基于嵌入式水鸟的海洋地震拖缆运动状态仿真研究

Simulation study on the movement states of marine seismic streamer based on embedded birds

研究分析了嵌入式水鸟作用下的海洋地震拖缆运动状态。在现有的理论基础上,简化地震拖缆运动数学模型,并进行仿真求解,结果表明定深水鸟在使地震拖缆保持水平状态起了重要作用。利用前处理软件建立了定深水鸟几何模型,并用数值计算软件进行了分析计算,得到了定深水鸟的水动力特性及在不同攻角下的升力分布情况,为水鸟运动控制策略提供理论依据。

This paper studies and analyses the movement states of marine seismic streamer around the embedded birds. Based on existing theoties, predigests the movement mathematic model and solves it through simulation means. The results show that birds have a relative large effect on keeping seismic streamer horizontality/By using preprocess software, establishes geometry model of a bird and analyses ＆ calculates it with Numerical Calculation software. A lift-angle of attack diagram and hydrodynamic characteristics are obtained, which will provide the theory direction for controlling strategy of birds＇ movement.