[Bldg-sim] FEA heat-transfer analysis of envelope designs

Chris Yates chris at zed-uk.com
Tue Jan 19 11:22:33 PST 2010

It's restricted to 2d but I've always found LBNL Therm to be good.

Sent from my iPhone

On 18 Jan 2010, at 23:53, Josh K <jeemang at gmail.com> wrote:

> Hi all;
> I'm interested in using FEA to model the heat-transfer  
> characteristics of several building envelope designs. I'm attempting  
> to use Elmer (http://www.csc.fi/english/pages/elmer) to do this.  
> Because Elmer doesn't do anything more than very simple mesh  
> creation, I'm using GiD (http://gid.cimne.upc.es/) to attempt to  
> mesh my wall section.
> However, I'm having some serious problems creating a mesh. I'm not  
> overly experienced in mesh creation, but I have a feeling this stems  
> from the ridiculous aspect ratio of several parts of the assembly  
> (ie, a 11' x 6' x 5/8" sheet of drywall) and the relatively  
> minuscule thickness (~1/16") of the steel studs and z-girts that are  
> in the construction.
> I'm wondering if anyone has conducted any such analysis before and  
> could offer some meshing tips. Alternatively, can anyone recommend a  
> resource I could consult?
> Many thanks,
> Josh
> -- 
> Josh Kjenner, P.Eng., LEED AP
> Manasc Isaac Architects Ltd.
> 10225 100 Avenue :: Edmonton, AB T5J 0A1
> 780.429.3977
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