[Bldg-sim] FEA heat-transfer analysis of envelope designs
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 Kjenner, P.Eng., LEED AP
> Manasc Isaac Architects Ltd.
> 10225 100 Avenue :: Edmonton, AB T5J 0A1
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