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Haodong Shang, Chengsheng Zhan and Zuyuan Liu
The typical maneuvering of a ship can reflect its maneuvering characteristics, which are closely related to the safety and economy of its navigation. The accurate prediction of a ship?s maneuvering characteristics is essential for its preliminary design....
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Yanlin Zou, Dakui Feng, Weihua Deng, Jun Yang and Hang Zhang
Waterjet?hull interaction is the hot point and research focus in the research of waterjet-propelled crafts. This paper presents numerical studies on the interaction between a waterjet system and a catamaran. Numerical simulations of both bare hull and se...
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Changzhe Chen, Lu Zou, Zaojian Zou and Haipeng Guo
Propeller modeling in virtual captive model tests is crucial to the prediction accuracy of ship maneuvering motion. In the present study, the Computational Fluid Dynamics (CFD) method with two propeller modeling methods, Sliding Mesh (SM) and Multiple Re...
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Kunyu Han, Xide Cheng, Zuyuan Liu, Chenran Huang, Haichao Chang, Jianxi Yao and Kangli Tan
Maneuverability, which is closely related to operational performance and safety, is one of the important hydrodynamic properties of an underwater vehicle (UV), and its accurate prediction is essential for preliminary design. The purpose of this study is ...
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Long Jiang, Jianxi Yao and Zuyuan Liu
Manoeuvrability is one of the important ship hydrodynamic performances. That is closely related to the safety and economy of navigation. The development of a high-accuracy and high-efficiency numerical method to compute the forces and moments on manoeuvr...
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Andrea Magrini
Three-dimensional throughflow models represent a turbomachinery cascade via a force distribution without the need for detailed geometric modelling in the numerical solution, saving consistent computational resources. In this paper, we present the applica...
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Yan Xing-Kaeding and Apostolos Papanikolaou
The present study deals with the local optimization of the stern area and of the propulsive efficiency of a battery-driven, fast catamaran vessel. The adopted approach considers a parametric model for the catamaran?s innovative transom stern and a QCM (Q...
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Emmanuel Benichou, Guillaume Dufour, Yannick Bousquet, Nicolas Binder, Aurélie Ortolan and Xavier Carbonneau
New propulsive concepts, such as boundary layer ingestion, involve stronger interactions between the engine and its environment, and are thus more complex flows compared to classical architectures. Usual turbomachinery design tools are inadequate, and ne...
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Roberto Pacciani, Michele Marconcini and Andrea Arnone
The paper describes the development and validation of a novel computational fluid dynamics (CFD)-based throughflow model. It is based on the axisymmetric Euler equations with tangential blockage and body forces and inherits its numerical scheme from a st...
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Mohamed F. El-Amin
In the current paper, an iterative algorithm is developed to simulate the problem of two-phase flow with heat transfer in porous media. The convective body force caused by heat transfer is described by Boussinesq approximation throughout with the governi...
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