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    Saint-Venant End Effects for Materials With Negative Poisson’s Ratios

    Source: Journal of Applied Mechanics:;1992:;volume( 059 ):;issue: 004::page 744
    Author:
    R. S. Lakes
    DOI: 10.1115/1.2894037
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: In this paper we analyze Saint-Venant end effects for materials with negative Poisson ’s ratios. We present an example of slow decay of stress arising from selfequilibrated stress at the end of a circular cylinder of elastic material with a negative Poisson’s ratio. By contrast, a sandwich panel containing rigid face sheets and a compliant core exhibits no anomalous effects for negative Poisson’s ratio, but exhibits slow stress decay for core Poisson’s ratio approaching 0.5. In sandwich panels with stiff but not perfectly rigid face sheets, slow decay of stress is known to occur; a negative Poisson’s ratio results in end stress decay, which is faster than it would be otherwise.
    keyword(s): Stress , Poisson ratio AND Circular cylinders ,
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      Saint-Venant End Effects for Materials With Negative Poisson’s Ratios

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    contributor authorR. S. Lakes
    date accessioned2017-05-08T23:37:19Z
    date available2017-05-08T23:37:19Z
    date copyrightDecember, 1992
    date issued1992
    identifier issn0021-8936
    identifier otherJAMCAV-26345#744_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/109598
    description abstractIn this paper we analyze Saint-Venant end effects for materials with negative Poisson ’s ratios. We present an example of slow decay of stress arising from selfequilibrated stress at the end of a circular cylinder of elastic material with a negative Poisson’s ratio. By contrast, a sandwich panel containing rigid face sheets and a compliant core exhibits no anomalous effects for negative Poisson’s ratio, but exhibits slow stress decay for core Poisson’s ratio approaching 0.5. In sandwich panels with stiff but not perfectly rigid face sheets, slow decay of stress is known to occur; a negative Poisson’s ratio results in end stress decay, which is faster than it would be otherwise.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleSaint-Venant End Effects for Materials With Negative Poisson’s Ratios
    typeJournal Paper
    journal volume59
    journal issue4
    journal titleJournal of Applied Mechanics
    identifier doi10.1115/1.2894037
    journal fristpage744
    journal lastpage746
    identifier eissn1528-9036
    keywordsStress
    keywordsPoisson ratio AND Circular cylinders
    treeJournal of Applied Mechanics:;1992:;volume( 059 ):;issue: 004
    contenttypeFulltext
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