Line data    Source code

       1             : //* This file is part of the MOOSE framework
       2             : //* https://mooseframework.inl.gov
       3             : //*
       4             : //* All rights reserved, see COPYRIGHT for full restrictions
       5             : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT
       6             : //*
       7             : //* Licensed under LGPL 2.1, please see LICENSE for details
       8             : //* https://www.gnu.org/licenses/lgpl-2.1.html
       9             : 
      10             : #include "PorousFlowFLACrelperm.h"
      11             : 
      12             : namespace PorousFlowFLACrelperm
      13             : {
      14             : Real
      15     2929283 : dRelativePermeability(Real seff, Real m)
      16             : {
      17     2929283 :   if (seff <= 0.0 || seff >= 1.0)
      18             :     return 0.0;
      19      166495 :   return (1.0 + m) * m * std::pow(seff, m - 1.0) - m * (m + 1.0) * std::pow(seff, m);
      20             : }
      21             : 
      22             : Real
      23           4 : d2RelativePermeability(Real seff, Real m)
      24             : {
      25           4 :   if (seff <= 0.0 || seff >= 1.0)
      26             :     return 0.0;
      27           2 :   return (1.0 + m) * m * (m - 1.0) * std::pow(seff, m - 2.0) -
      28           2 :          m * (m + 1.0) * m * std::pow(seff, m - 1.0);
      29             : }
      30             : }