Special Issue "Lattice Boltzmann for Free Surface Flows"

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Hydraulics and Hydrodynamics".

Deadline for manuscript submissions: closed (30 November 2019).

Special Issue Editors

Prof. Dr. Michele La Rocca
Website
Guest Editor
Department of Engineering, University of Rome “Roma Tre”, Via della Vasca Navale 79, Rome 00141, Italy
Interests: shallow water flows; Lattice Boltzmann Method; Discrete Boltzmann method; multi-layered shallow water flows; shallow granular flows
Dr. Pietro Prestininzi
Website
Guest Editor
Department of Engineering, University of Rome “Roma Tre”, Via della Vasca Navale 79, Rome 00141, Italy
Interests: flood modelling; environmental flows; Lattice Boltzmann Method; Multiphase flows; density driven flows; shallow water flows; mixing in estuaries; flow induced vibrations; droplet dynamics
Dr. Andrea Montessori
Website
Guest Editor
Institute for Computing Applications, National Research Council of Italy (IAC-CNR)
Interests: computational physics; mesoscale models; microfluidics; interfaces; soft materials

Special Issue Information

Dear Colleagues,

We encourage you to submit papers to an important Special Issue of Water focused on the application of Lattice Boltzmann (LBM) and Discrete Boltzmann (DBM) methods to free surface flows. Both LBM and DBM are nowadays consolidated and efficient computational methods, based on the kinetic theory of Boltzmann, which allow the simulation of a broad variety of fluid flows. Among them, free surface flows occur extensively in the environmental hydraulics. Based on the prevailing spatial scales, they can be modelled as fully 3D or as shallow flows. The former approach allows for the investigation of small scale phenomena, while the latter can give important technical information over large domains.

Papers for this Special Issue should be aimed at showing the versatility and the broad variety of the applicability of LBM and DBM in the free surface fluid dynamics. Additionally, papers can be addressed at advanced free surface flows simulations as advection-diffusion of contaminants in water bodies, multi-layered shallow water flows, shallow granular flows, buoyancy driven flows, etc. Case studies are suitable but must substantively contribute to a broader understanding of this topic.

Prof. Dr. Michele La Rocca
Dr. Pietro Prestininzi
Dr. Andrea Montessori
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • free surface water flows
  • Lattice Boltzmann Method
  • Discrete Boltzmann method
  • multi-layered shallow water flows
  • shallow granular flows
  • buoyancy driven flows

Published Papers (1 paper)

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Research

Open AccessArticle
MRT-Lattice Boltzmann Model for Multilayer Shallow Water Flow
Water 2019, 11(8), 1623; https://doi.org/10.3390/w11081623 - 06 Aug 2019
Cited by 2
Abstract
The objectives of this study are to introduce a multiple-relaxation-time (MRT) lattice Boltzmann model (LBM) to simulate multilayer shallow water flows and to introduce graphics processing unit (GPU) computing to accelerate the lattice Boltzmann model. Using multiple relaxation times in the lattice Boltzmann [...] Read more.
The objectives of this study are to introduce a multiple-relaxation-time (MRT) lattice Boltzmann model (LBM) to simulate multilayer shallow water flows and to introduce graphics processing unit (GPU) computing to accelerate the lattice Boltzmann model. Using multiple relaxation times in the lattice Boltzmann model has an advantage of handling very low kinematic viscosity without causing a stability problem in the shallow water equations. This study develops a multilayer MRT-LBM to solve the multilayer Saint-Venant equations to obtain horizontal flow velocities in various depths. In the multilayer MRT-LBM, vertical kinematic viscosity forcing is the key term to couple adjacent layers. We implemented the multilayer MRT-LBM to a GPU-based high-performance computing (HPC) architecture. The multilayer MRT-LBM was verified by analytical solutions for cases of wind-driven, density-driven, and combined circulations with non-uniform bathymetry. The results show good speedup and scalability for large problems. Numerical solutions compared well to the analytical solutions. The multilayer MRT-LBM is promising for simulating lateral and vertical distributions of the horizontal velocities in shallow water flow. Full article
(This article belongs to the Special Issue Lattice Boltzmann for Free Surface Flows)
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