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Wei Zeng, Chao Wang and Jiandong Yang
Hydraulic systems may involve both pipelines and open channels, which challenges the hydraulic transient analysis. In this paper, a method of characteristics (MOC)-finite volume method (FVM) coupling method has been developed with the pipeline modelled u...
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Hossein Ahmadi, Fouad Kilanehei and Mohammad Nazari-Sharabian
Public supply wells are commonly considered one of the most significant sources of freshwater on Earth. Therefore, potential well water contamination can conceivably be regarded as a crucial issue that is closely correlated with both environmental protec...
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Haixuan Ye, Yang Chen and Kevin Maki
For numerical simulations of ship and offshore hydrodynamic problems, it is challenging to model the interaction between the free surface and moving complex geometries. This paper proposes a discrete-forcing immersed boundary method (IBM) to efficiently ...
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Mariane Rodrigues Rita, Pierre Rossi, Eduardo de Moraes Rego Fairbairn and Fernando Luiz Bastos Ribeiro
This paper presents an extension of the validation domain of a previously validated three-dimensional probabilistic semi-explicit cracking numerical model, which was initially validated for a specific concrete mix design. This model is implemented in a f...
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Mohammad Milad Salamttalab, Behnam Parmas, Hedi Mustafa Alee, Farhad Hooshyaripor, Ali Danandeh Mehr, Hamidreza Vosoughifar, Seyed Abbas Hosseini, Mohsen Maghrebi and Roohollah Noori
This study proposes a numerical model for depth-averaged Reynolds equations (shallow-water equations) to investigate a dam-break problem, based upon a two-dimensional (2D) second-order upwind cell-centre finite volume method. The transportation terms wer...
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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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Tiexiang Mo and Guodong Li
Many large-scale water transmission projects, such as China?s South-to-North Water Transfer Project, are hundreds of kilometers long and need real-time regulation applications for management and control. This requires the calculation model to have higher...
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Haiyan Zhang, Cunhui Li, Jilin You, Xiaoping Zhang, Yi Wang, Liping Chen, Qingfei Fu, Baogui Zhang and Yuming Wang
The plume-surface interaction that occurs as a result of a variable-thrust engine exhaust plume impinging on soil during landings is critical for future lunar mission design. Unique lunar environmental properties, such as low gravity, high vacuum, and th...
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Ivan Dubrovskiy,Valeriy Bucharskyi
Pág. 74 - 82
A method of extended cells for the formulation of boundary conditions in the numerical integration of the Euler equations in domains with curvilinear boundaries for the cases of one-dimensional and two-dimensional compressible gas flows has been proposed...
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Youssef El Halal, Crístofer H. Marques, Luiz A. O. Rocha, Liércio A. Isoldi, Rafael de L. Lemos, Cristiano Fragassa and Elizaldo D. dos Santos
In the present work it is performed a numerical study for simulation of turbulent air and water flows in a nozzle based on the Coanda effect named H.O.M.E.R. (High-Speed Orienting Momentum with Enhanced Reversibility). The main purposes of this work are ...
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Guler Bengusu Tezel, Kerim Yapici, Yusuf Uludag
Pág. 190 - 199
The confined flow of a Newtonian fluid around a square cylinder mounted in a rectangular channel was investigated both numerically and experimentally. Ratio between the pipe and channel height, the blockage ratio, is kept constant at 1/4. The flow variab...
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Pedram Bahrami Moghim, Toraj Mohammadi
Pág. 227 - 235
The present paper investigates the simulation of carbon dioxide removal from natural gas stream by a mixture of three amines of diethanolamine (DEA), methyldiethanolamine (MDEA), and 2-amino- 2-methyl-1-propanol (AMP) in a hollow fiber membrane contactor...
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Azharul Karim, M. Masum Billah, M. T. Talukder Newton and M. Mustafizur Rahman
A numerical study of the unsteady mixed convection heat transfer characteristics of an Ag?water nanofluid confined within a square shape lid-driven cavity has been carried out. The Galerkin weighted residual of the finite element method has been employed...
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Khawar Rehman, Yong-Sik Cho
Pág. 1 - 20
This paper proposes a sediment-transport model based on coupled Saint-Venant and Exner equations. A finite volume method of Godunov type with predictor-corrector steps is used to solve a set of coupled equations. An efficient combination of approximate R...
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Khawar Rehman and Yong-Sik Cho
This paper proposes a robust method for modeling shallow-water flows and near shore tsunami propagation, applicable for both simple and complex geometries with uneven beds. The novel aspect of the model includes the introduction of a new method for slope...
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Khawar Rehman, Yong-Sik Cho
Pág. 1 - 24
This paper proposes a robust method for modeling shallow-water flows and near shore tsunami propagation, applicable for both simple and complex geometries with uneven beds. The novel aspect of the model includes the introduction of a new method for slope...
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Khawar Rehman and Yong-Sik Cho
This paper proposes a sediment-transport model based on coupled Saint-Venant and Exner equations. A finite volume method of Godunov type with predictor-corrector steps is used to solve a set of coupled equations. An efficient combination of approximate R...
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Ebrahim Alamatian, Sara Dadar and Bojan Ðurin
Dams are one of the most important hydraulic structures. In view of unrecoverable damages occurring after a dam failure, analyzing a dams? break is necessary. In this study, a dam located in Iran is considered. According to adjacent tourist and entertain...
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Federico Maria Reato, Claudio Ricci, Jan Misfatto, Matteo Calzaferri and Simone Cinquemani
The analysis of complex systems tends to be approached through a separation and a simplification of the main macro phenomena and, thus, addressed through dedicated techniques, tools, and algorithms. A smart and interesting possibility, instead, is repres...
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Sanbai Li, Zhijiang Kang and Yun Zhang
We propose a novel workflow to investigate the complex flow behaviors and remaining oil distribution related to the oil?gas?water three-phase system based on information from typical outcrops of fractured-vuggy reservoirs. A refined geological model is b...
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