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    Width-Wise Variation of Magnetic Tape Pack Stresses

    Source: Journal of Applied Mechanics:;2002:;volume( 069 ):;issue: 003::page 358
    Author:
    Y. M. Lee
    ,
    Assoc. Mem. ASME
    ,
    J. A. Wickert
    DOI: 10.1115/1.1460911
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A model is developed for predicting the stress and displacement fields within a magnetic tape pack, where those quantities are allowed to vary in both the pack’s radial and transverse (cross-tape) directions. As has been the case in previous analyses based upon one-dimensional wound roll models, the present approach accounts for the anisotropic and nonlinear constitutive properties of the layered tape, and the incremental manner in which the pack is wound. Further, such widthwise variation effects as differential hub compliance and nonuniform winding tension, which can be significant in data cartridge design, are also treated in the model. The pack is analyzed through a two-dimensional axisymmetric finite element model that couples individual representations of the hub/flange and layered tape substructures. The bulk radial elastic modulus of the tape, which depends on the in-pack radial stress, is measured for a variety of media samples, and a reduced-order model is developed to capture the nonlinear modulus-stress correlation. The stiffness matrix of the hub/flange at its interface with the media provides a mixed boundary condition to the tape substructure. In this manner, design-specific hubs can be readily analyzed, and criteria for their optimization explored. Simulations of several cartridge designs are presented, and the roles of hub compliance and wound-in tension gradient in setting the pack’s stress field and cross-tape width change are discussed.
    keyword(s): Stress , Design , Tension AND Winding (process) ,
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      Width-Wise Variation of Magnetic Tape Pack Stresses

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    contributor authorY. M. Lee
    contributor authorAssoc. Mem. ASME
    contributor authorJ. A. Wickert
    date accessioned2017-05-09T00:06:40Z
    date available2017-05-09T00:06:40Z
    date copyrightMay, 2002
    date issued2002
    identifier issn0021-8936
    identifier otherJAMCAV-26534#358_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/126294
    description abstractA model is developed for predicting the stress and displacement fields within a magnetic tape pack, where those quantities are allowed to vary in both the pack’s radial and transverse (cross-tape) directions. As has been the case in previous analyses based upon one-dimensional wound roll models, the present approach accounts for the anisotropic and nonlinear constitutive properties of the layered tape, and the incremental manner in which the pack is wound. Further, such widthwise variation effects as differential hub compliance and nonuniform winding tension, which can be significant in data cartridge design, are also treated in the model. The pack is analyzed through a two-dimensional axisymmetric finite element model that couples individual representations of the hub/flange and layered tape substructures. The bulk radial elastic modulus of the tape, which depends on the in-pack radial stress, is measured for a variety of media samples, and a reduced-order model is developed to capture the nonlinear modulus-stress correlation. The stiffness matrix of the hub/flange at its interface with the media provides a mixed boundary condition to the tape substructure. In this manner, design-specific hubs can be readily analyzed, and criteria for their optimization explored. Simulations of several cartridge designs are presented, and the roles of hub compliance and wound-in tension gradient in setting the pack’s stress field and cross-tape width change are discussed.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleWidth-Wise Variation of Magnetic Tape Pack Stresses
    typeJournal Paper
    journal volume69
    journal issue3
    journal titleJournal of Applied Mechanics
    identifier doi10.1115/1.1460911
    journal fristpage358
    journal lastpage369
    identifier eissn1528-9036
    keywordsStress
    keywordsDesign
    keywordsTension AND Winding (process)
    treeJournal of Applied Mechanics:;2002:;volume( 069 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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