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Re: Autocad Section Property Calculation

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You did nothing wrong, the program might be faulty.
----- Original Message -----
From: vicpeng
Sent: Tuesday, May 30, 2000 10:00 PM
Subject: Autocad Section Property Calculation

I have a feeling that this might have been posted before.
In AutoCAD under "massprop" the section properties such as area, perimeter, centroid, Moment of Inertia etc are calculated.
I did a check on a complex section by hand and I found that AutoCAD produces a different answer from mine for the Moment of Inertia.  The other values appear correct but not "I".
Does anyone know if I did something wrong or what AutoCAD is doing?  This is not my software so the licensee may have set up something in the program??

Thor A Tandy P.Eng
Victoria BC
e-mail: vicpeng(--nospam--at)