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Semi‐active control of metal foam magnetorheological damper
Materialwissenschaft und Werkstofftechnik, 2021AbstractA new type of foam metal magnetorheological damper is designed, and its performance in semi‐active control is investigated. At first, magnetorheological fluid is stored in the pore of metal foam, and with the action of magnetic field, magnetorheological fluid is extracted from metal foam, and then fills up the shear gap to produce ...
W. Yan +5 more
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Cyclic behavior of shear-and-flexural yielding metallic dampers
Journal of Constructional Steel Research, 2015Abstract The energy dissipation potential of a metallic damper largely depends on the hysteretic response achieved due to the inelastic deformation of plates under either axial or flexural or shear loading. In this study, a passive energy dissipation device consisting of a series of steel plates capable of yielding in both flexure and shear has been ...
Dipti Ranjan Sahoo +3 more
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Experimental and numerical evaluation of piston metallic damper (PMD)
Journal of Constructional Steel Research, 2019Abstract In this paper, a metallic yielding damper, called piston metallic damper (PMD) is introduced for the first time. The PMD is comprised of a set of parallel hollow circular plates that interconnect inner shaft of the PMD to its outer pipe. Experiments and numerical models are used to examine its applicability as a seismic energy dissipating ...
Majid Jarrah +3 more
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EXPERIMENTAL STUDY AND APPLICATION OF METALLIC YIELDING–FRICTION DAMPER
Journal of Earthquake and Tsunami, 2013In this paper, a new idea for designing the metallic yielding–friction damper (MYFD) is presented based on the principle that the metallic plate can be used for yielding and can be the friction component of the passive energy dissipation device (PEDD).
GANG LI, HONG-NAN LI
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Study on First-Floor Isolated Structure with Metallic Damper
Advanced Materials Research, 2012As an advancing isolation technology, the first-floor isolated structure can take full use of the first-floor space, and has been promoted in southern China gradually. To study the isolation effect of the first-floor isolated structure and to improve the damping rate of it, a seven-story structural model with laminated rubber bearings and metallic ...
Jin Bao Ji +3 more
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Development and experimental study of a novel rotational metallic damper
Engineering StructuresWenchen Lie, Dingbin Li
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Parameter Identification of a New Metal Rubber Damper System
Applied Mechanics and Materials, 2014The parameter identification of a new hysteretic nonlinear metal rubber damper system is studied in this paper. Firstly, the advantage of the new metal rubber damper which composed by two components is proved by the static and dynamic test comparing to the damper included only one metal rubber.
Yu Long Li, Hong Bai Bai, Zhong Bo He
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Parameter optimization of a metal foam magneto-rheological damper
International Journal of Mechanics and Materials in Design, 2019A new metal foam magneto-rheological (MR) fluid damper is optimized, and the mechanical performance is investigated experimentally. With a magnetic field, MR fluid is extracted from the metal foam and fills up the shear gap to produce the MR effect. The magnetic field density in the shear gap and the structural parameters are taken as the optimization ...
Wang Zhi Shen +3 more
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Optimization of Metallic Damper Location for Seismic Response Control
Journal of Vibration Engineering & Technologies, 2019The structure should be retained in elastic range under cyclic loading due to earthquake and this can be achieved by addition of energy dissipators. This work represents the effectiveness of two types of metallic dissipaters (X-plate and accordion damper).
Atulkumar Manchalwar, S. V. Bakre
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