estimate_dt_utility.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics
//
//  License:         BSD License
//                   Kratos default license: kratos/license.txt
//
//  Main authors:    Miguel Maso Sotomayor
//
 
 
#ifndef KRATOS_ESTIMATE_TIME_STEP_UTILITY_H_INCLUDED
#define KRATOS_ESTIMATE_TIME_STEP_UTILITY_H_INCLUDED
 
 
// System includes
 
 
// External includes
 
 
// Project includes
#include "includes/node.h"
#include "geometries/geometry.h"
#include "includes/kratos_parameters.h"
 
 
namespace Kratos
{
 
 
 
 
 
 
class ModelPart;
 
 
class KRATOS_API(SHALLOW_WATER_APPLICATION) EstimateTimeStepUtility
{
public:
 
    KRATOS_CLASS_POINTER_DEFINITION(EstimateTimeStepUtility);
 
    typedef Node NodeType;
 
    typedef Geometry<NodeType> GeometryType;
 
 
    EstimateTimeStepUtility(ModelPart& rThisModelPart, Parameters ThisParameters);
 
    ~EstimateTimeStepUtility(){}
 
 
 
 
    double Execute() const;
 
 
 
 
 
 
    std::string Info() const;
 
    void PrintInfo(std::ostream& rOStream) const;
 
    void PrintData(std::ostream& rOStream) const;
 
 
 
 
 
private:
 
 
 
    const ModelPart& mrModelPart;
    bool mEstimateDt;
    bool mAdaptiveDt;
    double mConstantDt;
    double mCourant;
    double mMinDt;
    double mMaxDt;
 
 
 
 
    double EstimateTimeStep() const;
 
    double ElementCharacteristicTime(const GeometryType& rElement, double Gravity) const;
 
 
 
 
 
 
    EstimateTimeStepUtility& operator=(EstimateTimeStepUtility const& rOther);
 
    EstimateTimeStepUtility(EstimateTimeStepUtility const& rOther);
 
 
 
}; // Class EstimateTimeStepUtility
 
 
 
 
 
 
inline std::istream& operator >> (std::istream& rIStream,
                EstimateTimeStepUtility& rThis);
 
inline std::ostream& operator << (std::ostream& rOStream,
                const EstimateTimeStepUtility& rThis)
{
    rThis.PrintInfo(rOStream);
    rOStream << std::endl;
    rThis.PrintData(rOStream);
 
    return rOStream;
}
 
 
}  // namespace Kratos.
 
#endif // KRATOS_ESTIMATE_TIME_STEP_UTILITY_H_INCLUDED  defined