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IDProjectCategoryView StatusLast Update
0001372OpenFOAMBugpublic2015-01-01 19:54
Reporteruser981Assigned Tochris  
PrioritynormalSeveritytextReproducibilityalways
Status closedResolutionfixed 
Platformweb userguideOSanyOS Versionany
Summary0001372: userguide 2.1.8.1 states length scale % wrong in text
DescriptionIn [2.1.8.1 Pre-processing] of the user guide the text states that:
"and that l, is equal to 20% of the box width, 0.1m"

The result of the epsilon calculation in (2.13) uses 5% which is also accurate in theory.

The files of the tutorial and the results are correct but this minor text makes for minor inconvenience when reading.
Steps To Reproduceopen userguide documentation at [2.1.8.1 Pre-processing]
http://www.openfoam.org/docs/user/cavity.php#x5-320002.1.8
text paragraph just below formula (2.10)
line states:
Let us assume the initial turbulence is isotropic, i.e. ′ 2 ′ 2 ′ 2 Ux = Uy = U z \relax \special {t4ht=, and equal to 5% of the lid velocity and that l \relax \special {t4ht=, is equal to 20% of the box width, 0.1 m \relax \special {t4ht=, then k \relax \special {t4ht= and ε \relax \special {t4ht= are given by:
Additional Informationsuggest: change text 20% to 5% (of the box width, 0.1m)
TagsUser Guide

Activities

chris

2015-01-01 19:54

manager   ~0003467

Fixed on website now and in PDF in next release. Thanks for the report.

Issue History

Date Modified Username Field Change
2014-08-14 11:37 user981 New Issue
2014-12-29 18:26 wyldckat Tag Attached: User Guide
2015-01-01 19:54 chris Note Added: 0003467
2015-01-01 19:54 chris Status new => closed
2015-01-01 19:54 chris Assigned To => chris
2015-01-01 19:54 chris Resolution open => fixed