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The rattling of Euler's disk
Saje, Miran (Avtor), Zupan, Dejan (Avtor)

URLURL - Predstavitvena datoteka, za dostop obiščite http://drugg.fgg.uni-lj.si/3824/ Novo okno
.pdfPDF - Predstavitvena datoteka, prenos (1,06 MB)

Izvleček
The motion of a disk spinning on a horizontal surface has drawn a great deal of interest recently. The objectives of the researches are to find out what produces an increasing rattling sound and why the spinning ends so abruptly. In order to understand the behaviour of the spinning disk better, we derived a mathematical model of the rolling/sliding motion of a thin, rigid disk on a rigid, rough horizontal plane, and found the numerical solution of the related initial value problem. Then we studied the motion of the commercially available Tangent Toy disk [3]. The results show that the normal contact force becomes very large whenever the inclination of the disk becomes small. As the inclination of the disk oscillates with time, the time-graph of the normal contact force exhibits periodical peaks, which correlate well with the peaks in the recorded sound response. They could well be responsible for the rattling sound heard during the motion.

Jezik:Angleški jezik
Ključne besede:Euler's disk, rolling, sliding, numerical solution, rattling sound
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FGG - Fakulteta za gradbeništvo in geodezijo
Leto izida:2006
Založnik:Emerald
Št. strani:str. 49-66
Številčenje:Letn. 2, št. 1
UDK:624.072:519.63
ISSN pri članku:1573-6105
DOI:10.1163/157361106775249952 Povezava se odpre v novem oknu
COBISS.SI-ID:3141217 Povezava se odpre v novem oknu
Število ogledov:287
Število prenosov:92
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
 
Skupna ocena:(0 glasov)
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Gradivo je del revije

Naslov:Multidiscipline modeling in materials and structures
Založnik:VSP
ISSN:1573-6105
COBISS.SI-ID:3140961 Novo okno

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