In a followup question to what was previously asked, which of the following would you recommend for analysis and performing design checks on 3D frames:
(1) STAAD
(2) ETABS
(3) SAP2000
(4) LUSAS
(5) RISA 3d
(6) Autodesk ROBOT
There are major differences between SAP2000 (or Etabs), STAAD and RISA 3d and also each one has its own limitations. Therefore, it is better to choose the a software according to type of the structure and more detailed information and target of your project. For example, RISA 3D has more drawing capabilities than SAP2000.
It's recommended to see the following links for diffrenece between STAAD and RISA 3d
https://www.eng-tips.com/viewthread.cfm?qid=305452
It depends on the type of materials and elements cross sections used in modelling. Also, each program has different options for design.
STAAD is simple and extremely user friendly. It is the basic software for frame structures, and with some modules / macros for NDCTs, etc. The best part is, Input file, which is as good as English Story, sequential, and easily understandable. Interface with Design module is also good. However, drawing capabilities are bare minimum or negligible. As one goes for refined / sophisticated analysis, other software are better. Most engineering colleges are teaching STAAD, thus, freshers are comfortable with this. A few colleges started teaching SAP2000 / ETABS, which have better facilities compared to STAAD.
ETABS
The program is at the forefront of programs for very realistic analysis and design of realistic results and wonderful outputs
I personally prefer STAAD Pro. for steel structure and ETABS for concrete structures.
ETABS, STAAD Pro and SAP2000 are the best structural software (structural analysis for building analysis and design).
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