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STYLE: added further explanation to Q utility header

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andy
2012-03-09 14:56:54 +00:00
parent ac208dab40
commit 06e2a6b791
1 changed files with 3 additions and 1 deletions
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applications/utilities/postProcessing/velocityField/Q/Q.C
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@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2011-2012 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -27,6 +27,8 @@ Application
Description
Calculates and writes the second invariant of the velocity gradient tensor.
Q = 0.5*(sqr(tr(gradU)) - tr(((gradU)&(gradU)))) [1/s^2]
The -noWrite option just outputs the max/min values without writing
the field.