functionObjects:functionObjects:: Corrected documentation
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========= |
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / O peration |
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\\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
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\\ / A nd | Copyright (C) 2011-2017 OpenFOAM Foundation
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\\/ M anipulation |
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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License
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License
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@ -34,27 +34,20 @@ Description
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Fields are entered as a list of sub-dictionaries, which indicate the type of
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Fields are entered as a list of sub-dictionaries, which indicate the type of
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averages to perform, and can be updated during the calculation. The current
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averages to perform, and can be updated during the calculation. The current
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options include:
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options include:
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- \c mean: arithmetic mean:
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- \c mean: arithmetic mean
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\f[
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\overline{x} = \frac{1}{N}\displaystyle\sum\limits_{i=0}^N x_i
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\f]
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- \c prime2Mean: prime-squared mean
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- \c prime2Mean: prime-squared mean
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\f[
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- \c base: average over 'time', or 'iteration'
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\overline{x'}^2 = \frac{1}{N}\displaystyle\sum\limits_{i=0}^N
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- \c window: optional averaging window, specified in 'base' units
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(x_i - \overline{x})^2
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\f]
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- base: average over 'time', or 'iteration' (\f$N\f$ in the above)
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- window: optional averaging window, specified in 'base' units
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Average field names are constructed by concatenating the base field with
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Average field names are constructed by concatenating the base field with
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the averaging type, e.g. when averaging field 'U', the resultant fields
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the averaging type, e.g. when averaging field 'U', the resultant fields
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are:
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are:
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- arithmetic mean field, UMean
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- arithmetic mean field, \c UMean
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- prime-squared field, UPrime2Mean
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- prime-squared field, \c UPrime2Mean
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Information regarding the number of averaging steps, and total averaging
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Information regarding the number of averaging steps, and total averaging
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time are written on a per-field basis to the
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time are written on a per-field basis to the \c "<functionObject
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\c "<functionObject name>Properties" dictionary, located in \<time\>/uniform
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name>Properties" dictionary, located in \<time\>/uniform
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When restarting form a previous calculation, the averaging is continuous or
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When restarting form a previous calculation, the averaging is continuous or
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may be restarted using the \c restartOnRestart option.
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may be restarted using the \c restartOnRestart option.
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@ -100,7 +93,7 @@ Description
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Usage
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Usage
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\table
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\table
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Property | Description | Required | Default value
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Property | Description | Required | Default
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type | type name: fieldAverage | yes |
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type | type name: fieldAverage | yes |
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restartOnRestart | Restart the averaging on restart | no | no
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restartOnRestart | Restart the averaging on restart | no | no
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restartOnOutput | Restart the averaging on output | no | no
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restartOnOutput | Restart the averaging on output | no | no
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