autocadd massprop command question
autocadd massprop command question
(OP)
Hello All,
I am trying to obtain the moment of inertia of built up steel members by drawing the sections in AutoCadd and using the massprop command. When I check AutoCadd's results with hand calcs, it appears that AutoCadd is computing the section properties about at the lower left hand point of the section.
Is there a way to have AutoCAD compute the section properties about the centroid of the composite section?
Any ideas would be appreciated!
I am trying to obtain the moment of inertia of built up steel members by drawing the sections in AutoCadd and using the massprop command. When I check AutoCadd's results with hand calcs, it appears that AutoCadd is computing the section properties about at the lower left hand point of the section.
Is there a way to have AutoCAD compute the section properties about the centroid of the composite section?
Any ideas would be appreciated!





RE: autocadd massprop command question
Move the object and you'll get different results.
MASSPROP also reports moments about the centroid, isn't that what you want?
RE: autocadd massprop command question
RE: autocadd massprop command question
Then run MASSPROP again. The centroid should be found at 0,0 and the Ix / Iy will be around the centroidal axes.
STF
RE: autocadd massprop command question