When i reassessed what i had done originally i considered that the beams may have been intesecting and meshing each other together and then i proceeded to rectify this, whether i was correct or not i don not know, but the simulated model below (with the alterations i documented above) certainly has a better appearance.
This is a simplified configuration i am using without secondary beams etc.nnUnusually compared to traditional steel frames the configuration has beams within 100mm of each other ( bottom of floor beam of upper module and top of ceiling beam of lower module).I simply want to model this accurately to reflect the above. The floor will be cast on top of the PFC beams in reality and the beams will then be welded to the columns.
The beams will simply transfer the loads to the columns. I thought i had set the beams and floors up so that they would share nodes using a rectangle in spaceclaim, i didn't realise i had changed this as i was working through the problem.Regarding Function, The function of the floor will be to act as a rigid diaphragm and transfer the floor loads into the beam, no movement is required. I am working towards using the models to examine the progressive collapse resistance of a modular building.
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