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Federico Piscaglia and Federico Ghioldi
We introduce algorithmic advancements designed to expedite simulations in OpenFOAM using GPUs. These developments include the following. (a) The amgx4Foam library, which connects the open-source AmgX library from NVIDIA to OpenFOAM. Matrix generation, in...
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Seongjin Song and Sunho Park
In this paper, numerical studies were carried out on scour around a subsea pipeline. A coupled solver between computational fluid dynamics (CFD) and discrete element method (DEM) was selected to simulate fluid flow and particle interactions. To select an...
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Sarat Chandra Mohapatra, Hafizul Islam, Thiago S. Hallak and C. Guedes Soares
A mathematical model of solitary wave interaction with a pontoon-type rigid floating structure over a flat bottom is formulated based on Boussinesq-type equations under weakly nonlinear dispersive waves. Based on the higher-order Boussinesq equations, th...
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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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Georgios Maragkos and Tarek Beji
Progress in fire safety science strongly relies on the use of Computational Fluid Dynamics (CFD) to simulate a wide range of scenarios, involving complex geometries, multiple length/time scales and multi-physics (e.g., turbulence, combustion, heat transf...
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Guillermo Puelles Magán, Wouter Terra and Andrea Sciacchitano
In this work, we investigate the flow field around speed skating helmets and their associated aerodynamic drag by means of computational fluid dynamics (CFD) simulations. An existing helmet frequently used in competition was taken as a baseline. Six addi...
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Sarat Chandra Mohapatra, Hafizul Islam and C. Guedes Soares
A mathematical model for the problem of wave diffraction by a floating fixed truncated vertical cylinder is formulated based on Boussinesq equations (BEs). Using Bessel functions in the velocity potentials, the mathematical problem is solved for second-o...
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Pietro Casalone, Oronzo Dell?Edera, Beatrice Fenu, Giuseppe Giorgi, Sergej Antonello Sirigu and Giuliana Mattiazzo
The hydrodynamic investigation of a hull?s performance is a key aspect when designing a new prototype, especially when it comes to a competitive/racing environment. This paper purports to perform a fully nonlinear unsteady Reynolds Averaged Navier-Stokes...
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Marco Fontana, Pietro Casalone, Sergej Antonello Sirigu, Giuseppe Giorgi, Giovanni Bracco and Giuliana Mattiazzo
During the optimization phase of a wave energy converter (WEC), it is essential to be able to rely on a model that is both fast and accurate. In this regard, Computational Fluid Dynamic (CFD) with Reynolds Averaged Navier?Stokes (RANS) approach is not su...
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Miroslava Kmecová, Michal Krajcík, Zuzana Straková
Pág. 39 - 43
The aim of this study was to design a fire ventilation system with impulse jet fans for an underground car park. With respect to the number of parameters affecting the spread of smoke that need to be considered, there is a good chance of miscalculations ...
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Zuzana Straková, Jozef Vojta??ák, Peter Benovský, Daniela Koudelková
Pág. 201 - 206
The aim of this study is to design industrial ventilation in the production hall. With respect to the many parameters which influence the appropriate proposal of industrial ventilation that need to be considered, there is a good chance for miscalculation...
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Christian Windt, Josh Davidson, Pál Schmitt and John V. Ringwood
A fully non-linear numerical wave tank (NWT), based on Computational Fluid Dynamics (CFD), provides a useful tool for the analysis of coastal and offshore engineering problems. To generate and absorb free surface waves within a NWT, a variety of numerica...
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Pál Schmitt, Christian Windt, Josh Davidson, John V. Ringwood and Trevor Whittaker
Computational Fluid Dynamics (CFD) simulations, based on Reynolds-Averaged Navier?Stokes (RANS) models, are a useful tool for a wide range of coastal and offshore applications, providing a high fidelity representation of the underlying hydrodynamic proce...
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Marieli Azoia Lukiantchuki, Alessandra Prata Shimomura, Fernando Marques da Silva, Rosana Maria Caram (Author)
Pág. e37537
Wind tunnel experiments and Computational Fluid Dynamics (CFD) simulations are used to analyze natural ventilation in a sawtooth roof building. A 1:10 scale model is tested in an atmospheric boundary layer wind tunnel. The CFD simulations are perfo...
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Marieli Azoia Lukiantchuki, Alessandra Prata Shimomura, Fernando Marques da Silva, Rosana Maria Caram
Pág. e37537
Wind tunnel experiments and Computational Fluid Dynamics (CFD) simulations are used to analyze natural ventilation in a sawtooth roof building. A 1:10 scale model is tested in an atmospheric boundary layer wind tunnel. The CFD simulations are perfo...
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Jérôme Frisch, Ralf-Peter Mundani, Ernst Rank and Christoph Van Treeck
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Nils Koliha, Christian F. Janßen and Thomas Rung
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Zhen Peng, Yihua Chen, Wu Deng, Isaac Yu Fat Lun, Naibin Jiang, Gang Lv and Tongyu Zhou
In recent years, residents in high-rise residential complexes (HRCs) in China have been placing an increasing demand on the living quality in HRCs. Particularly, the outdoor wind conditions are garnering more attention; however, few studies on the wind c...
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Bonaventura Tagliafierro, Simone Mancini, Pablo Ropero-Giralda, José M. Domínguez, Alejandro J. C. Crespo and Giacomo Viccione
Computational Fluid Dynamics simulations of planing hulls are generally considered less reliable than simulations of displacement hulls. This is due to the flow complexity around planing hulls, especially in the bow region, where the sprays are formed. T...
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Xiaojie Zhang, Yanrong Wang and Xianghua Jiang
Resonant response of turbomachinery blades can lead to high cycle fatigue (HCF) if the vibration amplitudes are significant. Therefore, the dangerousness assessment of the resonance crossing is important. It requires accurate predictions of the aerodynam...
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