Numerical Models of Hysteretic Steel Damper with a Hollow Diamond Shape for Energy Dissipation (original) (raw)

Applied Mechanics and Materials, 2015

Abstract

Numerical studies were conducted to evaluate the behaviour of a hollow diamond shaped hysteretic steel plate damper under in-plane cyclic loading. The combine hardening material model based on Chaboche kinematic hardening rule and exponential isotropic hardening rule was proposed to trace the cyclic hardening behaviour of the steel damper. For engineering design purposes, simplified models based on bilinear and trilinear models were also presented. Numerical results showed that hysteretic curve obtained from Chaboche model and the simplified models correlate well with experimental results. Furthermore, the validity of the simplified models is verified through a comparison of its hysteretic energy dissipation with the actual test data.

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