CFD Online Discussion Forums

OpenFOAM with ICC - Intel's ICC is "allergic" to AMD CPUs

Posted July 20, 2012 at 11:17 by wyldckat
Updated August 1, 2012 at 05:32 by wyldckat

Tags icc, openfoam

This is yet another one of my "rants on my blog" I do once in a while.

So today I was trying to reproduce this report: http://www.openfoam.org/mantisbt/view.php?id=590 - I was curious about this, because ICC is known for having great optimization on Intel processors (or at least it had in the past), as well as being completely free for non-commercial use on Linux.

The detail here is that I don't have an Intel CPU on my home computer. I've got an AMD 1055T x6

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wyldckat

Retired Super Moderator

Posted in Compiling, building, hacking..., Rantings

Views 7218 Comments 10 wyldckat is offline

How to get an element of a wordList from a dictionary

Posted July 16, 2012 at 06:28 by tomislav_maric

Snippet:

Code:

 IOdictionary fvSchemes
    (
        IOobject
        (
           "fvSchemes", 
           runTime.system(), 
           runTime, 
           IOobject::MUST_READ, 
           IOobject::NO_WRITE
        )
    );

    Info << fvSchemes.subDict("divSchemes")["div(phi,alpha)"][1] << endl;

tomislav_maric

Senior Member

Posted in Uncategorized

Views 1642 Comments 0 tomislav_maric is offline

what to care about when create your own case

Posted July 16, 2012 at 04:36 by Ahmed Khattab

Tags blockmesh, grading, time, write interval

when you create tour own case please take care of:

1- your mesh through editing blockMeshDict file
a- take care of factor of conversion to meter to get your dimensions right.
b- take care of the way you ordering points in hex deceleration because this order specifies direction of XYZ axis.
c- take care of number of cells in each direction because it specifies steps of calculation and plotting. ex: when you scope is the boundary...