Forced movement of a ball in spherical cavity under kinematic excitation

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378297%3A_____%2F18%3A00489605" target="_blank" >RIV/68378297:_____/18:00489605 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.engmech.cz/improc/2018/573.pdf" target="_blank" >http://www.engmech.cz/improc/2018/573.pdf</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.21495/91-8-573" target="_blank" >10.21495/91-8-573</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Forced movement of a ball in spherical cavity under kinematic excitation

Popis výsledku v původním jazyce

In the paper the response of a heavy ball rolling inside a semi-spherical cavity under horizontal kinematic excitation is investigated. The system with six degrees of freedom with three non-holonomic constraints is considered. The contact between the ball and the cavity surface is supposed to be perfect without any sliding. The mathematical model using the Appel-Gibbs function of acceleration energy is developed and discussed. The most important post-critical regimes are outlined and qualitatively evaluated on the frequency axis. Numerical experiments have been performed when excitation frequency is slowly swept up and down. Results obtained by means of semi-analytical investigation and numerical simulation are evaluated and physically interpreted. Some applications in civil engineering as a tuned mass damper used on slender structures is outlined. Strengths and weaknesses of solution method are evaluated.

Název v anglickém jazyce

Forced movement of a ball in spherical cavity under kinematic excitation

Popis výsledku anglicky

In the paper the response of a heavy ball rolling inside a semi-spherical cavity under horizontal kinematic excitation is investigated. The system with six degrees of freedom with three non-holonomic constraints is considered. The contact between the ball and the cavity surface is supposed to be perfect without any sliding. The mathematical model using the Appel-Gibbs function of acceleration energy is developed and discussed. The most important post-critical regimes are outlined and qualitatively evaluated on the frequency axis. Numerical experiments have been performed when excitation frequency is slowly swept up and down. Results obtained by means of semi-analytical investigation and numerical simulation are evaluated and physically interpreted. Some applications in civil engineering as a tuned mass damper used on slender structures is outlined. Strengths and weaknesses of solution method are evaluated.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

20102 - Construction engineering, Municipal and structural engineering

Projekt

<a href="/cs/project/GC17-26353J" target="_blank" >GC17-26353J: Teoretické prediktivní modely interakce proměnného a pohyblivého zatížení využitelné v monitoringu mostních konstrukcí</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Engineering mechanics 2018. Book of full texts

ISBN

978-80-86246-88-8

ISSN

1805-8248

e-ISSN

—

Počet stran výsledku

4

Strana od-do

573-576

Název nakladatele

Institute of Theoretical and Applied Mechanics of the Czech Academy of Sciences

Místo vydání

Prague

Místo konání akce

Svratka

Datum konání akce

14. 5. 2018

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

000465489800143