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

JIANG Ting-hua; HUA Xiao-xian; WU Wei-qin

doi:10.15949/j.cnki.0371-0025.1985.02.002

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

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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

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

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

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