Mixture theory-based SPH model for submerged landslide

A novel SPH model aimed at solving the coupled water-soil problems is proposed based on the mixture theory. This method is featured with the spatially overlapped dual continua for both fluid and solid phases. The water phase is modeled as a weakly-compressible Newtonian fluid, and the soil phase is...

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Main Authors: Zhu Chengwei, Peng Chong, Wu Wei
Format: Article
Language:English
Published: EDP Sciences 2023-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/52/e3sconf_dfhm82023_02026.pdf
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author Zhu Chengwei
Peng Chong
Wu Wei
author_facet Zhu Chengwei
Peng Chong
Wu Wei
author_sort Zhu Chengwei
collection DOAJ
description A novel SPH model aimed at solving the coupled water-soil problems is proposed based on the mixture theory. This method is featured with the spatially overlapped dual continua for both fluid and solid phases. The water phase is modeled as a weakly-compressible Newtonian fluid, and the soil phase is modeled using an elastoplastic constitutive model. The benchmark problem, fully submerged soil subjected to gravity, is examined to validate this SPH model. Finally, a submerged landslide is simulated to demonstrate the capability of the proposed SPH model in solving the dynamic soil–water coupling problems.
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spelling doaj.art-84a104abcecd41278abfc18ee2606f762023-08-21T09:02:37ZengEDP SciencesE3S Web of Conferences2267-12422023-01-014150202610.1051/e3sconf/202341502026e3sconf_dfhm82023_02026Mixture theory-based SPH model for submerged landslideZhu Chengwei0Peng Chong1Wu Wei2Research Center of Coastal and Urban Geotechnical Engineering, Zhejiang UniversityESS Engineering Software Steyr GmbHInstitut für Geotechnik, Universität für BodenkulturA novel SPH model aimed at solving the coupled water-soil problems is proposed based on the mixture theory. This method is featured with the spatially overlapped dual continua for both fluid and solid phases. The water phase is modeled as a weakly-compressible Newtonian fluid, and the soil phase is modeled using an elastoplastic constitutive model. The benchmark problem, fully submerged soil subjected to gravity, is examined to validate this SPH model. Finally, a submerged landslide is simulated to demonstrate the capability of the proposed SPH model in solving the dynamic soil–water coupling problems.https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/52/e3sconf_dfhm82023_02026.pdf
spellingShingle Zhu Chengwei
Peng Chong
Wu Wei
Mixture theory-based SPH model for submerged landslide
E3S Web of Conferences
title Mixture theory-based SPH model for submerged landslide
title_full Mixture theory-based SPH model for submerged landslide
title_fullStr Mixture theory-based SPH model for submerged landslide
title_full_unstemmed Mixture theory-based SPH model for submerged landslide
title_short Mixture theory-based SPH model for submerged landslide
title_sort mixture theory based sph model for submerged landslide
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/52/e3sconf_dfhm82023_02026.pdf
work_keys_str_mv AT zhuchengwei mixturetheorybasedsphmodelforsubmergedlandslide
AT pengchong mixturetheorybasedsphmodelforsubmergedlandslide
AT wuwei mixturetheorybasedsphmodelforsubmergedlandslide