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Heng Li and Bingxiang Huang
Water is a weakly compressible fluid medium. Due to its low compressibility, it is usually assumed that water is an incompressible fluid. However, if there are high-pressure pulse waves in water, the compressibility of the water medium needs to be consid...
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Zhou Yang, Yuwang Xu, Jionglin Jing, Xuepeng Fu, Bofu Wang, Haojie Ren, Mengmeng Zhang and Tongxiao Sun
Particle image velocimetry (PIV) is a widely used experimental technique in ocean engineering, for instance, to study the vortex fields near marine risers and the wake fields behind wind turbines or ship propellers. However, the flow fields measured usin...
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Souhail Maazioui, Imad Kissami, Fayssal Benkhaldoun and Driss Ouazar
In this paper, an innovative methodology to handle the numerical simulation of viscoplastic flows is proposed based on a multigrid initialization algorithm in conjunction with the SIMPLE procedure. The governing equations for incompressible flow, which c...
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Aminat Uzdenova
Electromembrane processes underlie the functioning of electrodialysis devices and nano- and microfluidic devices, the scope of which is steadily expanding. One of the main aspects that determine the effectiveness of membrane systems is the choice of the ...
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Andrea Franceschi, Benedetto Piaggio, Roberto Tonelli, Diego Villa and Michele Viviani
The purpose of this study is to assess the quality of the manoeuvre prediction of a twin-shaft naval vessel by means of a time-domain simulator based on Computational Fluid Dynamics (CFD) hydrodynamic coefficients. The simulator uses a modular approach i...
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Pilar Díaz-Carrasco, Sergio Croquer, Vahid Tamimi, Jay Lacey and Sébastien Poncet
This review paper presents the recent advances in the numerical modelling of wave?structure?seabed interactions. The processes that are involved in wave?structure interactions, which leads to sediment transport and scour effects, are summarized. Subseque...
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Xuan-Truong Le, Duc-Anh Nguyen, Cong-Truong Dinh and Quang-Hai Nguyen
Film cooling is commonly utilized in turbine blades to decrease the temperature of the air stream from the combustion chamber that contacts directly with the blades. The shape of a cylindrical hole (CH) with the geometrical variations at inlet and outlet...
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Ricardo Blázquez-Navarro and Roque Corral
A linear frequency domain Navier-Stokes solver is used to retain the influence of turning, thickness, and main geometric parameters on turbine broadband noise. The methodology has been applied to predict the broadband interaction noise produced by a repr...
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Yaroslav Doroshenko,Ihor Rybitskyi
Pág. 28 - 34
CFD simulation investigated turbulent flows in equal gas pipeline tees, in which the gas flow completely moves from the main line to the branch. The study was performed for tees of different geometry ? stamped with different bending radii of the transiti...
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Jasna Prpic-Or?ic, Marko Valcic and Zoran Carija
The estimation of wind loads on ships and other marine objects represents a continuous challenge because of its implication for various aspects of exposed structure exploitation. An extended method for estimating the wind loads on container ships is pres...
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Filippo Zanetti and Luca Bergamaschi
We review a number of preconditioners for the advection-diffusion operator and for the Schur complement matrix, which, in turn, constitute the building blocks for Constraint and Triangular Preconditioners to accelerate the iterative solution of the discr...
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Elena Tyatyushkina, Andrey Kozelkov, Andrey Kurkin, Efim Pelinovsky, Vadim Kurulin, Kseniya Plygunova and Dmitry Utkin
Verification results for the LOGOS software package as applied to numerical simulations of tsunami waves are reported. The module of the LOGOS software package that is used for tsunami simulations is based on the numerical solution of three-dimensional N...
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Xingyue Ren, Fangjie Xiong, Ke Qu and Norimi Mizutani
In order to numerically investigate the free surface flow evolution in a cylindrical tank, a regular structured grid system in the cylindrical coordinates is usually applied to solve control equations based on the incompressible two-phase flow model. Sin...
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Dmytro Redchyts,Alexandre Gourjii,Svitlana Moiseienko,Tetiana Bilousova
Pág. 36 - 41
Numerical modeling of multi-element airfoil's aerodynamics employs the Reynolds averaged Navier-Stokes equations of incompressible environment, which are related via a single-parametric differential turbulence model by Spalart-Allmaras. The system of ini...
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Woo-Dong Lee, Hyo-Jae Jo, Han-Sol Kim, Min-Jun Kang, Kwang-Hyo Jung and Dong-Soo Hur
Herein, hydraulic model experiments and numerical simulations were performed to understand the self-burial mechanism of subsea pipelines with spoilers under steady flow conditions. First, scour characteristics and self-burial functions according to the s...
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Pavel Ryzhakov and Julio Marti
The fractional step method is a technique that results in a computationally-efficient implementation of Navier?Stokes solvers. In the finite element-based models, it is often applied in conjunction with implicit time integration schemes. On the other han...
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Alberto Zingaro and László Könözsy
Microfluidics is a multidisciplinary area founding applications in several fields such as the aerospace industry. Microelectromechanical systems (MEMS) are mainly adopted for flow control, micropower generation and for life support and environmental cont...
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Wei Wang, Dagang Zhao, Chunyu Guo and Yongjie Pang
In this study, the Reynolds-averaged Navier?Stokes (RANS) method and a model experimental test in a towing tank are used to investigate the unsteady hydrodynamic performance of L-type podded propulsion under different oblique flow angles and advance coef...
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Alberto Zingaro and László Könözsy
Microfluidics is a multidisciplinary area founding applications in several fields such as the aerospace industry. Microelectromechanical systems (MEMS) are mainly adopted for flow control, micropower generation and for life support and environmental cont...
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