Numerical analysis of the resonance mechanism of the lumped parameter system model for acoustic mine detection

doi:10.1088/1674-1056/22/12/124601

Chin. Phys. B ›› 2013, Vol. 22 ›› Issue (12): 124601-124601.doi: 10.1088/1674-1056/22/12/124601

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Numerical analysis of the resonance mechanism of the lumped parameter system model for acoustic mine detection

王驰, 周瑜秋, 沈高炜, 吴文雯, 丁卫

Department of Precision Mechanical Engineering, Shanghai University, Shanghai 200072, China

收稿日期:2013-02-23 修回日期:2013-04-19 出版日期:2013-10-25 发布日期:2013-10-25
基金资助:
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.

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

Received:2013-02-23 Revised:2013-04-19 Online:2013-10-25 Published:2013-10-25
Contact: Wang Chi E-mail:wangchi@shu.edu.cn
Supported by:
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.

摘要/Abstract

摘要： 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.

关键词: acoustic mine detection, acoustic–, seismic coupling, resonance model

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.

Key words: acoustic mine detection, acoustic–seismic coupling, resonance model

中图分类号: (Vibrations and mechanical waves)

46.40.-f

46.40.Ff (Resonance, damping, and dynamic stability) 43.20.+g (General linear acoustics) 43.40.+s (Structural acoustics and vibration)

王驰, 周瑜秋, 沈高炜, 吴文雯, 丁卫. Numerical analysis of the resonance mechanism of the lumped parameter system model for acoustic mine detection[J]. Chin. Phys. B, 2013, 22(12): 124601-124601.

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[J]. Chin. Phys. B, 2013, 22(12): 124601-124601.

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Numerical analysis of the resonance mechanism of the lumped parameter system model for acoustic mine detection

Numerical analysis of the resonance mechanism of the lumped parameter system model for acoustic mine detection

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