Implicit mesh update restriction for faster calculation

burning_bert · June 18, 2016, 07:14

Hello folks.

I am working with dynamic meshing and due to instabilities from the coupled calculation of flow field and rigid solid motion calculation using UDF, I have to use implicit mesh update to achieve stability.

The big issue is that using implicit mesh update, calculation process of each time step became very time consuming, my beard is growing a lot.

Implicit mesh update can only be "restricted" to be called in every iteration of the time-step using a frequency within the time step iterations (For example every 10 interations)

What I need is to update the mesh during the first iterations and not during the complete time-step iterations. For example, first 20 iterations of the time step.

Thanks for your help.

Regards

Alberto

rsaurabh · May 28, 2017, 16:59

Hi,
I hope you might have find solution for you problem.
I am also facing same problem. If you know how to handle this problem, please share this information.
Thanks and regards
Saurabh

June 18, 2016, 07:14	Implicit mesh update restriction for faster calculation	#1
burning_bert New Member Alberto Menéndez Join Date: Jun 2016 Posts: 3 Rep Power: 9	Hello folks. I am working with dynamic meshing and due to instabilities from the coupled calculation of flow field and rigid solid motion calculation using UDF, I have to use implicit mesh update to achieve stability. The big issue is that using implicit mesh update, calculation process of each time step became very time consuming, my beard is growing a lot. Implicit mesh update can only be "restricted" to be called in every iteration of the time-step using a frequency within the time step iterations (For example every 10 interations) What I need is to update the mesh during the first iterations and not during the complete time-step iterations. For example, first 20 iterations of the time step. Thanks for your help. Regards Alberto

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
[OpenFOAM] Paraview 3.98.0 does not update list of mesh regions	letzel	ParaView	6	April 19, 2021 15:57
how to set periodic boundary conditions	Ganesh	FLUENT	15	November 18, 2020 06:09
[mesh manipulation] Importing Multiple Meshes	thomasnwalshiii	OpenFOAM Meshing & Mesh Conversion	18	December 19, 2015 18:57
[snappyHexMesh] No layers in a small gap	bobburnquist	OpenFOAM Meshing & Mesh Conversion	6	August 26, 2015 09:38
Mesh motion with Translation & Rotation	Doginal	CFX	2	January 12, 2014 06:21

May 28, 2017, 16:59		#2
rsaurabh Member saurabh kumar gupta Join Date: Jul 2016 Location: kanpur,india Posts: 53 Rep Power: 9	Hi, I hope you might have find solution for you problem. I am also facing same problem. If you know how to handle this problem, please share this information. Thanks and regards Saurabh