I have modelled one simple structure in STAAD PRO and found that there are two types of displacement value in post processing. NODE and MEMBER.
Which displacement shall i use for comparing with allowable displacement as per BS5950 code.
When we have items in the criteria menu they always apply to the whole model. Only options under the Assign menu can be delegated to particular members.
See this about FloorVibe: It sounds like you need to install it, or get up to the latest RAM SS…
It might help to view the Track 2 output for the two members side by side. I've attached them here. What I notice is some differences in the effective length and Mx demand that probably account for the difference in the final utilization ratio.
…