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水中有限长弹性圆柱的目标强度研究

蒋廷华, 华孝先, 吴维琴

蒋廷华, 华孝先, 吴维琴. 水中有限长弹性圆柱的目标强度研究[J]. 声学学报, 1985, 10(2): 85-95. DOI: 10.15949/j.cnki.0371-0025.1985.02.002
引用本文: 蒋廷华, 华孝先, 吴维琴. 水中有限长弹性圆柱的目标强度研究[J]. 声学学报, 1985, 10(2): 85-95. DOI: 10.15949/j.cnki.0371-0025.1985.02.002
shu
JIANG Ting-hua, HUA Xiao-xian, WU Wei-qin. ON TARGET STRENGTH OF AN ELASTIC CYLINDER WITH FINITE LENGTH IN WATER[J]. ACTA ACUSTICA, 1985, 10(2): 85-95. DOI: 10.15949/j.cnki.0371-0025.1985.02.002
Citation: JIANG Ting-hua, HUA Xiao-xian, WU Wei-qin. ON TARGET STRENGTH OF AN ELASTIC CYLINDER WITH FINITE LENGTH IN WATER[J]. ACTA ACUSTICA, 1985, 10(2): 85-95. DOI: 10.15949/j.cnki.0371-0025.1985.02.002
shu
蒋廷华, 华孝先, 吴维琴. 水中有限长弹性圆柱的目标强度研究[J]. 声学学报, 1985, 10(2): 85-95. CSTR: 32049.14.11-2065.1985.02.002
引用本文: 蒋廷华, 华孝先, 吴维琴. 水中有限长弹性圆柱的目标强度研究[J]. 声学学报, 1985, 10(2): 85-95. CSTR: 32049.14.11-2065.1985.02.002
shu
JIANG Ting-hua, HUA Xiao-xian, WU Wei-qin. ON TARGET STRENGTH OF AN ELASTIC CYLINDER WITH FINITE LENGTH IN WATER[J]. ACTA ACUSTICA, 1985, 10(2): 85-95. CSTR: 32049.14.11-2065.1985.02.002
Citation: JIANG Ting-hua, HUA Xiao-xian, WU Wei-qin. ON TARGET STRENGTH OF AN ELASTIC CYLINDER WITH FINITE LENGTH IN WATER[J]. ACTA ACUSTICA, 1985, 10(2): 85-95. CSTR: 32049.14.11-2065.1985.02.002
shu

水中有限长弹性圆柱的目标强度研究

  • 1. 中国科学院声学研究所;

  • 2. 上海市计算技术研究所

ON TARGET STRENGTH OF AN ELASTIC CYLINDER WITH FINITE LENGTH IN WATER

  • 1. Institute of Acoustics, Academia Sinica;

  • 2. Shanghai Institute of Computational Technique

摘要

    摘要
  • 摘要: 本文将有限长钢圆柱当作弹性体处理,用有限元素法计算了频率为27kHz的声波从不同方向入射时的目标强度值,从中得到目标强度随方位变化的曲线。同时对该圆柱的目标强度进行实验测量,并将测量结果与上述计算结果和已知的刚性结果进行比较。结果表明弹性结果与实测结果更为接近。
    Abstract: In this paper, the target strength of a water-immersed finite steel cylinder is calculated for different incident direction using finite element method under the assumption that the cylinder is an elastic body and the 27 kHz incident sound wave is a plane wave. A corresponding experimental investigation was conducted and compared with the theoretical prediction. Results show that the theoretical prediction based on elastic body model is better than that based on the rigid body model.
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出版历程
  • 收稿日期:  1983-06-05
  • 网络出版日期:  2022-08-21

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