基于AQWA的水下大尺度拖缆空间形位仿真分析

Spatial Form Simulation of Underwater Large Scale Towed Cable Based on AQWA

为充分发挥水下大尺度拖缆在应用过程中的声学性能,准确地对其深度进行调控,需预先知道其在水下拖曳状态下的空间形位。由此,对拖缆的力学模型进行分析,结合某水下大尺度拖缆的参数,基于有限元仿真软件AQWA对该拖缆进行4种典型航速的仿真分析,获得稳态和叠加四级海况动态环境下拖曳阵缆的空间形位分布、波高响应、下沉深度、拖曳张力和倾斜角等重要参数,为该拖缆的海上试验和应用提供参考。

In order to maximize the acoustic performance of cable in underwater towing and to accurately control the cable depth,it is necessary to know in advance the spatial form of the cable in the state of underwater towing,so the mechanical model is analyzed,and the spatial form of the cable under four typical navigational speeds are simulated by the AQWA software based on the large-scale cable parameters.The results of spatial form,wave-height response,sinking depth,towing tension and inclination of the large-scale towed cable under both steady state and level-4 sea state are analyzed,providing reference for the test and application of the towed cable at sea.