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    Monocular Computer Vision Method for the Experimental Study of Three-Dimensional Rocking Motion

    Source: Journal of Engineering Mechanics:;2016:;Volume ( 142 ):;issue: 001
    Author:
    Raphael J. Y. Greenbaum
    ,
    Andrew W. Smyth
    ,
    Manolis N. Chatzis
    DOI: 10.1061/(ASCE)EM.1943-7889.0000972
    Publisher: American Society of Civil Engineers
    Abstract: The rocking problem is applicable to a wide variety of structural and nonstructural elements. The current applications range from bridge pier and shallow footing design to hospital and data center equipment, even art preservation. Despite the increasing number of theoretical and simulation studies of rocking motion, few experimental studies exist. Of those that have been published, most are focused on a reduced version of the problem introducing modifications to the physical problem with the purpose of eliminating either sliding, uplift, or the three-dimensional (3D) response of the body. However, all of these phenomena may affect the response of an unrestrained rocking body. The intent of this work is to present a computer vision method that allows for the experimental measurement of the rigid body translation and rotation time histories in three dimensions. Experimental results obtained with this method will be presented to demonstrate that it obtains greater than 97% accuracy when compared against National Institute of Standards and Technology traceable displacement sensors. The work concludes with two example experimental studies of rigid body rocking measured with this method as proof of concept. The experimental results highlight important phenomena predicted in some state-of-the-art models for 3D rocking behavior.
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      Monocular Computer Vision Method for the Experimental Study of Three-Dimensional Rocking Motion

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4243016
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    contributor authorRaphael J. Y. Greenbaum
    contributor authorAndrew W. Smyth
    contributor authorManolis N. Chatzis
    date accessioned2017-12-30T12:53:36Z
    date available2017-12-30T12:53:36Z
    date issued2016
    identifier other%28ASCE%29EM.1943-7889.0000972.pdf
    identifier urihttp://138.201.223.254:8080/yetl1/handle/yetl/4243016
    description abstractThe rocking problem is applicable to a wide variety of structural and nonstructural elements. The current applications range from bridge pier and shallow footing design to hospital and data center equipment, even art preservation. Despite the increasing number of theoretical and simulation studies of rocking motion, few experimental studies exist. Of those that have been published, most are focused on a reduced version of the problem introducing modifications to the physical problem with the purpose of eliminating either sliding, uplift, or the three-dimensional (3D) response of the body. However, all of these phenomena may affect the response of an unrestrained rocking body. The intent of this work is to present a computer vision method that allows for the experimental measurement of the rigid body translation and rotation time histories in three dimensions. Experimental results obtained with this method will be presented to demonstrate that it obtains greater than 97% accuracy when compared against National Institute of Standards and Technology traceable displacement sensors. The work concludes with two example experimental studies of rigid body rocking measured with this method as proof of concept. The experimental results highlight important phenomena predicted in some state-of-the-art models for 3D rocking behavior.
    publisherAmerican Society of Civil Engineers
    titleMonocular Computer Vision Method for the Experimental Study of Three-Dimensional Rocking Motion
    typeJournal Paper
    journal volume142
    journal issue1
    journal titleJournal of Engineering Mechanics
    identifier doi10.1061/(ASCE)EM.1943-7889.0000972
    page04015062
    treeJournal of Engineering Mechanics:;2016:;Volume ( 142 ):;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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