Welcome to EE!
The following link is a basic SAP2000 tutorial for civil engineering...
SAP2000 Basic Introduction for Beam
Q1>i have a slab supported on perimeter beams.how does SAP transfer the self weight of the slab to the beam?what can i do to ensure one way or two way action??
Q2>next i have a floor with 4 panels,each panel is supported on two sides by main beams and two sides by secondary beams;the floor is supported on four columns at the corners and one at the center.in this case how is the load from the slabs transferd to the columns?
the video is good ,but it dosent really answer my questions;thanks anyway!