Abstract. This paper deals with finite element vibration analysis of buildings. Each component of building is discretized by its appropriated finite element, that is, bar and beam element for the frame sub-structure, plate finite element for the slabs. By applying compatibility and equilibrium conditions, all sub-structural interactions are incorporated into the system in order to produce a more refined structural analysis of buildings. Other issues for building vibration such as shear deformation, rotatory inertia, and plate-beam eccentricity are investigated as well. Numerical examples are presented and compared with results from commercial numerical packages widespread.
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