: It reveals if elements meshed between stories are lumping mass to the wrong level.
If you have ever run a seismic analysis in ETABS, you have likely stared at the table. It appears innocent enough: a simple spreadsheet showing mass, weight, and lateral stiffness. But for experienced structural engineers, the default output often raises more questions than it answers. etabs mass summary by story better
: It allows engineers to easily check consistency against manual calculations. High-accuracy models typically show less than a 2% difference : It reveals if elements meshed between stories