Abstract
The effects of rotary inertia, shear deformation, and joint model on vibration characteristics of single-story multi-bay planar frame structures are studied in this paper. An exact analytical solution is obtained using a wave vibration approach, in which vibrations are described as waves propagating along uniform structural elements and being reflected and transmitted at structural discontinuities. Both bending and longitudinal vibrations in the multi-bay frames are taken into account. It is found that rotary inertia and shear deformation play an important role in accurately predicting natural frequencies of multi-bay frames at higher frequencies. It is also found that the choice of joint model affects the predicted natural frequencies.
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