Implementing a new rotational velocity in OpenFOAM

30na · May 26, 2014, 11:54

Hi everybody ,
I am quite new to OpenFOAM and now i am trying to simulate a rotating device . I have used MRFInterFoam solver so far for constant angular velocity but now i want the velocity to be a function of time .
I did a tutorial on how to implement a new boundary condition (inlet velocity) , but now i want to be able to access MRFInterFoam files and change the angular velocity .
Can anyone help me with this ? a step by step tutorial would be greatly appreciated ,

ahmmedshakil · May 27, 2014, 01:45

Have you tried with groovyBC (http://openfoamwiki.net/index.php/Contrib/groovyBC) ? It might be so easy without coding.

pbachant · June 2, 2014, 04:03

You may be able to avoid programming by giving a table for omega as a function of time in the MRFProperties dict.

30na · June 3, 2014, 00:41

Thanks everybody for your answers , I used polynomial type for my simulation and my problem is solved now

May 26, 2014, 11:54	Implementing a new rotational velocity in OpenFOAM	#1
30na New Member Join Date: Jan 2014 Posts: 26 Rep Power: 12	Hi everybody , I am quite new to OpenFOAM and now i am trying to simulate a rotating device . I have used MRFInterFoam solver so far for constant angular velocity but now i want the velocity to be a function of time . I did a tutorial on how to implement a new boundary condition (inlet velocity) , but now i want to be able to access MRFInterFoam files and change the angular velocity . Can anyone help me with this ? a step by step tutorial would be greatly appreciated ,

June 2, 2014, 04:03		#3
pbachant Senior Member Pete Bachant Join Date: Jun 2012 Location: Boston, MA Posts: 173 Rep Power: 13	You may be able to avoid programming by giving a table for omega as a function of time in the MRFProperties dict. __________________ Home \| Twitter \| GitHub

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May 27, 2014, 01:45		#2
ahmmedshakil Senior Member Mohammad Shakil Ahmmed Join Date: Oct 2012 Location: AUS Posts: 137 Rep Power: 14	Have you tried with groovyBC (http://openfoamwiki.net/index.php/Contrib/groovyBC) ? It might be so easy without coding.

June 3, 2014, 00:41		#4
30na New Member Join Date: Jan 2014 Posts: 26 Rep Power: 12	Thanks everybody for your answers , I used polynomial type for my simulation and my problem is solved now