不同运动参数对鱼群子系统相互作用的影响
Feihu Zhang1,2, Jianhua Pang1,2,3, Zongduo Wu1,3
1School of Mechanical Engineering, Guangdong Ocean University, No. 1 Haida Road, Mazhang District, Zhanjiang 524088, China.
Biomimetics (Basel, Switzerland)
|November 24, 2023
概括
鱼群形成通过复杂的水力动力相互作用影响个体游泳效率和能源使用. 尾尾鱼可以从唤醒中获益,但好处因间距和阶段而异.
科学领域:
- 流体动力学 流体动力学
- 生物物理学的生物物理.
- 计算建模计算建模
背景情况:
- 由于个体之间复杂的水力动力学相互作用,鱼的学校行为是研究的一个重要领域.
- 了解这些相互作用对于从海洋生物学到生物灵感机器人等领域至关重要.
研究的目的:
- 用数字来模拟鱼群形成,并分析水力动力学对个体表现的影响.
- 调查间距,运动参数和相对游泳效率和节能的影响.
- 探索鱼群中的水力动力学益处和负担背后的机制.
主要方法:
- 使用非代的,沉浸的边界格子博尔兹曼方法 (IB-LBM) 进行数值模拟.
- 模拟的二维,三度自由的自动驾驶鱼在并排,分层和三角形形式.
- 分析了瞬间的旋转形状和压力场,以了解水力动力学特征.
主要成果:
- 在并排的游泳组合中,游泳效率会随着同一阶段距离的减少而增加,但在不同的阶段可能会有害.
- 被动相互作用,间距和偏移不同影响鱼群子系统.
- 尾端鱼可以从由唤醒旋产生的低压区域中获得水力动力学益处,尽管这种效应并不普遍.
结论:
- 鱼群形成表现出复杂的水力动力学效应,可以提高或阻碍个体表现.
- 这项研究为开发生物灵感机器人提供了理论基础.
- 提供了关于共同生物运动和水力动力学优势的机制的见解.
更多相关视频
10:50Using the FishSim Animation Toolchain to Investigate Fish Behavior: A Case Study on Mate-Choice Copying In Sailfin Mollies
Published on: November 8, 2018
10.9K
07:09Integrating Visual Psychophysical Assays within a Y-Maze to Isolate the Role that Visual Features Play in Navigational Decisions
Published on: May 2, 2019
6.1K
相关概念视频
Typical Model Studies
362
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
362
Wave Parameters
7.8K
The simplest mechanical waves are associated with simple harmonic motion and repeat themselves for several cycles. These simple harmonic waves can be modeled using a combination of sine and cosine functions. Consider a simplified surface water wave that moves across the water's surface. Unlike complex ocean waves, in surface water waves, water moves vertically, oscillating up and down, whereas the disturbance of the wave moves horizontally through the medium. If a seagull is floating on the...
7.8K
