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Posted: Fri Jan 23, 2004 4:58 am Post subject: Master-Slave etc.
When we use Rigid Diaphragm or Rigid Rod/Bar constraints at a floor we neglect axial deformations in horizontal members connected with these constrained nodes. So axial forces in such horizontal members will be output as zero. This is the property of your model and not of the structure.The fundamental assumption behind this must be understood clearly. I suggest you to see book on Matrix Method of analysis by Gere and Weaver for a detailed explanation.
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