[BLDG-SIM] Curtain wall frames and fenestration area

[Mike Tillou]

Renee,
 
The easiest way to do this is to use a single window on each wall.  Calculate the percentage of window area that is actually frame and then adjust the frame-width to account for the increase.  You may end up with a window frame width that is 12 inches or bigger  (if the wall is large enough).  With a little ingenuity you can write some BDL code that will automatically calculate the window width, frame width and x position of the window on the wall so you don't get any cautions or warnings.  .  
 
 
 
Michael Tillou, PE
etc Group, Inc.
PO Box 749,  North Adams, MA 01247
Ph. (413) 458-9870   Mbl. (413) 652-1087  www.etcgrp.com <http://www.etcgrp.com> 
 

________________________________

From: postman at gard.com on behalf of Azerbegi, Renee
Sent: Mon 4/12/2004 7:44 AM
To: BLDG-SIM at gard.com
Subject: [BLDG-SIM] Curtain wall frames and fenestration area



Greetings,

I am modeling a high-rise building in eQuest which has a significant amount of fenestration as curtain wall. This curtain wall, like many curtain walls, has metal frames around many small panes of glass that make up the total curtain wall. My question is, how do you treat the frames and the fenestration area?  If I model each small pane of glass and add the exact frame, this would probably overwhelm DOE2 due to the huge number of small windows.  If I model the glass as one big window, then is it correct to just add the total width of the frame to each of these large windows? Also, some of these curtain wall panes have fins to complicate things, so if I do one big glass pane, then adding the fins would make huge fins on either side of the glass. If you have dealt with modeling curtain walls, as probably many of you have, please let me know how you have dealt with these issues.

Thank you,

Renee

Renee Azerbegi
RMH Group
303-239-0909x641


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