Zobrazeno 1 - 10 of 25 pro vyhledávání: '"J. J. R. Williams"'
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Akademický článek
Turbulent flow simulation of a single-blade Magnus rotor
Autor: X. Bai, C. Ji, P. Grant, N. Phillips, U. Oza, E. J. Avital, J. J. R. Williams
Publikováno v: Advances in Aerodynamics, Vol 3, Iss 1, Pp 1-22 (2021)
Abstract This paper presents numerical studies of the Magnus effect for a kinetic turbine on a horizontal axis. To focus on the Magnus blade, a single self-spinning cylindrical blade is assumed. An iterative direct-forcing immersed boundary method is
Externí odkaz: https://doaj.org/article/bbc4a515371b40f5bfe93465fe2df284
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2
On parallel pre-conditioners for pressure Poisson equation in LES of complex geometry flows
Autor: Xin Bai, Eldad Avital, Krishna M. Singh, J. J. R. Williams, Ante Munjiza, Chunning Ji
Publikováno v: International Journal for Numerical Methods in Fluids. 83:446-464
China and India Award of Royal Academy of Engineering, UK to Drs Eldad Avital and Krishna M. Singh. Grant Numbers: Grant No. SEMF1A4R, Grant No. EP/L000261/1
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8673148255daab98fb6135273cd4b89
https://doi.org/10.1002/fld.4277
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3
Numerical simulation of interaction between internal solitary waves and submerged ridges
Autor: Hongwu Tang, J. J. R. Williams, Eldad Avital, Ling-ling Wang, Hai Zhu
Publikováno v: Applied Ocean Research. 58:118-134
Direct numerical simulations are performed to study the transformation of internal solitary waves (ISWs) of depression type propagating over an underwater ridge in a two-layer fluid system. Bottom ridges with relatively smooth vertex are employed to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::75b7861af456c0af58b17cdae058d934
https://doi.org/10.1016/j.apor.2016.03.017
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4
Finite element modelling of local scour below a pipeline under steady currents
Autor: J. J. R. Williams, Xin Bai, Lanhao Zhao, Wei Zhang, Tongchun Li, Guo Bowen
Publikováno v: International Journal of Computational Fluid Dynamics
International Journal of Computational Fluid Dynamics, Taylor & Francis, 2016, 30 (1), pp.1-6. ⟨10.1080/10618562.2016.1142076⟩
Local scour has been identified as the main factor that causes failures of structures in offshore engineering. Numerous research efforts have been devoted to local scour around offshore pipelines in the past. In this paper, a finite element numerical
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7628abb381e43a7bf58fe76603493b8e
https://doi.org/10.1080/10618562.2016.1142076
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5
Finite element simulation of impulse wave generated by landslides using a three-phase model and the conservative level set method
Autor: Jia Mao, Lanhao Zhao, Tongchun Li, Xin Bai, Xiaoqing Liu, J. J. R. Williams
Publikováno v: Landslides. 13:85-96
A numerical model has been developed using the finite element method for the simulation of impulse waves generated by landslides. The fluid-like landslide is modeled as a generalized non-Newtonian visco-plastic fluid. A three-phase flow model based o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ca4d1dc3a32266d071e2a366ec288756
https://doi.org/10.1007/s10346-014-0552-3
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6
A computational model of ureteral peristalsis and an investigation into ureteral reflux
Autor: Chunning Ji, G. Hosseini, James S.A. Green, J. J. R. Williams, Mohammad Amin Rezaienia, Eldad Avital, Ante Munjiza, Dong Xu
The aim of this study is to create a computational model of the human ureteral system that accurately replicates the peristaltic movement of the ureter for a variety of physiological and pathological functions. The objectives of this research are met
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2206cee1549c5be496ff5dd41e45778
https://www.bib.irb.hr/945728
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7
Thin film flow of magnetohydrodynamic (MHD) pseudo-plastic fluid on vertical wall
Autor: Syed K. Islam, M. T. Rahim, M.K. Alam, Abdul Majeed Siddiqui, Eldad Avital, J. J. R. Williams
Publikováno v: Applied Mathematics and Computation. 245:544-556
The effect of the transverse magnetic field on the thin film flow of pseudo-plastic fluid for lifting and drainage on a vertical (wall) surface is investigated. Approximate solutions are obtained analytically and numerically for the resulting non-lin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0b08c1e52b526345275db58e9ce4e0e9
https://doi.org/10.1016/j.amc.2014.07.047
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8
Finite element implementation of an improved conservative level set method for two-phase flow
Autor: Jia Mao, Lanhao Zhao, Tongchun Li, J. J. R. Williams, Xiaoqing Liu, Xin Bai
Publikováno v: Computers & Fluids. 100:138-154
A novel improved conservative level set method is proposed to simulate two-phase flows in the finite element framework. The standard level set method can capture the interface smoothly and gives accurate normal vectors but suffers from an excessive a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::83aee7571105a08e705971647ba4219f
https://doi.org/10.1016/j.compfluid.2014.04.027
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10
Improved conservative level set method
Autor: Xin Bai, Lanhao Zhao, J. J. R. Williams, Tongchun Li
Publikováno v: International Journal for Numerical Methods in Fluids. 75:575-590
SUMMARY The standard level set (LS) method can capture the interface smoothly and gives accurate normal vectors but suffers from an excessive amount of mass gain/loss. The conservative LS method exhibits excellent mass conservation properties, but th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e94a1c3cc443442991d037d650113f93
https://doi.org/10.1002/fld.3907
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