how to create velocity profile

zaynah04 · April 30, 2013, 06:45

Hello everyone..

Does anyone know how to create velocity profile in openfoam?

haakon · April 30, 2013, 11:00

Exactly what are you asking for? Are you interested in setting an initial condition? Or are you perhaps interested in creating a specific velocity profile as boundary condition? In the first case you should look at a tool called funkySetFields, and in the latter a library called groovyBC. Try to do a search on Google or this forum, there are lots of examples out there.

zaynah04 · May 1, 2013, 05:50

hi
thank you for answering me..

well i want to create a specific velocity profile, for example how the velocity vary from bottom to top..
in fluent to do this i needed to write a small program.
but in openfoam am lost. also my solver that i use is pisofoam..

wyldckat · May 1, 2013, 06:24

Greetings to all!

To complement Haakon's answer, check the following threads:

Best regards,
Bruno

Mojtaba.a · May 2, 2013, 18:47

Quote:

Originally Posted by zaynah04

Hello everyone..

Does anyone know how to create velocity profile in openfoam?

If you are simulating atmospheric boundary flows you can use atmBoundaryLayerInletVelocity for your inlet patch. see tutorials/incompressible/simpleFoam/turbineSiting for more details.

best

April 30, 2013, 06:45	how to create velocity profile	#1
zaynah04 Senior Member zaynah K. Join Date: Jun 2012 Location: Mauritius Posts: 138 Rep Power: 14	Hello everyone.. Does anyone know how to create velocity profile in openfoam?

May 1, 2013, 06:24		#4
wyldckat Retired Super Moderator Bruno Santos Join Date: Mar 2009 Location: Lisbon, Portugal Posts: 10,981 Blog Entries: 45 Rep Power: 128	Greetings to all! To complement Haakon's answer, check the following threads: http://www.cfd-online.com/Forums/ope...ixedvalue.html http://www.cfd-online.com/Forums/ope...-openfoam.html Best regards, Bruno __________________ OpenFOAM: FAQ \| Getting started Forum: How to get help, to post code/output and forum guide Read this before sending me PM

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April 30, 2013, 11:00		#2
haakon Senior Member Join Date: Dec 2011 Posts: 111 Rep Power: 20	Exactly what are you asking for? Are you interested in setting an initial condition? Or are you perhaps interested in creating a specific velocity profile as boundary condition? In the first case you should look at a tool called funkySetFields, and in the latter a library called groovyBC. Try to do a search on Google or this forum, there are lots of examples out there.

May 1, 2013, 05:50		#3
zaynah04 Senior Member zaynah K. Join Date: Jun 2012 Location: Mauritius Posts: 138 Rep Power: 14	hi thank you for answering me.. well i want to create a specific velocity profile, for example how the velocity vary from bottom to top.. in fluent to do this i needed to write a small program. but in openfoam am lost. also my solver that i use is pisofoam..