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    Deformation of Metal Pipe due to Underwater Shock Wave

    Source: Journal of Pressure Vessel Technology:;1999:;volume( 121 ):;issue: 002::page 176
    Author:
    S. Itoh
    ,
    A. Kira
    ,
    Z.-Y. Liu
    ,
    S. Nagano
    DOI: 10.1115/1.2883682
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The deformation process of the metal pipes, accelerated by underwater shock wave resulting from the underwater detonation of explosive inside the metal pipe, was investigated by means of both the optical observation experiment and the numerical calculation. The expanding deformation of metal pipes was experimentally viewed by both framing and streak photographic means. A computer code based on the arbitrary Lagrangian and Eulerian (ALE) method was used to perform the numerical simulation on this problem. It has confirmed that the deformations of the metal pipes obtained from the streak photographs agree quite well with those obtained by the numerical calculation. The experimental and numerical results both show that the expanding velocity along the radial direction in aluminum pipe is larger than that in copper pipe, under the same loading conditions; and also, the time needed to reach the maximum radial velocity is shorter in aluminum pipe than in copper pipe. The calculations clearly indicate that the metal pipes are able to acquire a maximum expanding velocity along the radial direction in a very short time after the beginning of the action of underwater shock wave, and also this maximum velocity value only decreases a little in the later time period.
    keyword(s): Deformation , Metals , Shock waves , Pipes , Copper , Aluminum , Explosions , Computer simulation , Computers , Explosives AND Structural frames ,
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      Deformation of Metal Pipe due to Underwater Shock Wave

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/122740
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    contributor authorS. Itoh
    contributor authorA. Kira
    contributor authorZ.-Y. Liu
    contributor authorS. Nagano
    date accessioned2017-05-09T00:00:42Z
    date available2017-05-09T00:00:42Z
    date copyrightMay, 1999
    date issued1999
    identifier issn0094-9930
    identifier otherJPVTAS-28391#176_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/122740
    description abstractThe deformation process of the metal pipes, accelerated by underwater shock wave resulting from the underwater detonation of explosive inside the metal pipe, was investigated by means of both the optical observation experiment and the numerical calculation. The expanding deformation of metal pipes was experimentally viewed by both framing and streak photographic means. A computer code based on the arbitrary Lagrangian and Eulerian (ALE) method was used to perform the numerical simulation on this problem. It has confirmed that the deformations of the metal pipes obtained from the streak photographs agree quite well with those obtained by the numerical calculation. The experimental and numerical results both show that the expanding velocity along the radial direction in aluminum pipe is larger than that in copper pipe, under the same loading conditions; and also, the time needed to reach the maximum radial velocity is shorter in aluminum pipe than in copper pipe. The calculations clearly indicate that the metal pipes are able to acquire a maximum expanding velocity along the radial direction in a very short time after the beginning of the action of underwater shock wave, and also this maximum velocity value only decreases a little in the later time period.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleDeformation of Metal Pipe due to Underwater Shock Wave
    typeJournal Paper
    journal volume121
    journal issue2
    journal titleJournal of Pressure Vessel Technology
    identifier doi10.1115/1.2883682
    journal fristpage176
    journal lastpage180
    identifier eissn1528-8978
    keywordsDeformation
    keywordsMetals
    keywordsShock waves
    keywordsPipes
    keywordsCopper
    keywordsAluminum
    keywordsExplosions
    keywordsComputer simulation
    keywordsComputers
    keywordsExplosives AND Structural frames
    treeJournal of Pressure Vessel Technology:;1999:;volume( 121 ):;issue: 002
    contenttypeFulltext
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