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水下拖曳系统动力学实验台架设计及优化
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摘要
水下拖曳系统在研究海洋生物、资源勘探、海洋地形测绘等方面有着重要的作用。本文在参考大量前人实验经验的基础上,对拖曳系统动力学实验装置进行了分类对比,并结合当前拖曳实验的实际需求,提出并设计了定轨式实验台架;然后针对该实验台架在圆弧转弯、径向限位与导向问题进行分析研究,提出解决方案;最后对实验台架进行模态分析,得出实验台架模态频率,为后续实验提供指导。
The underwater towed system is playing an important role in many kinds of fields, such as seabed's photographing, marine research, ocean monitor and others. The study on dynamical performance of underwater towed system has a significant influence on its designing and applying. Based on the previous work, this paper makes a summary about the experiment benches and classifies them into different types. Then, according to the experiment need, this thesis proposes a fixed-orbit bench. Some problems which will occur in the curving trajectory are discussed in detail. Finally, the modal frequency is obtained by using finite element analysis, which can provide an instruction for the later experiment.
引文
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