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作者:

Long, Yuan (Long, Yuan.) | Zhou, HongYuan (Zhou, HongYuan.) (学者:周宏元) | Liang, XiangQian (Liang, XiangQian.) | Song, Ge (Song, Ge.) | Chen, ZuYu (Chen, ZuYu.) | Hu, Jing (Hu, Jing.) | Wang, QiuSheng (Wang, QiuSheng.) (学者:王秋生) | Zhang, XueDong (Zhang, XueDong.) | Liang, JianHui (Liang, JianHui.) | Huang, ZhiJie (Huang, ZhiJie.)

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EI Scopus SCIE CSCD

摘要:

Part II of this paper is focused on the dynamic response of a steel plate of the centrifuge model which is fixed on the container. This plate is 5 cm thick, allowing for non-destructive elastic response to all the 19 blasts. Three accelerators and 10 sets of strain gauges are installed on the plate to monitor the acceleration and deformation histories induced by shock waves and bubble oscillations. This article presents the characteristic values measured for shock waves and bubble oscillations response. The detailed information can be found in a database available on the web. In order to obtain the correct acceleration time history, the cut-off frequency of low-pass filtering by Fourier transformation was applied. The results indicated that the acceleration and strain induced by shock wave was nearly unaffected by the increasing gravity, while the effect of gravity has remarkable influence on those induced by bubble oscillation. A preliminary study of comparing the measured dynamic response with numerical simulations has been carried out using ANSYS LS-DYNA. The results captured the dynamic response in terms of characteristics and trends, but deviated in magnitude due the theoretical and technological limitations involved in both the physical and numerical models. It certainly deserves further studies.

关键词:

strain bubble oscillation shock wave underwater explosion acceleration LS-DYNA

作者机构:

  • [ 1 ] [Long, Yuan]PLA Univ Sci & Technol, Coll Field Engn, Nanjing 210007, Jiangsu, Peoples R China
  • [ 2 ] [Song, Ge]PLA Univ Sci & Technol, Coll Field Engn, Nanjing 210007, Jiangsu, Peoples R China
  • [ 3 ] [Zhou, HongYuan]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 4 ] [Wang, QiuSheng]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 5 ] [Liang, XiangQian]China Inst Water Resources & Hydropower Res, Beijing 100048, Peoples R China
  • [ 6 ] [Chen, ZuYu]China Inst Water Resources & Hydropower Res, Beijing 100048, Peoples R China
  • [ 7 ] [Hu, Jing]China Inst Water Resources & Hydropower Res, Beijing 100048, Peoples R China
  • [ 8 ] [Zhang, XueDong]China Inst Water Resources & Hydropower Res, Beijing 100048, Peoples R China
  • [ 9 ] [Liang, JianHui]China Inst Water Resources & Hydropower Res, Beijing 100048, Peoples R China
  • [ 10 ] [Huang, ZhiJie]China Inst Water Resources & Hydropower Res, Beijing 100048, Peoples R China
  • [ 11 ] [Hu, Jing]Beihang Univ, Sch Transportat Sci & Engn, Beijing 10083, Peoples R China

通讯作者信息:

  • 王秋生

    [Wang, QiuSheng]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China

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来源 :

SCIENCE CHINA-TECHNOLOGICAL SCIENCES

ISSN: 1674-7321

年份: 2017

期: 12

卷: 60

页码: 1941-1957

4 . 6 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:165

中科院分区:3

被引次数:

WoS核心集被引频次: 28

SCOPUS被引频次: 35

ESI高被引论文在榜: 0 展开所有

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