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Global Geology 2023, 26(4) 264-272 DOI: ISSN: 1673-9736 CN: 22-1371/P

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	PubMed
	Article by Wang H
	Article by Du LASZ

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Optimization design of conical reaction teeth of shear wave vibroseis vibration plate

WANG Hongxiang1 , DU Lizhi1* and SUN Zhen2

1. College of Construction Engineering, Jilin University, Changchun 130026, China;
2. China Water Northeast Survey, Design and Research Co., LTD, Changchun 130061, China

Abstract: The vibrator plate is the link between the vibroseis vehicle and the earth, as well as the core component of the vibrator vehicle. In this paper, the coupling effect between the vibrator plate and the earth is analyzed from two aspects of reaction tooth arrangement and reaction tooth conical angle, and three groups of experimental models are optimized and designed. The model construction and numerical analysis of the shear wave vibroseis vibrator plate are carried out with ANSYS software.The motion law between the vibration plate and the earth at work was studied, the strain energy of the three experimental models in operation, the maximum displacement of particle at the same position and other reference indices were compared and analyzed, with 28 conical reaction teeth were arranged on both sides. The coupling effect between the vibration plate and the earth was best when the tooth angle was 60°. Compared with the toothless vibration plate, the energy efficiency is improved by about 20%, and the coupling effect between the vibrator plate and the earth is effectively enhanced. It is found that the coupling effect is enhanced through increasing the number of reaction teeth of the vibration plate by increasing the coupling area between the vibration plate and the earth.

Keywords: shear wave vibroseis vibration plate conical reaction teeth

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