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Grant support

Acknowledgements The authors gratefully acknowledge the economic support provided by the Spanish Ministry MINECO under project P -LAND (PID2019-105630GB-I00) .

Analysis of institutional authors

Tayyebi, SmCorresponding AuthorPastor, MAuthorStickle, MmAuthorYague, AAuthorManzanal, DAuthorMolinos, MAuthorNavas, PAuthor

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August 1, 2022
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Hybrid Gold

SPH numerical modelling of landslide movements as coupled two-phase flows with a new solution for the interaction term

Publicated to:European Journal Of Mechanics B-Fluids. 96 1-14 - 2022-06-29 96(), DOI: 10.1016/j.euromechflu.2022.06.002

Authors: Tayyebi, Saeid Moussavi; Pastor, Manuel; Stickle, Miguel Martin; Yague, Angel; Manzanal, Diego; Molinos, Miguel; Navas, Pedro

Affiliations

Univ Politecn Madrid, Dept Continuum Mech & Theory Struct, ETSI Camino Canales & Puertos, Calle Prof Aranguren 3, Madrid 28040, Spain - Author
Univ Politecn Madrid, Dept Math & Comp Appl Civil & Naval Engn, ETS Ingenieros Caminos, Calle Prof Aranguren 3, Madrid 28040, Spain - Author

Abstract

In this paper, the theoretical framework is a depth-integrated two-phase model capable of considering many essential physical aspects such as reproducing the propagation of debris flows with soil permeability ranging from high to low and considering the pore-water pressure evolution. In this model, the pore fluid is described by an additional set of depth-integrated balance equations in order to take into account the velocity of pore fluid. The model employs a frictional rheological law for the granular material, and the interstitial fluid is treated as a Newtonian fluid. A drag law describes the interaction between interstitial fluid and grains. The variables of permeability, porosity, and drag force are included in the governing equations to consider the interaction between the phases. This paper aims to extend a generalized two-phase depth-integrated model to enhance the description of the interaction between the two phases and their respective movements. It allows us to increase our understanding of the mechanism behind natural rapid landslides. To evaluate the developed approach, a set of dam-break problems has been performed. These simulations provide interesting information in simple and controlled situations on the landslide propagations with different degrees of soil permeability and the interaction between solid and fluid phases. The extended model has also been applied to simulate the dynamics of the Acheron rock avalanche, which is an appropriate benchmark to examine the applicability of the model to real cases.(c) 2022 The Author(s). Published by Elsevier Masson SAS. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

Keywords

Acheron rock avalancheCanterburyCouple problemCouple problemsDam-breakDam-breaksDepth integratedDepth integrated modelDepth-integrated modelDepth-integrated modelsDragDynamicsEntrainmentFormulationInteraction forceInteraction forcesLandslidesMechanical permeabilityNew-zealandNewtonian liquidsPermeabilityPore fluidsPropagationRock avalancheSimulationSmoothed particle hydrodynamicsSphTwo phaseTwo phase flowTwo phases

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal European Journal Of Mechanics B-Fluids due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2022, it was in position 60/137, thus managing to position itself as a Q2 (Segundo Cuartil), in the category Physics, Fluids & Plasmas. Notably, the journal is positioned en el Cuartil Q2 para la agencia Scopus (SJR) en la categoría Physics and Astronomy (Miscellaneous).

From a relative perspective, and based on the normalized impact indicator calculated from World Citations provided by WoS (ESI, Clarivate), it yields a value for the citation normalization relative to the expected citation rate of: 1.39. This indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: ESI Nov 14, 2024)

This information is reinforced by other indicators of the same type, which, although dynamic over time and dependent on the set of average global citations at the time of their calculation, consistently position the work at some point among the top 50% most cited in its field:

  • Weighted Average of Normalized Impact by the Scopus agency: 2.54 (source consulted: FECYT Feb 2024)
  • Field Citation Ratio (FCR) from Dimensions: 4.93 (source consulted: Dimensions Jul 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-07-26, the following number of citations:

  • WoS: 14
  • Scopus: 16

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-07-26:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 21.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 23 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 1.
  • The number of mentions on the social network X (formerly Twitter): 2 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.

Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (MOUSSAVI TAYYEBI, SAEID) and Last Author (NAVAS ALMODOVAR, PEDRO).

the author responsible for correspondence tasks has been MOUSSAVI TAYYEBI, SAEID.