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ENH: Updated header documentation
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@ -22,7 +22,7 @@ License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Class
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Class
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externalWallHeatFluxTemperatureFvPatchScalarField
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Foam::externalWallHeatFluxTemperatureFvPatchScalarField
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Group
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Group
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grpThermoBoundaryConditions grpWallBoundaryConditions
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grpThermoBoundaryConditions grpWallBoundaryConditions
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@ -34,34 +34,50 @@ Description
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fixed heat transfer coefficient mode.
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fixed heat transfer coefficient mode.
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The condition can operate in two modes:
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The condition can operate in two modes:
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\li fixed heat transfer coefficient: supply h and Ta
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- fixed heat transfer coefficient: supply h and Ta
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\li fixed heat flux: supply q
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- fixed heat flux: supply q
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where
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where:
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\var h = heat transfer coefficient [W/m2/K]
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\vartable
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\var Ta = ambient temperature [K]
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h | heat transfer coefficient [W/m2/K]
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\var q = heat flux [W/m2]
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Ta | ambient temperature [K]
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q | heat flux [W/m2]
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\endvartable
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The thermal conductivity, \c kappa, can either be retrieved from the
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The thermal conductivity, \c kappa, can either be retrieved from the
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mesh database using the \c lookup option, or from a \c solidThermo
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mesh database using the \c lookup option, or from a \c solidThermo
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thermophysical package.
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thermophysical package.
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\heading Patch usage
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\table
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Property | Description | Required | Default value
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kappa | thermal conductivity option | yes |
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q | heat flux [W/m2] | yes* |
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Ta | ambient temperature [K] | yes* |
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h | heat transfer coefficient [W/m/K] | yes*|
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thicknessLayers | list of thicknesses per layer [m] | yes |
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kappaLayers | list of thermal conductivites per layer [W/m/K] | yes |
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kappaName | name of thermal conductivity field | yes |
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\endtable
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Example of the boundary condition specification:
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Example of the boundary condition specification:
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\verbatim
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\verbatim
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myPatch
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myPatch
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{
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{
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type externalWallHeatFluxTemperature;
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type externalWallHeatFluxTemperature;
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kappa fluidThermo; // fluidThermo, solidThermo or
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kappa fluidThermo; // fluidThermo, solidThermo or
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// lookup
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// lookup
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q uniform 1000; // heat flux / [W/m2]
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q uniform 1000; // heat flux / [W/m2]
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Ta uniform 300.0; // ambient temperature /[K]
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Ta uniform 300.0; // ambient temperature /[K]
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h uniform 10.0; // heat transfer coeff /[W/Km2]
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h uniform 10.0; // heat transfer coeff /[W/Km2]
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thicknessLayers (0.1 0.2 0.3 0.4); // thickness of layer [m]
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thicknessLayers (0.1 0.2 0.3 0.4); // thickness of layer [m]
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kappaLayers (1 2 3 4) // thermal conductivity of
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kappaLayers (1 2 3 4) // thermal conductivity of
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// layer [W/m/K]
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// layer [W/m/K]
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value uniform 300.0; // initial temperature / [K]
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value uniform 300.0; // initial temperature / [K]
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kappaName none;
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kappaName none;
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}
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}
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\endverbatim
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\endverbatim
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Note
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Note
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