Publisher DOI: 10.1016/j.jsv.2021.116319
Title: Systematic design of particle dampers for horizontal vibrations with application to a lightweight manipulator
Language: English
Authors: Meyer, Niklas  
Schwartz, C. 
Morlock, Merlin 
Seifried, Robert  
Keywords: Complex power; DEM; Granular material; Particle damper; Rolling bed; Toolchain
Issue Date: 13-Oct-2021
Source: Journal of Sound and Vibration 510: 116319 (2021-10-13)
Abstract (english): 
Particle damping has become a favorable passive damping technique for lightweight structures, however, its complex dimensioning process hinder its wide use in technical applications. In this paper, a multilevel design tool chain is presented to enable a systematic design and dimensioning process of particle dampers. Thereby various numerical models and experimental tests are combined. This starts with investigations of the micro-mechanical behavior of single particle impacts. Continuing, with analyzing the properties of vibrated granular matters inside a container and ending with designing a damper for a desired structure. The good agreement of the models and their efficiency for the damper design and dimensioning are finally demonstrated on an elastic lightweight manipulator undergoing a horizontal, transient vibration. Using this design toolchain, a new and much more efficient damper design for low amplitude vibrations is introduced using the rolling attribute of spheres. By separating the particle damper into several layers, high damping of the elastic lightweight manipulator is achieved.
ISSN: 0022-460X
Journal: Journal of sound and vibration 
Institute: Mechanik und Meerestechnik M-13 
Document Type: Article
Project: Simulationsbasierter Entwurf passiver Schwingungsdämpfung mittels verteilter Partikeldämper mit Anwendung auf aktive flexible Mehrkörpersysteme 
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