Journal article 981 views
Three-dimensional simulations of dilute and concentrated suspensions using smoothed particle hydrodynamics
Computational Particle Mechanics, Volume: 3, Issue: 2, Pages: 167 - 178
Swansea University Authors: Adolfo Vazquez-Quesada, Marco Ellero
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DOI (Published version): 10.1007/s40571-015-0072-5
Abstract
A three-dimensional model for a suspension of rigid spherical particles in a Newtonian fluid is presented. The solvent is modeled with smoothed particle hydrodynamics method, which takes into account exactly the long-range multi-body hydrodynamic interactions between suspended spheres. Short-range l...
Published in: | Computational Particle Mechanics |
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ISSN: | 2196-4378 2196-4386 |
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Springer Science and Business Media LLC
2016
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URI: | https://cronfa.swan.ac.uk/Record/cronfa25442 |
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2020-05-26T10:38:45.5355115 v2 25442 2016-01-07 Three-dimensional simulations of dilute and concentrated suspensions using smoothed particle hydrodynamics 14cfebea6166c6de4a9764b6e98e794c Adolfo Vazquez-Quesada Adolfo Vazquez-Quesada true false 84f2af0791d38bdbf826728de7e5c69d Marco Ellero Marco Ellero true false 2016-01-07 EEN A three-dimensional model for a suspension of rigid spherical particles in a Newtonian fluid is presented. The solvent is modeled with smoothed particle hydrodynamics method, which takes into account exactly the long-range multi-body hydrodynamic interactions between suspended spheres. Short-range lubrication forces which are necessary to simulate concentrated suspensions, are introduced pair-wisely based on the analytical solution of Stokes equations for approaching/departing objects. Given that lubrication is singular at vanishing solid particle separations, an implicit splitting integration scheme is used to obtain accurate results and at the same time to avoid prohibitively small simulation time steps. Hydrodynamic interactions between solid particles, at both long-range and short-range limits, are verified against theory in the case of two approaching spheres in a quiescent medium and under bulk shear flow, where good agreements are obtained. Finally, numerical results for the suspension viscosity of a many-particle system are shown and compared with analytical solutions available in the dilute and semi-dilute case as well as with previous numerical results obtained in the concentrated limit. Journal Article Computational Particle Mechanics 3 2 167 178 Springer Science and Business Media LLC 2196-4378 2196-4386 1 4 2016 2016-04-01 10.1007/s40571-015-0072-5 COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2020-05-26T10:38:45.5355115 2016-01-07T10:57:50.7923532 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Adolfo Vazquez-Quesada 1 Xin Bian 2 Marco Ellero 3 |
title |
Three-dimensional simulations of dilute and concentrated suspensions using smoothed particle hydrodynamics |
spellingShingle |
Three-dimensional simulations of dilute and concentrated suspensions using smoothed particle hydrodynamics Adolfo Vazquez-Quesada Marco Ellero |
title_short |
Three-dimensional simulations of dilute and concentrated suspensions using smoothed particle hydrodynamics |
title_full |
Three-dimensional simulations of dilute and concentrated suspensions using smoothed particle hydrodynamics |
title_fullStr |
Three-dimensional simulations of dilute and concentrated suspensions using smoothed particle hydrodynamics |
title_full_unstemmed |
Three-dimensional simulations of dilute and concentrated suspensions using smoothed particle hydrodynamics |
title_sort |
Three-dimensional simulations of dilute and concentrated suspensions using smoothed particle hydrodynamics |
author_id_str_mv |
14cfebea6166c6de4a9764b6e98e794c 84f2af0791d38bdbf826728de7e5c69d |
author_id_fullname_str_mv |
14cfebea6166c6de4a9764b6e98e794c_***_Adolfo Vazquez-Quesada 84f2af0791d38bdbf826728de7e5c69d_***_Marco Ellero |
author |
Adolfo Vazquez-Quesada Marco Ellero |
author2 |
Adolfo Vazquez-Quesada Xin Bian Marco Ellero |
format |
Journal article |
container_title |
Computational Particle Mechanics |
container_volume |
3 |
container_issue |
2 |
container_start_page |
167 |
publishDate |
2016 |
institution |
Swansea University |
issn |
2196-4378 2196-4386 |
doi_str_mv |
10.1007/s40571-015-0072-5 |
publisher |
Springer Science and Business Media LLC |
college_str |
Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
department_str |
School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised |
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description |
A three-dimensional model for a suspension of rigid spherical particles in a Newtonian fluid is presented. The solvent is modeled with smoothed particle hydrodynamics method, which takes into account exactly the long-range multi-body hydrodynamic interactions between suspended spheres. Short-range lubrication forces which are necessary to simulate concentrated suspensions, are introduced pair-wisely based on the analytical solution of Stokes equations for approaching/departing objects. Given that lubrication is singular at vanishing solid particle separations, an implicit splitting integration scheme is used to obtain accurate results and at the same time to avoid prohibitively small simulation time steps. Hydrodynamic interactions between solid particles, at both long-range and short-range limits, are verified against theory in the case of two approaching spheres in a quiescent medium and under bulk shear flow, where good agreements are obtained. Finally, numerical results for the suspension viscosity of a many-particle system are shown and compared with analytical solutions available in the dilute and semi-dilute case as well as with previous numerical results obtained in the concentrated limit. |
published_date |
2016-04-01T03:30:25Z |
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1763751205548326912 |
score |
11.021648 |