/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2017-     Statoil ASA
// 
//  ResInsight is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
// 
//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
//  FITNESS FOR A PARTICULAR PURPOSE.
// 
//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> 
//  for more details.
//
/////////////////////////////////////////////////////////////////////////////////

#pragma once


class RigFractureTransmissibilityEquations
{
public:
    static double               centerToEdgeFractureCellTrans(double conductivity, 
                                                              double sideLengthParallellTrans, 
                                                              double sideLengthNormalTrans,
                                                              double cDarcyForRelevantUnit);

    static double               centerToCenterFractureCellTrans(double conductivityCell1,
                                                                double sideLengthParallellTransCell1,
                                                                double sideLengthNormalTransCell1,
                                                                double conductivityCell2,
                                                                double sideLengthParallellTransCell2,
                                                                double sideLengthNormalTransCell2,
                                                                double cDarcyForRelevantUnit);

    static double               fractureCellToWellRadialTrans(double fractureCellConductivity, 
                                                              double fractureCellSizeX,
                                                              double fractureCellSizeZ,
                                                              double wellRadius, 
                                                              double skinFactor, 
                                                              double cDarcyForRelevantUnit);

    static double               fractureCellToWellLinearTrans(double fractureConductivity,
                                                              double fractureCellSizeX,
                                                              double fractureCellSizeZ,
                                                              double perforationLengthVertical, 
                                                              double perforationLengthHorizontal, 
                                                              double perforationEfficiency,
                                                              double skinfactor,
                                                              double cDarcyForRelevantUnit);

    static double               matrixToFractureTrans(double permX, 
                                                      double NTG, 
                                                      double Ay, 
                                                      double dx, 
                                                      double skinfactor, 
                                                      double fractureAreaWeightedlength, 
                                                      double cDarcy);

};