Updating Boundary Conditions Each Iteration

jennyjian · May 28, 2022, 08:57

Quote:

Originally Posted by bigphil

Yes, sorry that was a typo.

Best regards,
Philip

What should I do if my new boundary need to use the velocity of last moment in the code ? Should I define a new scalarField (vectorField) to store the value?

Siddhartha01 · July 9, 2022, 02:07

Dear Philip,
I am trying to apply a boundary condition of potential which is a function of time. It requires me to use temperature from temperature field(which is a function of x,y,z and t).The boundary condition of potential has three terms
a=373k-Ttip.It is sum of a , derivative of a w.r.t and integration of a with time. Can I get some help with this.
Thanks

bigphil · August 3, 2022, 11:28

Hi Siddhartha,

Please give more details, including, what value (or gradient or combination) you are trying to enforce on the boundary. In addition, please give details of what you have tried so far and why it has not worked.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Impinging Jet Boundary Conditions	Anindya	Main CFD Forum	25	February 27, 2016 13:58
OpenFOAM Variable Velocity Boundary Conditions	NickolasPl	OpenFOAM Programming & Development	2	May 19, 2011 06:37
Concentric tube heat exchanger (Air-Water)	Young	CFX	5	October 7, 2008 00:17
[Commercial meshers] Trimmed cell and embedded refinement mesh conversion issues	michele	OpenFOAM Meshing & Mesh Conversion	2	July 15, 2005 05:15
A problem about setting boundary conditions	lyang	Main CFD Forum	0	September 19, 1999 19:29

July 9, 2022, 02:07		#82
Siddhartha01 New Member Siddhartha Mukharjee Join Date: Jul 2022 Posts: 2 Rep Power: 0	Dear Philip, I am trying to apply a boundary condition of potential which is a function of time. It requires me to use temperature from temperature field(which is a function of x,y,z and t).The boundary condition of potential has three terms a=373k-Ttip.It is sum of a , derivative of a w.r.t and integration of a with time. Can I get some help with this. Thanks

August 3, 2022, 11:28		#83
bigphil Super Moderator Philip Cardiff Join Date: Mar 2009 Location: Dublin, Ireland Posts: 1,093 Rep Power: 34	Hi Siddhartha, Please give more details, including, what value (or gradient or combination) you are trying to enforce on the boundary. In addition, please give details of what you have tried so far and why it has not worked.