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Abstract
A transfer matrix analysis of coupled shear walls is combined with finite element models for joint flexibility. Every joint is considered as a single rectangular element with a displacement model that is consistent with the kinematic constraints imposed by the adjacent beams. The derivation of the element stiffness is based on plane stress elasticity. The overall problem can be solved for the static and free vibrational response of coupled shear walls on flexible foundations. Assessment of its performance and comparison with simpler models for joint deformation is accomplished through the determination of natural frequencies and modes of vibration for a range of previously tested or analysed specimens. Having established the accuracy of the proposed high-order finite element joint model, the effect of joint flexibility on higher frequencies and modes of vibration is then assessed.
Published Version
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