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Non-synchronous vibration and frequency lock-in in coupled structures

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F21%3A43961351" target="_blank" >RIV/49777513:23520/21:43961351 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Non-synchronous vibration and frequency lock-in in coupled structures

  • Original language description

    The contribution is aimed at phenomenological modelling and analysis of basic properties of non-synchronous vibrations in chosen coupled structures. A van der Pol model is employed to simulate the aero-elastic interaction between rigid flexible body and fluid structure. Non-synchronous vibration, frequency lock-in along with hysteresis is captured in the main resonance area. Moreover, the model reveals sub-harmonic resonances accompanying with existence of unstable solutions and frequency lock-in.

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

  • OECD FORD branch

    20301 - Mechanical engineering

Result continuities

  • Project

    <a href="/en/project/GA20-26779S" target="_blank" >GA20-26779S: Study of dynamic stall flutter instabilities and their consequences in turbomachinery application by mathematical, numerical and experimental methods</a><br>

  • Continuities

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

Others

  • Publication year

    2021

  • Confidentiality

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