
// System includes
#include <string>
#include <functional>
 
// Project includes
#include "includes/define.h"
#include "spaces/ublas_space.h"
 
namespace Kratos
{
 
 
 
class KRATOS_API(OPTIMIZATION_APPLICATION) DampingFunction
{
  public:
 
    using Array3DType = array_1d<double, 3>;
 
    KRATOS_CLASS_POINTER_DEFINITION(DampingFunction);
 
 
    DampingFunction(const std::string& rKernelFunctionType);
 
 
    double ComputeWeight(
        const Array3DType& ICoord,
        const Array3DType& JCoord,
        const double Radius) const;
 
 
  private:
 
    std::function<double (const double, const double)> mFilterFunctional;
    std::string mKernelFunctionType;
 
 
    double inline GetDistance(
        const Array3DType& ICoord,
        const Array3DType& JCoord) const;
 
 
}; // Class DampingFunction
 
 
} // namespace Kratos.