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山东大学学报 (工学版) ›› 2020, Vol. 50 ›› Issue (6): 9-16.doi: 10.6040/j.issn.1672-3961.0.2020.084

• • 上一篇    

深拖地震线列阵的动力学建模与位置预报

朱向前1,魏峥嵘2,3,裴彦良2,于凯本4,宗乐4   

  1. 1. 山东大学机械工程学院, 山东 济南 250061;2. 自然资源部第一海洋研究所自然资源部海洋地质与成矿作用重点实验室, 山东 青岛 266061;3. 长安大学地质工程与测绘学院, 陕西 西安 710054;4. 国家深海基地管理中心, 山东 青岛 266237
  • 发布日期:2020-12-15
  • 作者简介:朱向前(1987— ),男,山东平邑人,研究员,博士,主要研究方向为多体动力学,车辆动力学,海洋水动力学. E-mail:xqzhu@sdu.edu.cn
  • 基金资助:
    国家自然科学基金资助项目(51909145);国家重点研发计划资助项目(2016YFC0303901)

Dynamic modeling and position prediction of deep-towed seismic array

ZHU Xiangqian1, WEI Zhengrong2,3, PEI Yanliang2, YU Kaiben4, ZONG Le4   

  1. 1. School of Mechanical Engineering, Shandong University, Jinan 250061, Shandong, China;
    2. Key Laboratory of Marine Geology and Metallogeny, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, Shandong, China;
    3. College of Geological Engineering and Geomatics, Chang'an University, Xi'an 710054, Shaannxi, China;
    4. National Deep Sea Center, Qingdao 266237, Shandong, China
  • Published:2020-12-15

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摘要： 鉴于传统反演法无法准确计算线列阵位置,提议搭建拖体-线列阵-阻力伞系统的动力学模型,借助动力学仿真计算线列阵的位置。参照实际海试数据,分别基于传统反演法和仿真法计算线列阵的位置,继而计算海底反射波的走时。通过对比反射波实际的走时记录,表明传统反演结果存在数据错位现象,而动力学仿真结果连续稳定且与实际记录吻合。动力学仿真是一种有效预报线列阵位置的方法。

关键词: 深海多道地震线列阵, 阻力伞, 动力学建模, 位置预报, 反演法

Abstract: Given the inversion calculation cannot compute the position of array exactly, the dynamic modeling of towed vehicle-seismic array-drogue was purposed, and the position of array was calculated by dynamic simulation. The position of seismic array was calculated by inversion calculation and dynamic simulation, respectively. Then, the travel times of the reflected wave by seabed were calculated with respect to the position of the array. The comparison between the calculated travel times and real seismic records indicated that the malpositions were shown in the inversion calculation, while the result by dynamic simulation was stable and matched well with real records. Dynamic analysis was an efficient method in position prediction of seismic array.

Key words: deep-towed seismic array, drogue, dynamic modeling, position prediction, inversion claculation

中图分类号: 

  • TH122
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