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Special Issue "Combined Numerical and Experimental Methodology for Fluid–Structure Interactions in Free Surface Flows"

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

Deadline for manuscript submissions: 30 December 2019.

Special Issue Editors

Guest Editor
Dr. Silvia Di Francesco

Niccolò Cusano University , Rome, Italy
Website | E-Mail
Phone: +39 329 4286412
Interests: CFD; free surface flows; hydraulic risk analysis and mitigation; fluid–structure interaction; Lattice Boltzmann method
Guest Editor
Prof. Chiara Biscarini

Unesco Chair in Water Resources Management and Culture- University for foreigners of Perugia, Italy
Website | E-Mail
Phone: +39 075 5746677
Interests: flood risk; water resources management; fluid–structure interaction; hydraulic modelling

Special Issue Information

Dear Colleagues,

This Special Issue aims to report the ongoing research into experimental and computational models in hydraulics as well as their novel applications in civil and environmental engineering ,with a particular emphasys on fluid–structure interaction problems.

Topics of primary interest include, but are not limited to: new numerical schemes for free surface and multiphase flows, high-performance computing, environmental hydraulics, dam break flows, urban floods, hydraulic risk analysis, sediment transport dynamics, fluid–structure interactions, multiphysics and multiscale methods.

All original contributions with experimental and/or numerical approaches in the mentioned areas will be considered for publication. We therefore invite you to submit your latest research findings showing your progress in the field of hydraulic engineering to this Special Issue of Water (ISSN 2073-4441)—an open access journal (https://www.mdpi.com/journal/water).

Dr. Silvia Di Francesco
Prof. Chiara Biscarini
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 1600 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

  • Computational fluid dynamics
  • Flood risk management
  • Fluid–structure interaction
  • Open channel hydraulics

Published Papers (1 paper)

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Research

Open AccessArticle
Fluid Structure Interaction of Buoyant Bodies with Free Surface Flows: Computational Modelling and Experimental Validation
Water 2019, 11(5), 1048; https://doi.org/10.3390/w11051048
Received: 12 April 2019 / Revised: 10 May 2019 / Accepted: 14 May 2019 / Published: 20 May 2019
PDF Full-text (1311 KB) | HTML Full-text | XML Full-text
Abstract
In this paper we present a computational model for the fluid structure interaction of a buoyant rigid body immersed in a free surface flow. The presence of a free surface and its interaction with buoyant bodies make the problem very challenging. In fact, [...] Read more.
In this paper we present a computational model for the fluid structure interaction of a buoyant rigid body immersed in a free surface flow. The presence of a free surface and its interaction with buoyant bodies make the problem very challenging. In fact, with light (compared to the fluid) or very flexible structures, fluid forces generate large displacements or accelerations of the solid and this enhances the artificial added mass effect. Such a problem is relevant in particular in naval and ocean engineering and for wave energy harvesting, where a correct prediction of the hydrodynamic loading exerted by the fluid on buoyant structures is crucial. To this aim, we develop and validate a tightly coupled algorithm that is able to deal with large structural displacement and impulsive acceleration typical, for instance, of water entry problems. The free surface flow is modeled through the volume of fluid model, the finite volume method is utilized is to discretize the flow and solid motion is described by the Newton-Euler equations. Fluid structure interaction is modeled through a Dirichlet-Newmann partitioned approach and tight coupling is achieved by utilizing a fixed-point iterative procedure. As most experimental data available in literature are limited to the first instants after the water impact, for larger hydrodynamic forces, we specifically designed a set of dedicated experiments on the water impact of a buoyant cylinder, to validate the proposed methodology in a more general framework. Finally, to demonstrate that the proposed numerical model could be used for a wide range of engineering problems related to FSI in multiphase flows, we tested the proposed numerical model for the simulation of a floating body. Full article
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