ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Numerical analysis of the resonance mechanism of the lumped parameter system model for acoustic mine detection |
Wang Chi (王驰), Zhou Yu-Qiu (周瑜秋), Shen Gao-Wei (沈高炜), Wu Wen-Wen (吴文雯), Ding Wei (丁卫) |
Department of Precision Mechanical Engineering, Shanghai University, Shanghai 200072, China |
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Abstract The method of numerical analysis is employed to study the resonance mechanism of the lumped parameter system model for acoustic mine detection. Based on the basic principle of the acoustic resonance technique for mine detection and the characteristics of low-frequency acoustics, the “soil-mine” system could be equivalent to a damping “mass-spring” resonance model with a lumped parameter analysis method. The dynamic simulation software, Adams, is adopted to analyze the lumped parameter system model numerically. The simulated resonance frequency and anti-resonance frequency are 151 Hz and 512 Hz respectively, basically in agreement with the published resonance frequency of 155 Hz and anti-resonance frequency of 513 Hz, which were measured in the experiment. Therefore, the technique of numerical simulation is validated to have the potential for analyzing the acoustic mine detection model quantitatively. The influences of the soil and mine parameters on the resonance characteristics of the soil–mine system could be investigated by changing the parameter setup in a flexible manner.
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Received: 23 February 2013
Revised: 19 April 2013
Accepted manuscript online:
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PACS:
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46.40.-f
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(Vibrations and mechanical waves)
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46.40.Ff
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(Resonance, damping, and dynamic stability)
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43.20.+g
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(General linear acoustics)
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43.40.+s
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(Structural acoustics and vibration)
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Fund: Project supported, in part, by the National Natural Science Foundation of China (Grant No. 41104065), the "Chen Guang" Program of Shanghai Municipal Education Commission and Shanghai Education Development Foundation, China (Grant No. 12CG047), the Scientific Research Innovation Program of Shanghai Municipal Education Commission, China (Grant No. 13YZ022), and the State Key Laboratory of Precision Measuring Technology and Instruments, China. |
Corresponding Authors:
Wang Chi
E-mail: wangchi@shu.edu.cn
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Cite this article:
Wang Chi (王驰), Zhou Yu-Qiu (周瑜秋), Shen Gao-Wei (沈高炜), Wu Wen-Wen (吴文雯), Ding Wei (丁卫) Numerical analysis of the resonance mechanism of the lumped parameter system model for acoustic mine detection 2013 Chin. Phys. B 22 124601
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