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    Transient Thermoelastic Stress Fields in a Half-Space

    Source: Journal of Tribology:;2003:;volume( 125 ):;issue: 001::page 33
    Author:
    Shuangbiao Liu
    ,
    Qian Wang
    DOI: 10.1115/1.1501087
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Computing the thermoelastic stress field of a material subjected to frictional heating is essential for component failure prevention and life prediction. However, the analysis for three-dimensional thermoelastic stress field for tribological problems is not well developed. Furthermore, the pressure distribution due to rough surface contact is irregular; hence the frictional heating can hardly be described by an analytical expression. This paper presents a novel set of frequency-domain expressions (frequency response functions) of the thermoelastic stress field of a uniformly moving three-dimensional elastic half-space subjected to arbitrary transient frictional heating, where the velocity of the half-space, its magnitude and direction, can be an arbitrary function of time. General formulas are expressed in the form of time integrals, and important expressions for constant velocities are given for the transient-instantaneous, transient-continuous, and steady-state cases. The thermoelastic stress field inside a translating half-space with constant velocities are illustrated and discussed by using the discrete convolution and fast Fourier transform method when a parabolic type or an irregularly distributed heat source is applied.
    keyword(s): Heat , Stress , Elastic half space , Functions , Steady state , Heating , Frequency response , Pressure , Formulas , Fast Fourier transforms AND Surface roughness ,
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      Transient Thermoelastic Stress Fields in a Half-Space

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/129193
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    contributor authorShuangbiao Liu
    contributor authorQian Wang
    date accessioned2017-05-09T00:11:34Z
    date available2017-05-09T00:11:34Z
    date copyrightJanuary, 2003
    date issued2003
    identifier issn0742-4787
    identifier otherJOTRE9-28712#33_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/129193
    description abstractComputing the thermoelastic stress field of a material subjected to frictional heating is essential for component failure prevention and life prediction. However, the analysis for three-dimensional thermoelastic stress field for tribological problems is not well developed. Furthermore, the pressure distribution due to rough surface contact is irregular; hence the frictional heating can hardly be described by an analytical expression. This paper presents a novel set of frequency-domain expressions (frequency response functions) of the thermoelastic stress field of a uniformly moving three-dimensional elastic half-space subjected to arbitrary transient frictional heating, where the velocity of the half-space, its magnitude and direction, can be an arbitrary function of time. General formulas are expressed in the form of time integrals, and important expressions for constant velocities are given for the transient-instantaneous, transient-continuous, and steady-state cases. The thermoelastic stress field inside a translating half-space with constant velocities are illustrated and discussed by using the discrete convolution and fast Fourier transform method when a parabolic type or an irregularly distributed heat source is applied.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleTransient Thermoelastic Stress Fields in a Half-Space
    typeJournal Paper
    journal volume125
    journal issue1
    journal titleJournal of Tribology
    identifier doi10.1115/1.1501087
    journal fristpage33
    journal lastpage43
    identifier eissn1528-8897
    keywordsHeat
    keywordsStress
    keywordsElastic half space
    keywordsFunctions
    keywordsSteady state
    keywordsHeating
    keywordsFrequency response
    keywordsPressure
    keywordsFormulas
    keywordsFast Fourier transforms AND Surface roughness
    treeJournal of Tribology:;2003:;volume( 125 ):;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
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