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Hi, I was wondering if it was possible to select nodes to input different ground motions in SAP2000. From what I understand, SAP2000 inputs the ground motion only at ground joints. However, I am looking at a building with a basement and would like to account for the fact that the ground motion...

Does anyone know how SAP2000 compute the moment of inertia of floor diaphragms about the vertical axis passing through the center of mass? I am writing a code to analyse different structural configurations and I am comparing the results with those obtained in SAP2000. For the mass matrix, I have...

Anyone ever heard of studies made on structures with mass eccentricity, i.e. the center of mass of adjaent floors do not have the same location???

Anyone knows how the propertiees for panel zones are obtained when assigning panel zones to a joint (Assign > Joint > Panel Zones > Elastic Properties from column)? Is it based on the simple model proposed by Krawinkler? I cannot find any info about that in either the reference manuals or the...

Hi everyone, I am currently working on a steel building with composite floors. My problem is that I don't know how to model the connection between the steel beam and the concrete slab (i.e. modelling the shear studs). Even if I put any constraint to the floor joints, SAP2000 does not consider...