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Fast solution of elliptic harbor agitation problems under frequency-direction input spectra by model order reduction and NURBS-enhanced FEM

Author
Modesto, D.; Ye, B.; Zlotnik, S.; Huerta, A.
Type of activity
Journal article
Journal
Coastal engineering
Date of publication
2020-03-01
Volume
156
First page
103618:1
Last page
103618:13
DOI
10.1016/j.coastaleng.2019.103618
Project funding
Data assimilation for credible engineering simulations
URL
https://www.sciencedirect.com/science/article/abs/pii/S0378383919302558 Open in new window
Abstract
Many harbor applications are based on the solution of linear elliptic agitation problems for many spectral conditions. One of the main goals consists in computing the linear combination of numerous simulations of the harbor agitation problem, using monochromatic waves of different spectral components (i.e. frequency and incoming wave direction). In practice, the standard strategy selects the number of wave components according to a prescribed discretization of the 2D input spectra. The main issu...
Keywords
Harbor, Mild-slope equation, Model order reduction, NEFEM, PGD, PML
Group of research
LACÀN - Numerical Methods for Applied Sciences and Engineering

Participants