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Implementation and application of digital twin-based visualization technology for spatial and temporal variation of seafloor suspensions
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Yue Qiao1, Hongxian Shan1, 2, Hongwei Wang1, Chaoqi Zhu1, 2, 3, Zhiwen Sun1, Yonggang Jia1, 2, *
Haiyang Xuebao | 2023, 45(8) : 166 - 177
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Haiyang Xuebao | 2023, 45(8): 166-177
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Implementation and application of digital twin-based visualization technology for spatial and temporal variation of seafloor suspensions
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Yue Qiao1, Hongxian Shan1, 2, Hongwei Wang1, Chaoqi Zhu1, 2, 3, Zhiwen Sun1, Yonggang Jia1, 2, *
Affiliations
  • 1Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, Ocean University of China, Qingdao 266100, China
  • 2Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao 266100, China
  • 3Key Laboratory of Submarine Geosciences and Prospecting Techniques, Ministry of Education, Ocean University of China, Qingdao 266100, China
Published: 2023-08-31 doi: 10.12284/hyxb2023082
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The virtual ocean platform constructed by digital twin technology can further realize the 3D visualization and analysis of seabed environmental monitoring data. Based on the long-term in-situ monitoring data of the deep seabed, this paper uses Unity3D technology to build a virtual marine environment with multi-model fusion, and initially establishes a digital twin system for marine engineering geological environment; combines MATLAB and ArcGIS data analysis technology to realize intelligent monitoring, data analysis, human-computer interaction and auxiliary decision-making; the study further constructs a virtual environment particle system to conduct a 3D visualization and analysis of the near-bottom suspended sediment concentration elevation event in the northern part of the South China Sea. The results show that there are large spatial and temporal differences in suspended matter concentration, particle number and aggregation degree in the virtual environmental particle system. In particular, when the suspended matter concentration is maintained at a high level, particles are found to collide and overlap with each other, and the denser microclusters are derived in space. When the suspended matter concentration rises further to the peak, the number of microclusters increases and occupies most of the volume of space, forming a highly aggregated suspended matter aggregate with a wider coverage of suspended particles. This paper is based on image analysis techniques and compares the visualization results with real seafloor cameras with relative errors in the range of 0.16%–2.80%, which is highly feasible.

digital twins  /  concentration of suspended solids  /  visual analysis  /  virtual particle system  /  in situ long-term monitoring of deep sea
Yue Qiao, Hongxian Shan, Hongwei Wang, Chaoqi Zhu, Zhiwen Sun, Yonggang Jia. Implementation and application of digital twin-based visualization technology for spatial and temporal variation of seafloor suspensions[J]. Haiyang Xuebao, 2023 , 45 (8) : 166 -177 . DOI: 10.12284/hyxb2023082
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Year 2023 volume 45 Issue 8
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Article Info
doi: 10.12284/hyxb2023082
  • Receive Date：2022-12-08
  • Online Date：2025-12-28
  • Published：2023-08-31
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History
  • Received：2022-12-08
  • Revised：2023-03-08
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Affiliations
    1Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, Ocean University of China, Qingdao 266100, China
    2Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao 266100, China
    3Key Laboratory of Submarine Geosciences and Prospecting Techniques, Ministry of Education, Ocean University of China, Qingdao 266100, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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