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Application of three-dimensional visual simulation in tidal defense engineering

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Abstract

Any tidal defense engineering involves the collection and analysis of massive information about engineering structures and their surrounding environment. Traditional method, which is carried out mainly by means of two-dimensional drawings and textures, is not efficient and intuitive enough to analyze the whole project and reflect its spatial relationship. Three-dimensional visual simulation provides an advanced technical means of solving this problem. In this paper, triangular irregular network (TIN) model simplified by non-uniform rational B-splines (NURBS) technique was used to establish the digital terrain model (DTM) of a super large region. Simulation of dynamic water surface was realized by combining noise function with sine wave superposition method. Models of different objects were established with different modeling techniques according to their characteristics. Application of texture mapping technology remarkably improved the authenticity of the models. Taking the tidal defense engineering in the new coastal region of Tianjin as a case study, three-dimensional visual simulation and dynamic roaming of the study area were realized, providing visual analysis and visible demonstration method for the management and emergency decision-making associated with construction.

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Authors and Affiliations

  1. State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin, 300072, China

    Denghua Zhong  (钟登华), Bin Yang  (杨 斌), Wenqian Li  (李文倩), Donghai Liu  (刘东海) & Dawei Tong  (佟大威)

Authors
  1. Denghua Zhong  (钟登华)
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  2. Bin Yang  (杨 斌)
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  3. Wenqian Li  (李文倩)
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  4. Donghai Liu  (刘东海)
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  5. Dawei Tong  (佟大威)
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Corresponding author

Correspondence to Denghua Zhong  (钟登华).

Additional information

Supported by Tianjin Research Program of Application Foundation and Advanced Technology (No.12JCZDJC29200), Foundation for Innovative Research Groups of National Natural Science Foundation of China (No.51021004), and National Key Technology R&D Program in the 12th Five-Year Plan of China(No.2011BAB10B06).

Zhong Denghua, born in 1963, male, Dr, Prof.

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Zhong, D., Yang, B., Li, W. et al. Application of three-dimensional visual simulation in tidal defense engineering. Trans. Tianjin Univ. 19, 1–9 (2013). https://doi.org/10.1007/s12209-013-1951-6

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  • DOI: https://doi.org/10.1007/s12209-013-1951-6

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