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 "PHAux.h"
      11             : 
      12             : registerMooseObject("ChemicalReactionsApp", PHAux);
      13             : 
      14             : InputParameters
      15         205 : PHAux::validParams()
      16             : {
      17         205 :   InputParameters params = AuxKernel::validParams();
      18         410 :   params.addRequiredCoupledVar("h_conc", "The molar concentration of free H+ ions in solution");
      19         410 :   params.addCoupledVar("activity_coeff", 1.0, "Activity coefficient of H+. Default is 1");
      20         205 :   params.addClassDescription("pH of solution");
      21         205 :   return params;
      22           0 : }
      23             : 
      24         110 : PHAux::PHAux(const InputParameters & parameters)
      25         110 :   : AuxKernel(parameters), _hplus(coupledValue("h_conc")), _gamma(coupledValue("activity_coeff"))
      26             : {
      27         110 : }
      28             : 
      29             : Real
      30       11456 : PHAux::computeValue()
      31             : {
      32             :   mooseAssert(_gamma[_qp] * _hplus[_qp] > 0.0, "Negative activity in pH is not possible");
      33       11456 :   return -std::log10(_gamma[_qp] * _hplus[_qp]);
      34             : }