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    Initial Response of a Rock Penetrator

    Source: Journal of Applied Mechanics:;1978:;volume( 045 ):;issue: 003::page 559
    Author:
    D. B. Longcope
    ,
    D. E. Grady
    DOI: 10.1115/1.3424361
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: An analysis based on elastic rod theory is given for the early-time axisymmetric response of pointed penetrators. Results of measurements by laser interferometry of the back surface particle velocity of laboratory scale penetrators impacted by sandstone targets are presented. Values of the initial pressure on the penetrator tip are determined which give good agreement between the analytical and experimental results. These initial tip pressures are found to be approximated by the stress-particle velocity Hugoniot for the target material.
    keyword(s): Rocks , Particulate matter , Stress , Pressure , Lasers , Measurement AND Interferometry ,
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      Initial Response of a Rock Penetrator

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    contributor authorD. B. Longcope
    contributor authorD. E. Grady
    date accessioned2017-05-08T23:04:07Z
    date available2017-05-08T23:04:07Z
    date copyrightSeptember, 1978
    date issued1978
    identifier issn0021-8936
    identifier otherJAMCAV-26098#559_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/90649
    description abstractAn analysis based on elastic rod theory is given for the early-time axisymmetric response of pointed penetrators. Results of measurements by laser interferometry of the back surface particle velocity of laboratory scale penetrators impacted by sandstone targets are presented. Values of the initial pressure on the penetrator tip are determined which give good agreement between the analytical and experimental results. These initial tip pressures are found to be approximated by the stress-particle velocity Hugoniot for the target material.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleInitial Response of a Rock Penetrator
    typeJournal Paper
    journal volume45
    journal issue3
    journal titleJournal of Applied Mechanics
    identifier doi10.1115/1.3424361
    journal fristpage559
    journal lastpage564
    identifier eissn1528-9036
    keywordsRocks
    keywordsParticulate matter
    keywordsStress
    keywordsPressure
    keywordsLasers
    keywordsMeasurement AND Interferometry
    treeJournal of Applied Mechanics:;1978:;volume( 045 ):;issue: 003
    contenttypeFulltext
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