Hull-form stochastic optimization via computational-cost reduction methods

A Serani, F Stern, EF Campana, M Diez - Engineering with Computers, 2022 - Springer
The paper shows how cost-reduction methods can be synergistically combined to enable
high-fidelity hull-form optimization under stochastic conditions. Specifically, a multi-objective …

Comparing multi-index stochastic collocation and multi-fidelity stochastic radial basis functions for forward uncertainty quantification of ship resistance

C Piazzola, L Tamellini, R Pellegrini, R Broglia… - Engineering with …, 2023 - Springer
This paper presents a comparison of two multi-fidelity methods for the forward uncertainty
quantification of a naval engineering problem. Specifically, we consider the problem of …

Numerical investigation of the resistance of a zero-emission full-scale fast catamaran in shallow water

G Shi, A Priftis, Y Xing-Kaeding… - Journal of Marine …, 2021 - mdpi.com
This paper numerically investigates the resistance at full-scale of a zero-emission, high-
speed catamaran in both deep and shallow water, with the Froude number ranging from 0.2 …

Hydrodynamic performance of a catamaran in shallow waters

K Ulgen, MR Dhanak - Journal of Marine Science and Engineering, 2022 - mdpi.com
The effects of limited water depth on the hydrodynamic performance of a catamaran with the
full-scale dimensions and geometry of a WAM-V 16 unmanned surface vehicle operating in …

Experimental and numerical investigation of the hydrodynamic response of an aquaculture vessel

Y Tao, R Zhu, J Gu, Z Li, Z Zhang, X Xu - Ocean Engineering, 2023 - Elsevier
The hydrodynamic performance of a novel deep-sea aquaculture vessel is investigated by
experimental and Computational Fluid Dynamics (CFD) methods. The free decay motion in …

Uncertainty quantification of ship resistance via multi-index stochastic collocation and radial basis function surrogates: A comparison

C Piazzola, L Tamellini, R Pellegrini, R Broglia… - AIAA Aviation 2020 …, 2020 - arc.aiaa.org
This paper presents a comparison of two methods for the forward uncertainty quantification
(UQ) of complex industrial problems. Specifically, the performance of Multi-Index Stochastic …

Numerical prediction of interference factor in motions and added resistance for Delft catamaran 372

A Doğrul, E Kahramanoğlu, F Çakıcı - Ocean Engineering, 2021 - Elsevier
Multi-hull forms are widely used in maritime applications such as passenger transport and
military operations. These vessels' hydrodynamic characteristics may differ from the …

Numerical study of swell impact on seakeeping performance of surface combatant

L Liu, M Chen, J Yu, D Feng, X Wang - Ocean Engineering, 2022 - Elsevier
The complex sea states with the co-occurrence of swell and wind-sea conditions represent
threats to sailing vessels. This study presents the computational fluid dynamics (CFD) …

Comparison of prediction methods for added power and propeller revolution for a 1,800 TEU container ship using resistance tests in regular and irregular waves

JW Yu, JH Jeong, S Kim, JE Choi, I Lee - Ocean Engineering, 2023 - Elsevier
This paper predicts the added power and propeller revolution due to irregular head waves
for a 1,800 TEU container ship. Resistance tests were conducted with 11 regular waves and …

Experimental and numerical investigation on control strategies for heave and pitch motion reduction of a catamaran

L Zheng, Z Liu, G Li, SZ Yuan… - Proceedings of the …, 2021 - journals.sagepub.com
In this study, simulations and experiments were conducted on reducing the heave and pitch
motions of a catamaran. To serve as stability appendages, an actively controlled T-foil and …