Research on deep-sea submarine distress positioning prediction based on hydrodynamics and numerical simulation techniques

Xiaoyi Jiang

doi:10.54097/0mjnm820

Authors

Xiaoyi Jiang

DOI:

https://doi.org/10.54097/0mjnm820

Keywords:

Deep-sea submarine; Distress localisation; Hydrodynamics; Numerical modelling; Search equipment; Search paths.

Abstract

The purpose of this paper is to study the problem of positioning prediction of deep-sea submarines after distress. Firstly, the kinematic equations of a deep-sea submarine in seawater are established, and the motion characteristics of a deep-sea submarine under the action of water current are analysed. Subsequently, a computational model of the current velocity in the Mediterranean Sea was established, and the positioning prediction of the submarine was carried out based on this computational model. In addition, the article proposes a search device selection method based on decision tree and TOPSIS algorithm, and a search path planning method based on happiness search algorithm. Ultimately, the research results show that the method is effective and reliable in submarine distress positioning prediction.

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