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    Uniform Gradient Element Formulation with Hourglass Control Scheme for Solving Fully Coupled Finite-Element Equations for Saturated Soils

    Source: International Journal of Geomechanics:;2016:;Volume ( 016 ):;issue: 001
    Author:
    Nadarajah
    ,
    Ravichandran
    ,
    Kanthasamy K.
    ,
    Muraleetharan
    ,
    Lee M.
    ,
    Taylor
    ,
    Kyran D.
    ,
    Mish
    DOI: 10.1061/(ASCE)GM.1943-5622.0000490
    Publisher: American Society of Civil Engineers
    Abstract: A uniform gradient (UG) element formulation for a four-node quadrilateral element is derived and implemented for solving the fully coupled governing equations for the dynamics of a saturated porous medium. An hourglass control scheme is also derived for eliminating the hourglass modes that arise when using the UG element formulation. The effectiveness of the new formulations is investigated by simulating the quasi-static and dynamics response of a footing and the dynamic response of an earth dam. The results show that the level of excitation of hourglass modes is problem-dependent and mesh-dependent. The proposed method for controlling the hourglass modes is shown to be effective with minimal effect on the computed response.
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      Uniform Gradient Element Formulation with Hourglass Control Scheme for Solving Fully Coupled Finite-Element Equations for Saturated Soils

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    http://yetl.yabesh.ir/yetl1/handle/yetl/80704
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    • International Journal of Geomechanics

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    contributor authorNadarajah
    contributor authorRavichandran
    contributor authorKanthasamy K.
    contributor authorMuraleetharan
    contributor authorLee M.
    contributor authorTaylor
    contributor authorKyran D.
    contributor authorMish
    date accessioned2017-05-08T22:26:33Z
    date available2017-05-08T22:26:33Z
    date copyrightFebruary 2016
    date issued2016
    identifier other45144302.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/80704
    description abstractA uniform gradient (UG) element formulation for a four-node quadrilateral element is derived and implemented for solving the fully coupled governing equations for the dynamics of a saturated porous medium. An hourglass control scheme is also derived for eliminating the hourglass modes that arise when using the UG element formulation. The effectiveness of the new formulations is investigated by simulating the quasi-static and dynamics response of a footing and the dynamic response of an earth dam. The results show that the level of excitation of hourglass modes is problem-dependent and mesh-dependent. The proposed method for controlling the hourglass modes is shown to be effective with minimal effect on the computed response.
    publisherAmerican Society of Civil Engineers
    titleUniform Gradient Element Formulation with Hourglass Control Scheme for Solving Fully Coupled Finite-Element Equations for Saturated Soils
    typeJournal Paper
    journal volume16
    journal issue1
    journal titleInternational Journal of Geomechanics
    identifier doi10.1061/(ASCE)GM.1943-5622.0000490
    treeInternational Journal of Geomechanics:;2016:;Volume ( 016 ):;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