Location: pH control @ b2146c6c6b06 / pHcontrol.cellml

Author:
Randall Britten <r.britten@auckland.ac.nz>
Date:
2013-12-05 16:29:47+13:00
Desc:
Added ?SaveDefinitions -> True? to ?Manipulate? blocks so that CDF export works.
Permanent Source URI:
https://models.physiomeproject.org/workspace/178/rawfile/b2146c6c6b06de44ace1035d9cbcd1d68d199808/pHcontrol.cellml

<?xml version="1.0"?>
<model xmlns="http://www.cellml.org/cellml/1.1#" xmlns:cmeta="http://www.cellml.org/metadata/1.0#" cmeta:id="pHcontrol" name="pHcontrol">
  <component name="Environment">
    <variable name="Time" public_interface="out" units="second"/>
  </component>
  <component name="Flux">
    <variable initial_value="initialCO2mM" name="CO2" public_interface="out" units="mM"/>
    <variable initial_value="initialHCO3mM" name="HCO3" units="mM"/>
    <variable initial_value="initialH" name="H" units="mM"/>
    <variable name="kf" units="per_second"/>
    <variable name="kb" units="per_mM_per_second"/>
    <variable name="J" units="mM_per_second"/>
    <variable name="Time" public_interface="in" units="second"/>
    <math xmlns="http://www.w3.org/1998/Math/MathML" id="ReactionRates">
      <apply id="ReactionFlux">
        <eq/>
        <ci>J
        </ci>
        <apply>
          <minus/>
          <apply>
            <times/>
            <ci>kf
            </ci>
            <ci>CO2
            </ci>
          </apply>
          <apply>
            <times/>
            <ci>kb
            </ci>
            <ci>HCO3
            </ci>
            <ci>H
            </ci>
          </apply>
        </apply>
      </apply>
      <apply id="CO2 ODE">
        <eq/>
        <apply>
          <diff/>
          <bvar>
            <ci>Time
            </ci>
          </bvar>
          <ci>CO2
          </ci>
        </apply>
        <apply>
          <minus/>
          <ci>CO2source
          </ci>
          <ci>CO2sink
          </ci>
        </apply>
      </apply>
      <apply id="HCO3 ODE">
        <eq/>
        <apply>
          <diff/>
          <bvar>
            <ci>Time
            </ci>
          </bvar>
          <ci>HCO3
          </ci>
        </apply>
        <ci>J
        </ci>
      </apply>
      <apply id="H ODE">
        <eq/>
        <apply>
          <diff/>
          <bvar>
            <ci>Time
            </ci>
          </bvar>
          <ci>H
          </ci>
        </apply>
        <apply>
          <plus/>
          <ci>J
          </ci>
          <ci>protonSource
          </ci>
        </apply>
      </apply>
      <apply>
        <eq/>
        <ci>pK
        </ci>
        <cn xmlns:cellml="http://www.cellml.org/cellml/1.1#" cellml:units="dimensionless">6.1
        </cn>
      </apply>
      <apply id="pK to equilibrium constant">
        <eq/>
        <ci>K
        </ci>
        <apply>
          <power/>
          <cn xmlns:cellml="http://www.cellml.org/cellml/1.1#" cellml:units="dimensionless">10
          </cn>
          <apply>
            <minus/>
            <ci>pK
            </ci>
          </apply>
        </apply>
      </apply>
      <apply>
        <eq/>
        <ci>kf
        </ci>
        <apply>
          <times/>
          <ci>K
          </ci>
          <cn xmlns:cellml="http://www.cellml.org/cellml/1.1#" cellml:units="per_second">1
          </cn>
        </apply>
      </apply>
      <apply>
        <eq/>
        <ci>kb
        </ci>
        <cn xmlns:cellml="http://www.cellml.org/cellml/1.1#" cellml:units="per_mM_per_second">1
        </cn>
      </apply>
      <apply>
        <eq/>
        <ci>initialHCO3mM
        </ci>
        <apply>
          <divide/>
          <apply>
            <times/>
            <ci>initialCO2mM
            </ci>
            <ci>K
            </ci>
          </apply>
          <ci>initialH
          </ci>
        </apply>
      </apply>
    </math>
    <math xmlns="http://www.w3.org/1998/Math/MathML" id="Auxilliary">
