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The paper presents a modal synthesis-based approach to develop a reduced two, three, or higher order model to represent a mid-story isolated building structure. Herein, the approach is utilized to obtain a simple two-degree of freedom model which can effectively capture the response characteristics of the full system well. This reduced order model is used to formulate analytical approaches for calculating...
Viscoelastic dampers are often considered for use in structural systems to reduce their dynamic response. The frequency dependent storage and loss moduli of the viscoelastic material are sometimes modeled using the fractional derivatives. This introduces fractional derivatives in the equations of motion. Herein, several schemes, specialized for arbitrary inputs such as earthquake induced ground motions,...
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