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(Sorry if you have already discussed this topic, I couldn't find it.) Hello great community of DesignToEurocodes! Can anyone here help me with a modal analysis in RSAP? I most determine the dynamic properties (natural frequencies, vibration modes,…) of a steel frame (bi-dimensional) with 4 stories and 3 spans (8 meter span), ie, I have a structure which have (at least I want it to have) 4 vibration modes (horizontal). When I perform or when I try to perform the analysis in robot I really don't understand the output values... As instead I could do this by hand, finding the stiffness matrix and the mass matrix (lumped) but I was hoping that robot would do that work for me.
Hi all, not sure if this is in the right section, if not can a moderator move to the appropriate place.
I am after some advice about how users like to treat wind loads (to Eurocodes) in RSA 2012.
Im looking to do my first steel frame analysis and design in RSA but have discovered that the snow/wind load generator doesn't work for 3D frame structures. This means that wind loads need calculating by some other means and imputing manually.
How do you guys and girls like to do this? Do you enter all the different zonal pressures and suctions on all faces for various combinations of +ve and -ve internal and external pressure coefficients for each major wind direction?
Or do you simplify everything to a single windward pressure, leeward suction and side suctions for each direction?
Just after some opinions and advice about how users generally approach wind loading for 3D frames in RSA.
I'm not used to inputting wind loads manually as most steel frames I have designed have been done in CSC Fastrak which has a tool for automatically generating wind loads.
I am planning write a software which can connect structural analysis software with Revit,just like the relationship between Revit and Robot.Hopefully,I can read the results of structural analysis and demonstrate them at Revit automatically.If friends of this website are interested,we can do it together.