Adjoint sensitivity analysis and optimization of hysteretic dynamic systems with nonlinear viscous dampers
Sign Up to like & getrecommendations! Published in 2018 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-017-1858-2
Abstract: In this paper we discuss the adjoint sensitivity analysis and optimization of hysteretic systems equipped with nonlinear viscous dampers and subjected to transient excitation. The viscous dampers are modeled via the Maxwell model, considering at… read more here.
Keywords: analysis; adjoint sensitivity; sensitivity; optimization ... See more keywords
Earthquake protection of structures with nonlinear viscous dampers optimized through an energy-based stochastic approach
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2018.09.076
Abstract: Abstract The earthquake protection of structures equipped with energy dissipation devices in the form of nonlinear fluid viscous dampers (FVDs) is investigated. Most of the optimal design strategies from the literature either address a simplified… read more here.
Keywords: energy based; earthquake protection; protection structures; viscous dampers ... See more keywords
Simplified seismic design procedure for steel MRF structure with nonlinear viscous dampers
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Constructional Steel Research"
DOI: 10.1016/j.jcsr.2021.106857
Abstract: Abstract This paper presents a simplified design procedure (SDP) for performance-based design of low-rise new steel MRF buildings with nonlinear viscous dampers. The SDP uses an effective stiffness and equivalent damping for a multi degree-of-freedom… read more here.
Keywords: steel; steel mrf; viscous dampers; nonlinear viscous ... See more keywords
Shaking table tests and numerical studies on the effect of viscous dampers on an isolated RC building by friction pendulum bearings
Sign Up to like & getrecommendations! Published in 2017 at "Soil Dynamics and Earthquake Engineering"
DOI: 10.1016/j.soildyn.2017.06.002
Abstract: Abstract Base isolation is an effective way for diminishing the response of a structure to seismic action. However, this results in large displacements for isolators, particularly for buildings located in near-fault sites. Viscous dampers (VDs)… read more here.
Keywords: shaking table; effect viscous; friction pendulum; viscous dampers ... See more keywords
Advanced scalar intensity measures for collapse capacity prediction of steel moment resisting frames with fluid viscous dampers
Sign Up to like & getrecommendations! Published in 2018 at "Soil Dynamics and Earthquake Engineering"
DOI: 10.1016/j.soildyn.2018.01.009
Abstract: Abstract Nowadays, passive energy dissipation systems are used in the seismic design of new structures and the retrofit of existing structures. Fluid Viscous Dampers (FVDs) are one of the important types of passive energy dissipation… read more here.
Keywords: fluid viscous; capacity; collapse capacity; viscous dampers ... See more keywords
Multi-objective loss-based optimization of viscous dampers for seismic retrofitting of irregular structures
Sign Up to like & getrecommendations! Published in 2020 at "Soil Dynamics and Earthquake Engineering"
DOI: 10.1016/j.soildyn.2019.105765
Abstract: Abstract In this paper an efficient first-order multi-objective optimization scheme is adopted for the design of linear viscous dampers for the seismic retrofitting of frame buildings. A retrofitting cost function serves as one objective while… read more here.
Keywords: optimization; seismic retrofitting; loss; dampers seismic ... See more keywords
Damping reduction factors for adjacent buildings connected by fluid-viscous dampers
Sign Up to like & getrecommendations! Published in 2020 at "Soil Dynamics and Earthquake Engineering"
DOI: 10.1016/j.soildyn.2020.106323
Abstract: Abstract This work investigates the dynamic behaviour of a multi-storey frame building, assumed as the structure to be controlled, connected with an adjacent support structure by means of horizontal fluid viscous dampers. The dampers connection… read more here.
Keywords: damping reduction; fluid viscous; system; reduction factors ... See more keywords
Seismic Behavior of a Self-Centering System with 2–4 Viscous Damper
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Earthquake Engineering"
DOI: 10.1080/13632469.2018.1453415
Abstract: ABSTRACT This research demonstrates the efficacy of 2–4 viscous dampers in self-centering rocking structures with bi‑linear elastic response, which is distinctly different to conventional fixed‑base structures. This study assesses the relative impact of 2–4 devices… read more here.
Keywords: behavior self; centering system; seismic behavior; damper ... See more keywords
Probability-based evaluation of the effect of fluid viscous dampers on a high-speed railway bridge
Sign Up to like & getrecommendations! Published in 2020 at "Structure and Infrastructure Engineering"
DOI: 10.1080/15732479.2020.1832537
Abstract: Abstract One approach for upgrading existing high-speed railway bridges which are susceptible to excessive vibrations is to install damping devices. In this article, a model of a simply supported bridge with supplemental fluid viscous dampers… read more here.
Keywords: speed railway; fluid viscous; bridge; viscous dampers ... See more keywords
Experimental study on seismic control of towers in cable-supported bridges by incorporating fluid viscous dampers between sub-towers
Sign Up to like & getrecommendations! Published in 2020 at "Advances in Structural Engineering"
DOI: 10.1177/1369433220908031
Abstract: In this article, the seismic control of towers incorporated with fluid viscous dampers between sub-towers is investigated experimentally. To replace one entire tower, an alternative scheme consisting of four separate sub-towers is first proposed. Fluid… read more here.
Keywords: fluid viscous; sub towers; control; seismic control ... See more keywords
Enhancing Seismic Resilience of Existing Reinforced Concrete Building Using Non-Linear Viscous Dampers: A Comparative Study
Sign Up to like & getrecommendations! Published in 2023 at "Actuators"
DOI: 10.3390/act12040175
Abstract: After the catastrophic destruction of the October 2005 Kashmir earthquake, the first building code of Pakistan was developed in 2007. The sole purpose of the building code of Pakistan (BCP) was to incorporate advancements in… read more here.
Keywords: viscous dampers; seismic resilience; building; non linear ... See more keywords