75da5c3d4c
The input syntax of the heatTransfer and interRegionHeatTransfer
fvModels has been modified to make it more usable and consistent with
the rest of OpenFOAM.
The settings for area per unit volume (AoV) are no longer controlled by
the heat transfer coefficient model. Instead they belong to the fvModel
itself and are specified within the base fvModel's dictionary.
The heat transfer coefficient model has been renamed to
"heatTransferCoefficientModel" to better account for exactly what it
does. It is now selected using an entry called
"heatTransferCoefficientModel", rather than "type". As a sub-sub model,
"type" clashes with the outer fvModel's "type" entry unless a Coeffs
dictionary is used. This change has made the Coeffs sub-dictionary
optional, as it should be, unless model-specific keywords require
disambiguation.
A heat transfer coefficient model can now be specified as follows:
heatTransfer1
{
type heatTransfer;
heatTransferCoeffs
{
selectionMode all;
semiImplicit true;
Ta 298;
AoV 100;
heatTransferCoefficientModel variable; // constant, function1
constantCoeffs
{
htc 1000;
}
variableCoeffs
{
a 0.332;
b 0.5;
c 0.333333;
Pr 0.7;
L 0.1;
}
}
}
Alternatively, the coefficient sub-dictionaries can all be omitted,
giving the following syntax:
heatTransfer1
{
type heatTransfer;
selectionMode all;
semiImplicit true;
Ta 298;
AoV 100;
heatTransferCoefficientModel variable;
a 0.332;
b 0.5;
c 0.333333;
Pr 0.7;
L 0.1;
}
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About OpenFOAM
OpenFOAM is a free, open source computational fluid dynamics (CFD) software package released by the OpenFOAM Foundation. It has a large user base across most areas of engineering and science, from both commercial and academic organisations. OpenFOAM has an extensive range of features to solve anything from complex fluid flows involving chemical reactions, turbulence and heat transfer, to solid dynamics and electromagnetics.
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