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

Guideline for grid density of imported layout file in Icepak

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

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   June 23, 2015, 04:58
Unhappy Guideline for grid density of imported layout file in Icepak
  #1
New Member
 
Ivan Chi
Join Date: May 2015
Posts: 2
Rep Power: 0
ivanchi is on a distinguished road
Hi

The layout file can be imported into a block in Icepak, like substrate or PCB.

But I found the Grid Density of the layout file plays an important role in the results, I have tried grid 100x100 200x200 ....... 2000x2000.

There are so much larger difference between these cases.
I think the grid density is base on how large of the package or PCB.

Does someone have the Guideline for grid density of imported layout file?

thanks!
ivanchi is offline   Reply With Quote

Old   October 13, 2015, 08:24
Default Grid Density
  #2
Member
 
Pramodh.J
Join Date: Dec 2011
Location: Bangalore, India
Posts: 37
Rep Power: 14
Jupudi.pramodh is on a distinguished road
Send a message via Skype™ to Jupudi.pramodh
Hi,

As you mentioned, Grid density plays an important role in predicting the results in case we've imported traces of a PCB (into a block representing PCB). The finer the PCB, the more time solver takes to calculate the metal fractions.

I guess the default values set in Icepak would be 200X200. depending on size of your grid and traces, we'll have to alter the values. As far as i've experienced, I was using 750x750 as grid density and didn't find much difference on still finer numbers.

Any ways, just the way we do mesh optimization study (Grid independent study), performing a couple of iterations to freeze the grid density would be a safe practice..

Cheers,
Pramodh J
Jupudi.pramodh is offline   Reply With Quote

Reply

Tags
grid, icepak, layout, mesh

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
[Other] Adding solvers from DensityBasedTurbo to foam-extend 3.0 Seroga OpenFOAM Community Contributions 9 June 12, 2015 17:18
[swak4Foam] Error bulding swak4Foam sfigato OpenFOAM Community Contributions 18 August 22, 2013 12:41
"parabolicVelocity" in OpenFoam 2.1.0 ? sawyer86 OpenFOAM Running, Solving & CFD 21 February 7, 2012 11:44
Version 15 on Mac OS X gschaider OpenFOAM Installation 113 December 2, 2009 10:23
Warning 097- AB Siemens 6 November 15, 2004 04:41


All times are GMT -4. The time now is 09:22.