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Publications
Tan, M., Yu, S.H., Xiang, G., Xiang, X.B. and Guedes Soares, C. (2025), Numerical investigation on the hydrodynamic loads and hydroelastic response of bionic boat using CFD-FEA coupling method, Innovations in the Analysis and Design of Marine Structures, Garbatov, Y. & Guedes Soares C. (Eds.), Taylor & Francis, London, UK, 483-493.
In this paper, a multi-mode bionic shark-shaped boat is designed to achieve low-speed underwater prowling, lifting across the water surface and running at high speed on the water surface. The hydroelastic responses of bionic craft under different modes are estimated using the unidirectional fluid-structure coupling method of CFD simulations and Finite Element Analysis (FEA). Firstly, the CFD method is used to simulate the bionic boat in various sea conditions, and the bionic boat’s whole motion and wave load are examined and analysed. Then, by setting the obtained wave load time series into the FEA simulations, the stress and strain characteristics are obtained. The overall motion characteristics of the boat under different sea conditions show that at the maximum speed of 40 knots, the maximum stress generated by wave load is 15.11 MPa under class 0 sea conditions, which increases to 28.29 MPa under class 2 sea conditions while the strain is 0.309mm under static water conditions, which shows an increasing trend with the aggravation of sea conditions.
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