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    Free Vibration of a Fluid Loaded Ring Stiffened Conical Shell With Variable Thickness

    Source: Journal of Vibration and Acoustics:;2014:;volume( 136 ):;issue: 005::page 51003
    Author:
    Liu, Ming
    ,
    Liu, Jun
    ,
    Cheng, Yuansheng
    DOI: 10.1115/1.4027804
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: An analytical method is presented for the free vibration of a fluid loaded (submerged) ringstiffened conical shell with variable thickness in the low frequency range. Based on the Flأ¼gge theory and equivalent method of ringstiffeners, the governing equations of vibration of a ringstiffened conical shell are developed in the form of a coupled set of the first order differential equations. Fluid loading is taken into account by dividing the shell into narrow strips which are considered to be locally cylindrical. Analytical solutions are presented by using the transfer matrix method, which is suitable for structures broken into a sequence of subsystems that interact only with adjacent subsystems. By comparing the results from the present method and the finite element model, good agreement are obtained. The effects of the spacing of the stiffeners, the shell thickness, the shell thickness ratio, the ring's height, and the boundary conditions on the natural frequencies of the fluid loaded ringstiffened conical shell with variable thickness are discussed.
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      Free Vibration of a Fluid Loaded Ring Stiffened Conical Shell With Variable Thickness

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    http://yetl.yabesh.ir/yetl1/handle/yetl/156808
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    contributor authorLiu, Ming
    contributor authorLiu, Jun
    contributor authorCheng, Yuansheng
    date accessioned2017-05-09T01:14:14Z
    date available2017-05-09T01:14:14Z
    date issued2014
    identifier issn1048-9002
    identifier othervib_136_05_051003.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/156808
    description abstractAn analytical method is presented for the free vibration of a fluid loaded (submerged) ringstiffened conical shell with variable thickness in the low frequency range. Based on the Flأ¼gge theory and equivalent method of ringstiffeners, the governing equations of vibration of a ringstiffened conical shell are developed in the form of a coupled set of the first order differential equations. Fluid loading is taken into account by dividing the shell into narrow strips which are considered to be locally cylindrical. Analytical solutions are presented by using the transfer matrix method, which is suitable for structures broken into a sequence of subsystems that interact only with adjacent subsystems. By comparing the results from the present method and the finite element model, good agreement are obtained. The effects of the spacing of the stiffeners, the shell thickness, the shell thickness ratio, the ring's height, and the boundary conditions on the natural frequencies of the fluid loaded ringstiffened conical shell with variable thickness are discussed.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleFree Vibration of a Fluid Loaded Ring Stiffened Conical Shell With Variable Thickness
    typeJournal Paper
    journal volume136
    journal issue5
    journal titleJournal of Vibration and Acoustics
    identifier doi10.1115/1.4027804
    journal fristpage51003
    journal lastpage51003
    identifier eissn1528-8927
    treeJournal of Vibration and Acoustics:;2014:;volume( 136 ):;issue: 005
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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