      <apply id="CO2mmHg_proxy">
        <eq/>
        <ci>CO2mmHg_proxy
        </ci>
        <ci>CO2mmHg
        </ci>
      </apply>
    </math>
    <math xmlns="http://www.w3.org/1998/Math/MathML" id="pH conversions">
      <apply id="HConcToPh">
        <eq/>
        <ci>pH
        </ci>
        <apply>
          <minus/>
          <apply>
            <log/>
            <apply>
              <divide/>
              <ci>H
              </ci>
              <ci>c1
              </ci>
            </apply>
          </apply>
        </apply>
      </apply>
      <apply id="phToHConc">
        <eq/>
        <ci>initialH
        </ci>
        <apply>
          <times/>
          <apply>
            <power/>
            <cn xmlns:cellml="http://www.cellml.org/cellml/1.1#" cellml:units="dimensionless">10
            </cn>
            <apply>
              <minus/>
              <ci>initialPh
              </ci>
            </apply>
          </apply>
          <ci>c1
          </ci>
        </apply>
      </apply>
    </math>
    <variable initial_value="0" name="CO2source" units="mM_per_second"/>
    <variable initial_value="0" name="CO2sink" units="mM_per_second"/>
    <variable initial_value="0" name="protonSource" units="mM_per_second"/>
    <variable name="pH" units="dimensionless"/>
    <variable initial_value="1000" name="c1" units="mM"/>
    <variable name="initialH" units="mM"/>
    <variable initial_value="7.4" name="initialPh" units="dimensionless"/>
    <variable name="initialCO2mM" public_interface="in" units="mM"/>
    <variable initial_value="40" name="initialCO2mmHg" public_interface="out" units="mmHg"/>
    <variable name="CO2mmHg" public_interface="in" units="mmHg"/>
    <variable name="CO2mmHg_proxy" units="mmHg"/>
    <math xmlns="http://www.w3.org/1998/Math/MathML" id="solubility of CO2">
      <apply>
        <eq/>
        <ci>sCO2
        </ci>
        <cn xmlns:cellml="http://www.cellml.org/cellml/1.1#" cellml:units="mM_per_mmHg">0.03
        </cn>
      </apply>
    </math>
    <variable name="sCO2" public_interface="out" units="mM_per_mmHg"/>
    <variable name="pK" units="dimensionless"/>
    <variable name="K" units="dimensionless"/>
    <variable name="initialHCO3mM" units="dimensionless"/>
  </component>
  <units name="mM">
    <unit prefix="milli" units="mole"/>
    <unit exponent="-1" units="litre"/>
  </units>
  <units name="per_second">
    <unit exponent="-1" units="second"/>
  </units>
  <units name="per_mM_per_second">
    <unit exponent="-1" units="mM"/>
    <unit exponent="-1" units="second"/>
  </units>
  <units name="mM_per_second">
    <unit units="mM"/>
    <unit exponent="-1" units="second"/>
  </units>
  <connection>
    <map_components component_1="Environment" component_2="Flux"/>
    <map_variables variable_1="Time" variable_2="Time"/>
  </connection>
  <import xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="PressureConversion.cellml">
    <component component_ref="PPresToConc" name="PPToConc_CO2_initial"/>
    <component component_ref="ConcToPPres" name="ConcToPP_CO2_instantaneous"/>
  </import>
  <connection>
    <map_components component_1="PPToConc_CO2_initial" component_2="Flux"/>
    <map_variables variable_1="Cx" variable_2="initialCO2mM"/>
    <map_variables variable_1="Px" variable_2="initialCO2mmHg"/>
    <map_variables variable_1="solubility" variable_2="sCO2"/>
  </connection>
  <connection>
    <map_components component_1="ConcToPP_CO2_instantaneous" component_2="Flux"/>
    <map_variables variable_1="Cx" variable_2="CO2"/>
    <map_variables variable_1="Px" variable_2="CO2mmHg"/>
    <map_variables variable_1="solubility" variable_2="sCO2"/>
  </connection>
  <units name="mmHg">
    <unit multiplier="0.00750062" units="pascal"/>
  </units>
  <units name="mM_per_mmHg">
    <unit units="mM"/>
    <unit exponent="-1" units="mmHg"/>
  </units>
</model>