Simulation of Hydrodynamic and Sediment Transport Fields in Seas and Rivers

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

Deadline for manuscript submissions: closed (20 August 2021) | Viewed by 2062

Special Issue Editor


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Guest Editor
Department of Civil, Constructional and Environmental Engineering, Sapienza University of Rome, Rome, Italy
Interests: computational hydraulics; coastal engineering; fluid mechanics; numerical modelling; shock-capturing schemes; curvilinear coordinate systems
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Special Issue Information

Dear Colleagues,

This Special Issue focuses on simulations of hydrodynamic and sediment transport phenomena that take place in coastal regions, rivers, and in transition zones such as river mouths and lagoons.

The simulation of these phenomena allows us to evaluate hydrodynamic forces and the evolutive processes that affect the abovementioned regions and coastal and river defense structures.

This Special Issue welcomes original research articles, comprehensive reviews, and applied studies concerning numerical and experimental simulations of velocity, free surface elevation, and suspended sediment concentration fields produced by wave motion, coastal currents, tidal flows, and river currents.

The contributions for this Special Issue may concern the adopted numerical or experimental methodologies and the application of numerical and experimental methods to practical engineering case studies.

The topics of this Special Issue include, but are not limited to, three-dimensional or two-dimensional numerical simulations, and experimental studies for free surface flow and sediment transport phenomena.

Original contributions are encouraged concerning, for example, theoretical aspects, innovative mathematical representations, and numerical or experimental methodology about specific phenomena such as turbulence, wave breaking, resuspension and transport of solid particles, changes in river and sea bottoms, and evolution of coastlines.

Prof. Dr. Francesco Gallerano
Guest Editor

Manuscript Submission Information

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Keywords

  • Three-dimensional and two-dimensional simulation
  • Turbulence model
  • Wave breaking
  • Shock-capturing
  • High order numerical scheme
  • Sediment transport
  • Free surface flow
  • Coastal area
  • River

Published Papers (1 paper)

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Research

25 pages, 9447 KiB  
Article
Experiments on the Sinking of Marine Pipelines on Clayey Soils
by Edgar Mendoza, María G. Neves, Cristina Afonso, Rodolfo Silva, André Ramos and Miguel Losada
Water 2022, 14(5), 704; https://doi.org/10.3390/w14050704 - 23 Feb 2022
Viewed by 1407
Abstract
An experimental study was carried out to investigate seabed-pipeline interactions with regard to soil liquefaction. For a soil with a high proportion (30 to 60%) of fine sediment, four groups of tests were configured to reproduce soil liquefaction around pipelines for different initial [...] Read more.
An experimental study was carried out to investigate seabed-pipeline interactions with regard to soil liquefaction. For a soil with a high proportion (30 to 60%) of fine sediment, four groups of tests were configured to reproduce soil liquefaction around pipelines for different initial pipe depths, pipe densities and wave conditions (wave height and period). The study focused on verifying the theoretically computed areas of soil failure by analyzing the sinking depths of the pipelines. The main findings are that a pipe with a submerged specific weight of less than half that of the soil will move up to the mudline; that the loss of soil loading capacity is more frequently evidenced in a fluid-like behavior of the soil than by an abrupt breaking of the soil matrix; and that the pipes which are totally buried will sink more than half-buried pipes. Moreover, wave action and the specific weight of the pipes seem to play more important roles in the expected behavior of the wave–soil–pipe interaction than the initial water content of the mud. Full article
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