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    Effects of Geometric Imperfections on Large-Amplitude Vibrations of Rectangular Plates With Hysteresis Damping

    Source: Journal of Applied Mechanics:;1984:;volume( 051 ):;issue: 001::page 216
    Author:
    David Hui
    DOI: 10.1115/1.3167582
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The present paper deals with the effects of initial geometric imperfections on large-amplitude vibrations of simply supported rectangular plates. The vibration mode, the geometric imperfection, and the forcing function are taken to be of the same spatial shape. It is found that geometric imperfections of the order of a fraction of the plate thickness may significantly raise the free linear vibration frequencies. Furthermore, contrary to the commonly accepted theory that large-amplitude vibrations of plates are of the hardening type, the presence of small geometric imperfections may cause the plate to exhibit a soft-spring behavior. The effects of hysteresis (structural) damping on the vibration amplitude are also examined.
    keyword(s): Plates (structures) , Vibration , Damping , Linear vibration , Hardening , Frequency , Shapes , Springs AND Thickness ,
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      Effects of Geometric Imperfections on Large-Amplitude Vibrations of Rectangular Plates With Hysteresis Damping

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    http://yetl.yabesh.ir/yetl1/handle/yetl/98122
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    contributor authorDavid Hui
    date accessioned2017-05-08T23:17:15Z
    date available2017-05-08T23:17:15Z
    date copyrightMarch, 1984
    date issued1984
    identifier issn0021-8936
    identifier otherJAMCAV-26232#216_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/98122
    description abstractThe present paper deals with the effects of initial geometric imperfections on large-amplitude vibrations of simply supported rectangular plates. The vibration mode, the geometric imperfection, and the forcing function are taken to be of the same spatial shape. It is found that geometric imperfections of the order of a fraction of the plate thickness may significantly raise the free linear vibration frequencies. Furthermore, contrary to the commonly accepted theory that large-amplitude vibrations of plates are of the hardening type, the presence of small geometric imperfections may cause the plate to exhibit a soft-spring behavior. The effects of hysteresis (structural) damping on the vibration amplitude are also examined.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleEffects of Geometric Imperfections on Large-Amplitude Vibrations of Rectangular Plates With Hysteresis Damping
    typeJournal Paper
    journal volume51
    journal issue1
    journal titleJournal of Applied Mechanics
    identifier doi10.1115/1.3167582
    journal fristpage216
    journal lastpage220
    identifier eissn1528-9036
    keywordsPlates (structures)
    keywordsVibration
    keywordsDamping
    keywordsLinear vibration
    keywordsHardening
    keywordsFrequency
    keywordsShapes
    keywordsSprings AND Thickness
    treeJournal of Applied Mechanics:;1984:;volume( 051 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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