Parametric Geometric Model and Shape Optimization of Airfoils of a Biomimetic Manta Ray Underwater Vehicle

doi:10.1007/s12204-019-2076-4

Journal of Shanghai Jiao Tong University (Science) ›› 2019, Vol. 24 ›› Issue (3): 402-408.doi: 10.1007/s12204-019-2076-4

• • 上一篇

Parametric Geometric Model and Shape Optimization of Airfoils of a Biomimetic Manta Ray Underwater Vehicle

LUO Yang (罗扬), PAN Guang* (潘光), HUANG Qiaogao (黄桥高), SHI Yao (施瑶), LAI Hui (赖慧)

(1. Key Laboratory for Unmanned Underwater Vehicle, Northwestern Polytechnical University, Xi’an 710072, China; 2. Department of Naval Architecture, Ocean and Marine Engineering, University of Strathclyde, Glasgow G4 0LZ, Scotland, UK)

出版日期:2019-06-01 发布日期:2019-05-29
通讯作者: PAN Guang* (潘光) E-mail:panguang@nwpu.edu.cn

Parametric Geometric Model and Shape Optimization of Airfoils of a Biomimetic Manta Ray Underwater Vehicle

LUO Yang (罗扬), PAN Guang* (潘光), HUANG Qiaogao (黄桥高), SHI Yao (施瑶), LAI Hui (赖慧)

(1. Key Laboratory for Unmanned Underwater Vehicle, Northwestern Polytechnical University, Xi’an 710072, China; 2. Department of Naval Architecture, Ocean and Marine Engineering, University of Strathclyde, Glasgow G4 0LZ, Scotland, UK)

Online:2019-06-01 Published:2019-05-29
Contact: PAN Guang* (潘光) E-mail:panguang@nwpu.edu.cn

摘要/Abstract

摘要： As a new kind of autonomous underwater vehicle, bionic submersible has many merits such as high efficiency and low costs. In order to obtain such advantages, it is a good way to simulate the shapes of marine animals and apply them to the design of artificial underwater vehicle. In this paper, an optimization system of airfoils is proposed by the improved class-shape-transformation (CST) parameterization method and genetic algorithm (GA). The appearance of a manta-ray-inspired underwater vehicle is rebuilt using the optimal sectional airfoils obtained by the proposed optimization system. Computational simulations are carried out to investigate the hydrodynamic performance of the submersible using the commercial computational fluid dynamics (CFD) code Fluent. The results demonstrate that the maximum thickness of the vehicle increases by 9%, which means the loading capacity is increased. Moreover, the underwater vehicle shows better hydrodynamic performance, and the lift-drag ratio of initial design is increased by more than 10% using the presented optimization system of airfoils.

关键词: biomimetic underwater vehicle, class-shape-transformation (CST) parameterization method, shape optimization, computational fluid dynamics (CFD)

Abstract: As a new kind of autonomous underwater vehicle, bionic submersible has many merits such as high efficiency and low costs. In order to obtain such advantages, it is a good way to simulate the shapes of marine animals and apply them to the design of artificial underwater vehicle. In this paper, an optimization system of airfoils is proposed by the improved class-shape-transformation (CST) parameterization method and genetic algorithm (GA). The appearance of a manta-ray-inspired underwater vehicle is rebuilt using the optimal sectional airfoils obtained by the proposed optimization system. Computational simulations are carried out to investigate the hydrodynamic performance of the submersible using the commercial computational fluid dynamics (CFD) code Fluent. The results demonstrate that the maximum thickness of the vehicle increases by 9%, which means the loading capacity is increased. Moreover, the underwater vehicle shows better hydrodynamic performance, and the lift-drag ratio of initial design is increased by more than 10% using the presented optimization system of airfoils.

Key words: biomimetic underwater vehicle, class-shape-transformation (CST) parameterization method, shape optimization, computational fluid dynamics (CFD)

中图分类号:

U 662

LUO Yang (罗扬), PAN Guang* (潘光), HUANG Qiaogao (黄桥高), SHI Yao (施瑶), LAI Hui (赖慧). Parametric Geometric Model and Shape Optimization of Airfoils of a Biomimetic Manta Ray Underwater Vehicle[J]. Journal of Shanghai Jiao Tong University (Science), 2019, 24(3): 402-408.

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Parametric Geometric Model and Shape Optimization of Airfoils of a Biomimetic Manta Ray Underwater Vehicle

Parametric Geometric Model and Shape Optimization of Airfoils of a Biomimetic Manta Ray Underwater Vehicle

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