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    Advanced Modeling of Underplatform Friction Dampers for Analysis of Bladed Disk Vibration

    Source: Journal of Turbomachinery:;2007:;volume( 129 ):;issue: 001::page 143
    Author:
    E. P. Petrov
    ,
    D. J. Ewins
    DOI: 10.1115/1.2372775
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Advanced structural dynamic models for both wedge and split underplatform dampers have been developed. The new damper models take into account inertia forces and the effects of normal load variation on stick-slip transitions at the contact interfaces. The damper models are formulated for the general case of multiharmonic forced response analysis. An approach for using the new damper models in the dynamic analysis of large-scale finite element models of bladed disks is proposed and realized. Numerical investigations of bladed disks are performed to demonstrate the capabilities of the new models and an analysis of the influence of the damper parameters on the forced response of bladed disks is made.
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      Advanced Modeling of Underplatform Friction Dampers for Analysis of Bladed Disk Vibration

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    http://yetl.yabesh.ir/yetl1/handle/yetl/137070
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    contributor authorE. P. Petrov
    contributor authorD. J. Ewins
    date accessioned2017-05-09T00:26:14Z
    date available2017-05-09T00:26:14Z
    date copyrightJanuary, 2007
    date issued2007
    identifier issn0889-504X
    identifier otherJOTUEI-28734#143_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/137070
    description abstractAdvanced structural dynamic models for both wedge and split underplatform dampers have been developed. The new damper models take into account inertia forces and the effects of normal load variation on stick-slip transitions at the contact interfaces. The damper models are formulated for the general case of multiharmonic forced response analysis. An approach for using the new damper models in the dynamic analysis of large-scale finite element models of bladed disks is proposed and realized. Numerical investigations of bladed disks are performed to demonstrate the capabilities of the new models and an analysis of the influence of the damper parameters on the forced response of bladed disks is made.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleAdvanced Modeling of Underplatform Friction Dampers for Analysis of Bladed Disk Vibration
    typeJournal Paper
    journal volume129
    journal issue1
    journal titleJournal of Turbomachinery
    identifier doi10.1115/1.2372775
    journal fristpage143
    journal lastpage150
    identifier eissn1528-8900
    treeJournal of Turbomachinery:;2007:;volume( 129 ):;issue: 001
    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
    yabeshDSpacePersian