Results 21 to 30 of about 19,052 (297)

On the interaction of exponential non-viscous damping with symmetric nonlinearities [PDF]

open access: yes, 2008
This paper studies the interaction between non-viscous damping and nonlinearities for nonlinear oscillators with reflection symmetry. The non-viscous damping function is an exponential damping model which adds a decaying memory property to the damping ...
Wagg, DJ   +6 more
core   +1 more source

Design and manufacture of testing measurement and evaluation device for dynamic property of metallic interfaces

open access: yesNihon Kikai Gakkai ronbunshu, 2015
Metallic interfaces in mechanical structures cause dynamic damping property. It is very effective to apply this good damping property to engine power plant in order to reduce noise and vibration, however, it is difficult to use dynamic damping property ...
Kenichi YAMASHITA   +2 more
doaj   +1 more source

Preparation and properties of marine high-damping nitrile rubber/phenolic resin/chlorinated paraffin composites

open access: yesHecheng xiangjiao gongye, 2023
Phenolic resin (PF) was combined with nitrile rubber (NBR) as vulcanizing agent and blend respectively, the effects of PF amount on mechanical properties, damping properties and oil resistance of NBR were studied, and chlorinated paraffin (CP 52) was ...
WANG Qing-xin, QU He-xiang, XIE Yong-gang, AI Jian-yang, KE Nan
doaj   +1 more source

Fractional robust control with iso-damping property [PDF]

open access: yes, 2008
This article deals with the problem of the reduction of structural vibrations with isodamping property. The proposed methodology is based on: - a contour defined in the Nichols plane and significant of the damping ratio of the closed-loop response - a ...
Janat, Yaman   +9 more
core   +1 more source

Effect of Mg content on damping and mechanical properties of AlSi10Sn4Mgx alloy

open access: yes工程科学学报, 2023
Damping alloys serve as key materials in the domain of shock and noise reduction and find wide-ranging applications across several industries. Aluminum alloy, a commonly used engineering material, offers distinct advantages such as low cost and light ...
Ji XU   +3 more
doaj   +1 more source

Stability of closed-loop fractional-order systems and definition of damping contours for the design of controllers [PDF]

open access: yes, 2012
Fractional complex order integrator has been used since 1991 for the design of robust control-systems. In the CRONE control methodology, it permits the parameterization of open loop transfer function which is optimized in a robustness context.
Oustaloup, Alain   +2 more
core   +1 more source

Effect of Graphene Oxide on Anti-aging Property of Nitrile Butadiene Rubber

open access: yesCailiao gongcheng, 2017
The blends with higher damping performance was prepared based on nitrile butadiene rubber(NBR) with addition of graphene oxide(GO) and modified graphene oxide(MGO) prepared by improved Hammer method.
ZHANG Lin   +4 more
doaj   +1 more source

The effect of carbon nanotubes on the mechanical and damping properties of macro-defect-free cements

open access: yesScience and Engineering of Composite Materials, 2020
The effect of CNTs on the mechanical and damping properties of macro-defect-free (MDF) cements was studied, and polyvinyl alcohol (PVA) fibers were also studied as a contrast.
Wenhua Zhang   +4 more
doaj   +1 more source

Experimental study on the compressive strength, damping and interfacial transition zone properties of modified recycled aggregate concrete [PDF]

open access: yesRoyal Society Open Science, 2019
At present, many modification methods have been proposed to improve the performance of recycled aggregate concrete (RAC). In this study, tests on the compressive strength and damping properties of modified RAC with the addition of different proportions ...
Bin Lei   +3 more
doaj   +1 more source

Effect of nanodiamond particle sizes on damping properties of ZK60 magnesium matrix composites

open access: yesMaterials Research Express, 2021
The aim of the research is to ensure that the material has functional mechanical properties as well as high-damping value. The microstructure, elemental composition, second phase distribution and interface structure of the Mg-based composite with ...
De Cheng Lu, Jian Li, Zhuo Hua Li
doaj   +1 more source

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