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Titel |
Wave and hydrodynamics modelling in coastal areas with open-source solver: influence of the coupling mechanisms |
VerfasserIn |
M. Gabriella Gaeta, Achilleas Samaras, Renata Archetti |
Konferenz |
EGU General Assembly 2015
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Medientyp |
Artikel
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Sprache |
Englisch
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Digitales Dokument |
PDF |
Erschienen |
In: GRA - Volume 17 (2015) |
Datensatznummer |
250112289
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Publikation (Nr.) |
EGU/EGU2015-12434.pdf |
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Zusammenfassung |
Wave propagation with the open-source suite TELEMAC is modelled by means of a finite-element type approach. The module TOMAWAC solves a simplified equation for the spectroangular density of wave action and is coupled to TELEMAC2D and 3D, solving the Navier-Stokes equations. Coastal areas and the harbor of Bari in the Puglia region (south of Italy) are implemented. The physical processes modelled comprise (i) energy source/dissipation processes (wind driven interactions with atmosphere, dissipation through wave breaking / whitecapping / waveblocking due to strong opposing currents, bottom friction induced dissipation), (ii) non-linear energy transfer conservative processes (resonant quadruplet interactions, triad interactions), and (iii) wave propagation-related processes due to the wave group / current velocity, depth-/current-induced. Preliminary results show the effect of the wave- and current- related processes: the simulations reproduce different extreme wave scenarios and the coupling modelling leads to an increase in wave disturbance inside the port. |
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