CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Software User Forums > ANSYS > FLUENT

Deactivating a zone in the middle of simulation

Register Blogs Members List Search Today's Posts Mark Forums Read

Like Tree1Likes
  • 1 Post By Rashi

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   April 9, 2021, 13:02
Default Deactivating a zone in the middle of simulation
  #1
New Member
 
Rashiga Walallawita
Join Date: Mar 2013
Posts: 13
Rep Power: 11
Rashi is on a distinguished road
Hi all,


I'm doing a FSI simulation for a melting and soldification process. After the mold solidifies I need to let it cool until it reach room temperature. Therefore, can I deactivate the cast zone in the middle of simulation and continue it wihtout loosing data?
Also is there a way to setup convergence criteria so that simulation stops when the mold reaches the solidus temperature?


Thank you.
Rashi is offline   Reply With Quote

Old   April 9, 2021, 15:35
Default
  #2
Member
 
Yasser Selima
Join Date: Mar 2009
Location: Canada
Posts: 52
Rep Power: 17
Yasser is on a distinguished road
The answer to your questions, yes and yes ...

You can change the boundary condition type in the middle of simulation use Execute Commands but this could be done at certain time .. not event. If you provide more details, there might be another way that you can use ..

You can set your convergence criteria .. go to Monitor -- > Residuals -- > convergence criteria and make your own criteria. You might need to use a simple UDF to check your criteria and pass a value of the solver to stop.
Yasser is offline   Reply With Quote

Old   April 9, 2021, 15:51
Default
  #3
New Member
 
Rashiga Walallawita
Join Date: Mar 2013
Posts: 13
Rep Power: 11
Rashi is on a distinguished road
Hi Yasser, so we meet again!

Did you had any luck with compute canada?
I will send an reply with more detailed explanation.
Yasser likes this.
Rashi is offline   Reply With Quote

Old   April 13, 2021, 15:46
Default
  #4
New Member
 
Rashiga Walallawita
Join Date: Mar 2013
Posts: 13
Rep Power: 11
Rashi is on a distinguished road
Hi Yasser,


Thank you for your reply.


I'm doing a solidification/melting simulation to obtain the temperature/time output to simulate residual stresses in casted object.


In fluent simulation first I want to simulate from pouring temperature until the shakedown temperature with the mold intact and then I want to remove the mold and let it cool till it reach room temerpature.



It seems if I can have a convergence criteria I can fully automate the process right? With some custom TUI commands I mean.


Cheers,
Rashiga
Rashi is offline   Reply With Quote

Reply

Tags
fluent, fsi, melting&solidification

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Fluent Parallelization Problem After AC Power Dropped pawl Hardware 5 November 13, 2016 07:08
Pressure input for Velocity Inlet in middle of 2D transient Simulation Shekhaai FLUENT 1 August 30, 2016 23:43
How to setup simulation of injet Helium into Air cell zone? Shogan FLUENT 2 December 10, 2014 07:29
Sudden jumps in Courant in the middle of the simulation Pj. OpenFOAM Running, Solving & CFD 1 May 6, 2014 13:23
Porosity profile, dividing a zone, or getting zone location from zone khoopes FLUENT 0 June 2, 2012 20:39


All times are GMT -4. The time now is 11:57.