Different Approaches to Modeling of Proportional Damping
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F15%3A00231719" target="_blank" >RIV/68407700:21110/15:00231719 - isvavai.cz</a>
Výsledek na webu
—
DOI - Digital Object Identifier
—
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Different Approaches to Modeling of Proportional Damping
Popis výsledku v původním jazyce
This article is focused on the comparison of mathematical models, which are usable for description of damping in the linear proportional systems with single and multi degrees of freedom (SDOF and MDOF). The viscous and hysteretic models have been applied on the SDOF system. The hysteretic damping, Rayleigh's and Caughey's damping matrices have been mentioned and considered for modeling of damping in systems with more than one degree of freedom. The wellknown Rayleigh's model is proportional to the mass and stiffness matrices. Caughey's model is more general than Rayleigh's. This model is able to prescribe an arbitrary number of damping ratios, but on the other hand using odd number of members in Caughey's series should not be allowed due to the negative values of damping ratios in higher modes, which brings self exciting effect. The hysteretic model is defined only in the frequency domain therefore the frequency response functions of each model have been compared.
Název v anglickém jazyce
Different Approaches to Modeling of Proportional Damping
Popis výsledku anglicky
This article is focused on the comparison of mathematical models, which are usable for description of damping in the linear proportional systems with single and multi degrees of freedom (SDOF and MDOF). The viscous and hysteretic models have been applied on the SDOF system. The hysteretic damping, Rayleigh's and Caughey's damping matrices have been mentioned and considered for modeling of damping in systems with more than one degree of freedom. The wellknown Rayleigh's model is proportional to the mass and stiffness matrices. Caughey's model is more general than Rayleigh's. This model is able to prescribe an arbitrary number of damping ratios, but on the other hand using odd number of members in Caughey's series should not be allowed due to the negative values of damping ratios in higher modes, which brings self exciting effect. The hysteretic model is defined only in the frequency domain therefore the frequency response functions of each model have been compared.
Klasifikace
Druh
D - Stať ve sborníku
CEP obor
JN - Stavebnictví
OECD FORD obor
—
Návaznosti výsledku
Projekt
—
Návaznosti
S - Specificky vyzkum na vysokych skolach
Ostatní
Rok uplatnění
2015
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název statě ve sborníku
Trends in Statics and Dynamics of Constructions
ISBN
978-3-03835-485-7
ISSN
1660-9336
e-ISSN
—
Počet stran výsledku
6
Strana od-do
166-171
Název nakladatele
Trans Tech Publications Offices LTD
Místo vydání
Zürich
Místo konání akce
Bratislava
Datum konání akce
16. 10. 2014
Typ akce podle státní příslušnosti
WRD - Celosvětová akce
Kód UT WoS článku
—