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On the implicit immersed boundary method in coupled discrete element and lattice Boltzmann method

Min Wang Orcid Logo, Yuntian Feng Orcid Logo, Tongming Qu Orcid Logo

International Journal for Numerical and Analytical Methods in Geomechanics, Volume: 44, Issue: 4, Pages: 516 - 532

Swansea University Author: Yuntian Feng Orcid Logo

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DOI (Published version): 10.1002/nag.3035

Abstract

The coupled discrete element method and lattice Boltzmann method (DEMLBM) has increasingly drawn attention of researchers in geomechanics due to its mesoscopic nature since 2000. Immersed boundary method (IBM) and immersed moving boundary (IMB) are two popular schemes for coupling fluid particle in...

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Published in: International Journal for Numerical and Analytical Methods in Geomechanics
ISSN: 0363-9061 1096-9853
Published: Wiley 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa52912
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first_indexed 2020-01-07T13:46:43Z
last_indexed 2020-12-15T04:14:57Z
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spelling v2 52912 2019-12-02 On the implicit immersed boundary method in coupled discrete element and lattice Boltzmann method d66794f9c1357969a5badf654f960275 0000-0002-6396-8698 Yuntian Feng Yuntian Feng true false 2019-12-02 CIVL The coupled discrete element method and lattice Boltzmann method (DEMLBM) has increasingly drawn attention of researchers in geomechanics due to its mesoscopic nature since 2000. Immersed boundary method (IBM) and immersed moving boundary (IMB) are two popular schemes for coupling fluid particle in DEMLBM. This work aims at coupling DEM and LBM using the latest IBM algorithm and investigating its accuracy, computational efficiency, and applicability. Two benchmark tests, interstitial fluid flow in an ideal packing and single particle sedimentation in viscous fluid, are carried out to demonstrate the accuracy of IBM through semi‐empirical Ergun equation, finite element method (FEM), and IMB. Then, simulations of particle migration with relatively large velocity in Poiseuille flow are utilized to address limitations of IBM in DEMLBM modeling. In addition, advantages and deficiencies of IBM are discussed and compared with IMB. It is found that the accuracy of IBM can be only guaranteed when sufficient boundary points are used and it is not suitable for geomechanical problems involving large fluid or particle velocity. Journal Article International Journal for Numerical and Analytical Methods in Geomechanics 44 4 516 532 Wiley 0363-9061 1096-9853 1 3 2020 2020-03-01 10.1002/nag.3035 http://dx.doi.org/10.1002/nag.3035 COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University 2023-06-02T15:30:29.3924046 2019-12-02T09:46:43.4511877 Professional Services Min Wang 0000-0002-4454-2480 1 Yuntian Feng 0000-0002-6396-8698 2 Tongming Qu 0000-0003-3058-8282 3 52912__16005__601349be15004e1b8d3a7a68074fe623.pdf wang2019(5).pdf 2019-12-02T09:48:08.3389218 Output 1353510 application/pdf Accepted Manuscript true 2020-12-16T00:00:00.0000000 true
title On the implicit immersed boundary method in coupled discrete element and lattice Boltzmann method
spellingShingle On the implicit immersed boundary method in coupled discrete element and lattice Boltzmann method
Yuntian Feng
title_short On the implicit immersed boundary method in coupled discrete element and lattice Boltzmann method
title_full On the implicit immersed boundary method in coupled discrete element and lattice Boltzmann method
title_fullStr On the implicit immersed boundary method in coupled discrete element and lattice Boltzmann method
title_full_unstemmed On the implicit immersed boundary method in coupled discrete element and lattice Boltzmann method
title_sort On the implicit immersed boundary method in coupled discrete element and lattice Boltzmann method
author_id_str_mv d66794f9c1357969a5badf654f960275
author_id_fullname_str_mv d66794f9c1357969a5badf654f960275_***_Yuntian Feng
author Yuntian Feng
author2 Min Wang
Yuntian Feng
Tongming Qu
format Journal article
container_title International Journal for Numerical and Analytical Methods in Geomechanics
container_volume 44
container_issue 4
container_start_page 516
publishDate 2020
institution Swansea University
issn 0363-9061
1096-9853
doi_str_mv 10.1002/nag.3035
publisher Wiley
college_str Professional Services
hierarchytype
hierarchy_top_id professionalservices
hierarchy_top_title Professional Services
hierarchy_parent_id professionalservices
hierarchy_parent_title Professional Services
url http://dx.doi.org/10.1002/nag.3035
document_store_str 1
active_str 0
description The coupled discrete element method and lattice Boltzmann method (DEMLBM) has increasingly drawn attention of researchers in geomechanics due to its mesoscopic nature since 2000. Immersed boundary method (IBM) and immersed moving boundary (IMB) are two popular schemes for coupling fluid particle in DEMLBM. This work aims at coupling DEM and LBM using the latest IBM algorithm and investigating its accuracy, computational efficiency, and applicability. Two benchmark tests, interstitial fluid flow in an ideal packing and single particle sedimentation in viscous fluid, are carried out to demonstrate the accuracy of IBM through semi‐empirical Ergun equation, finite element method (FEM), and IMB. Then, simulations of particle migration with relatively large velocity in Poiseuille flow are utilized to address limitations of IBM in DEMLBM modeling. In addition, advantages and deficiencies of IBM are discussed and compared with IMB. It is found that the accuracy of IBM can be only guaranteed when sufficient boundary points are used and it is not suitable for geomechanical problems involving large fluid or particle velocity.
published_date 2020-03-01T15:30:27Z
_version_ 1767601579394859008
score 11.013148

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