[bldg-sim] Green building Studio + Autodesk Building System

Gwelen Paliaga gpaliaga at taylor-engineering.com
Fri Feb 10 13:36:19 PST 2006


Autodesk does not support vertical adjacencies.  In other words, there
is no way to define the adjacency of an espace ceiling to another espace
floor.  We have told Autodesk about this problem GBS.
 
On the other hand, GBS requires adjacencies to be defined for the model
to run.  For many models the results would be sufficiently accurate if
internal partitions were treated as adiabatic.  If GBS had a switch to
ignore vertical adjacencies and insert adiabatic partition instead, ABS
and GBS would work together.  
 
In conclusion, ABS epaces and GBS do not work together for multi story
buildings because of the vertical adjacency problem.  Single floor
buildings should work although you have to be careful with the internal
load definitions because all the ABS values get pulled into the GBS
model.
 
    - Gwelen
 

Gwelen Paliaga, Taylor Engineering, LLC 
1080 Marina Village Parkway, Suite 501, Alameda CA 94501 
(510) 263-1546 direct, (510) 749-9135 office 
(510) 749-9136 fax, (510) 852-1565 mobile 

gpaliaga at taylor-engineering.com 
www.taylor-engineering.com 

 

________________________________

From: bldg-sim at gard.com [mailto:bldg-sim at gard.com] On Behalf Of Yury Lui
Sent: Friday, February 10, 2006 11:17 AM
To: bldg-sim at gard.com
Subject: [bldg-sim] Green building Studio + Autodesk Building System



Hi there, I have a question regarding to converting GBXML from ABS to
GBS. GBS keep giving me error messages such as "Surface id= su13_Floor,
an InteriorFloor, should have two spaces adjacent to it. It has 1
defined." As such, I constructed a test run with only 1 espace on first
level and 1 espace on second level. The second level espace is perfectly
line up above the first level espace. The error message remains with the
second level spaces' floor type set to "Interior Space." The error
message only goes away when the floor type is changed to "Raised Floor."
However, I thought "raised floor" is referring to under floor
distribution. Does Autodesk has different terminology? Is it the right
setting for slab to slab construction?  If not, what other possibility
for the error?

 

Also, from my other test run, I found out that if the space has partial
roof, it needs to be separated by two espaces.

 

Many thanks!!!!!

 

Yury Lui

 


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