Results 21 to 30 of about 1,073 (213)

Modeling and Parameter Identification of MR Damper considering Excitation Characteristics and Current

open access: yesShock and Vibration, 2021
Smart structures such as damping adjustable dampers made of magnetorheological (MR) fluid can be used to attenuate vibration transmission in vehicle seat suspension.
Shuguang Zhang, Wenku Shi, Zhiyong Chen
doaj   +1 more source

Bi-exponential model and inverse model of magnetorheological damper for the semi-active suspension of a capsule vehicle

open access: yesMeasurement + Control, 2023
The capsule vehicle is a new transportation system that travels in a sub-vacuum tunnel at a speed of about 1000 km/h, and adopts the electrodynamic suspension type levitation system.
Ranhee Yoon   +5 more
doaj   +1 more source

Using a damper amplification factor to increase energy dissipation in structures [PDF]

open access: yes, 2015
Fluid dampers are an important tool for dissipating unwanted vibrations in a range of engineering structures. This paper examines the effects of amplifying the displacements transferred to a non-linear damper, to increase the effectiveness of the damper ...
Londoño Monsalve, Julian Mauricio   +5 more
core   +1 more source

Tuned inerter dampers with linear hysteretic damping [PDF]

open access: yesEarthquake Engineering & Structural Dynamics, 2020
SummaryThis paper explores the influence of linear hysteretic damping on the performance of passive tuned‐inerter devices. An inerter is a device that produces a force proportional to the relative acceleration across its two terminals; devices incorporating inerters have received widespread attention in the earthquake engineering community, because ...
Deastra, P.   +3 more
openaire   +2 more sources

Stick/slip phenomena in dynamics: choice of contact model. Numerical predictions & experiments [PDF]

open access: yes, 2007
This paper presents a method for choosing the most appropriate contact model from several models, by comparing their efficiency for predicting hysteretic behaviour in different applications.
Michon, Guilhem   +4 more
core   +1 more source

Computational Comparison of Performance of Different Steel Plate Shear Yielding Dampers

open access: yesBuildings, 2023
The computational modeling of hysteretic dampers is a powerful tool for design, allowing us to predict and optimize damper performance. In this research, a numerical model, based on Chaboche’s nonlinear kinematic hardening constitutive law, was ...
Flavia Bustos   +2 more
doaj   +1 more source

Investigation of Mechanical and Damping Performances of Cylindrical Viscoelastic Dampers in Wide Frequency Range

open access: yesActuators, 2021
This paper aims to develop viscoelastic dampers, which can effectively suppress vibration in a wide frequency range. First, several viscoelastic materials for damping performance were selected, and different batches of cylindrical viscoelastic dampers ...
Teng Ge   +4 more
doaj   +1 more source

Experimental Study on Mechanical Properties of Shear Square Section Steel Tube Dampers

open access: yesMetals, 2022
Based on the excellent performance of shear metal dampers in building seismic capacity, the traditional shear metal damper was optimized. A double-sided shear steel tube damper with simple structure, easy replacement, and wide application is proposed. In
Li Xiao   +4 more
doaj   +1 more source

Optimal Seismic Design of Stiffness and Gap of Hysteretic-Viscous Hybrid Damper System in Nonlinear Building Frames for Simultaneous Reduction of Interstory Drift and Acceleration

open access: yesFrontiers in Built Environment, 2021
The viscous-hysteretic hybrid (HVH) damper system recently introduced by one of the authors has a clear property that, when the hysteretic dampers with gap mechanism become active (stiffness element starts working), the acceleration of building frames ...
Soichiro Ishida, Izuru Takewaki
doaj   +1 more source

Effects of Mathematical Model of MR Damper on Its Control Performance; A Nonlinear Comparative Study [PDF]

open access: yesNumerical Methods in Civil Engineering, 2019
In this paper, the effect of mathematical representation method of an MR damper on the performance of control algorithm is investigated. The most exact and common Maxwel Nonlinear Slider (MNS) and modified Bouc-Wen hysteretic models are employed through ...
R. Karami Mohammadi, H. Ghamari
doaj   +1 more source

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