Abstract:It is well known that there are certain advantages in using nonlinear (rather than linear) fluid viscous dampers, primarily, the achievement of a desired seismic performance with reduced damper forces in comparison with linear counterparts. However, the excitation-dependent constitutive behavior of such nonlinear devices may complicate the related optimal design procedure so that, generally, multiple-step approaches are pursued by exploiting the concept of "energy equivalent" dampers after a preliminary optimi… Show more
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