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A Bayesian algorithm coupled simulation-driven optimization framework for shape design of autonomous underwater vehicles

delete2026-08-17
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PRE
AI
Y
Yuhao Gao
J
Jixie Huang
J
Jiancai Zheng *
X
Xiaohan Liu
M
Min Zhao
DOI:10.1007/s00158-026-04390-ydelete
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摘要

摘要

En 中文
基于计算流体动力学的方法在自主水下航行器(AUV)的形状设计中发挥着重要作用。然而,现有框架面临两大挑战:迭代过程需要重新网格化操作,并且主要依赖于元启发式算法。本文描述了一种贝叶斯算法耦合仿真驱动的优化框架,可用于辅助AUV的形状设计。首先,基于线性变换和径向基函数插值,构建了一种计算域网格变形控制方法,以替代重新网格化操作。考虑到AUV形状优化问题中目标函数计算昂贵而约束条件计算成本低的特点,提出了一种可行性加权期望改进贝叶斯优化(FWEI-BO)算法。基准测试表明,FWEI-BO具有更强的搜索能力和更低的计算成本。其次,将框架组织成集成化和自动化的工作流程。通过变形、仿真和优化之间的无缝连接,该工作流程能够自主识别最优解。最后,将开发的框架应用于Myring型AUV形状优化,即体积约束下的阻力最小化问题。结果表明,AUV的阻力降低了4.5%,优化算法在44次CFD评估后确定了最优解。
Keyword:
Autonomous underwater vehicles
Optimization design
Computational fluid dynamics
Mesh morphing

期刊

Structural and Multidisciplinary Optimization 封面图
Structural and Multidisciplinary Optimization
IF:
4
论文数:
4.9K
被引数:
1.7W

机构

S
School of Ocean and Civil Engineering
学者数:
38
论文数: 17
被引数: 0
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