Liquid vibrations in cylindrical tanks with and without baffles under lateral and longitudinal excitations

• Autorzy: Strelnikova E. , Kriutchenko D. , Gnitko V. , Tonkonozhenko A.

Identyfikatory

DOI

10.2478/ijame-2020-0038

• Języki publikacji: EN

Abstrakty

EN

The paper is devoted to issues of estimating free surface elevations in rigid cylindrical fluid-filled tanks dunder external loadings. The possibility of baffles installation is provided. The liquid vibrations caused by lateral and longitudinal harmonic loadings are under consideration. Free, forced and parametrical vibrations are examined. Modes of the free liquid vibrations are considered as basic functions for the analysis of forced and parametric vibrations. The modes of the free liquid vibrations in baffled and un-baffled cylindrical tanks are received by using single-domain and multi-domain boundary element methods. Effects of baffle installation are studied. The problems of forced vibrations are reduced to solving the systems of second order ordinary differential equations. For parametric vibrations the system of Mathieu equations is obtained. The numerical simulation of free surface elevations at different loadings and baffle configurations is accomplished. Beat phenomena effects are considered under lateral harmonic excitations. The phenomenon of parametric resonance is examined under longitudinal harmonic excitations.

Słowa kluczowe

EN

sloshing; cylindrical tank; baffle; free vibrations; forced vibrations; parametric resonance; boundary element method; Ince-Strutt diagram

PL

zbiornik cylindryczny; drgania swobodne; rezonans parametryczny

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mechanics and Engineering
• Rocznik: 2020
• Tom: Vol. 25, no. 3
• Strony: 117--132
• Opis fizyczny: Bibliogr. 23 poz., rys., tab., wykr.

Twórcy

autor

Strelnikova E.

• Podgorny Institute of Mechanical Engineering Problems of the Ukrainian Academy of Sciences UKRAINE
• V.N. Karazin Kharkiv National University UKRAINE

autor

Kriutchenko D.

• Podgorny Institute of Mechanical Engineering Problems of the Ukrainian Academy of Sciences UKRAINE

autor

Gnitko V.

• Podgorny Institute of Mechanical Engineering Problems of the Ukrainian Academy of Sciences UKRAINE

autor

Tonkonozhenko A.

• M.K. Yangel Yuzhnoye State Design Office UKRAINE

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021)