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SUMMARY:High-Order Numerical Methods for Nonlinear Free Surface Wavesand W
 ave-Structure Interaction for Engineering Applications
DTSTART:20231219T161500
DTEND:20231219T171500
DTSTAMP:20260407T163500Z
UID:e4d6990ff32918081527f1986b8be8a574920079ff72229a633a5b83
CATEGORIES:Conferences - Seminars
DESCRIPTION:Allan Peter Engsig-Karup (DTU)\nAdvances in numerical simulati
 on and modelling fidelity of water waves go in hand with continued improve
 ments in computational resources\, improving the efficiency ofnumerical al
 gorithms and the adoption of modern and emerging many-core hardware for ma
 ssively parallel computations. We discuss trends in scientific computing a
 nd link these to recent research in addressing scientific gaps to be able 
 to address nonlinear wave and wave-structure interaction problems through 
 designing new high-order numerical schemes for both nonlinear and dispersi
 ve wave propagation and nonlinear wave-structure interaction based on pote
 ntial flow theory and more recently also Navier-Stokes modelling. Through 
 simple benchmarks of increasing complexities ourresearch targetimprovement
 s in numerical efficiencythrough accelerated iterative solver strategies b
 ased on defect corrections / multigrid preconditioning\, simulation at lar
 ge spatial scales in practical times and with ability to handlethe geometr
 ic complexities ofoffshore structures and marine environments in simulatio
 ns. Highlights are given from our research spanning nearly adecade with sc
 opes towards engineering applications of high relevance for renewablesappl
 ications.\nHistorically\, and perhaps surprisingly\, spectral element meth
 ods appear to have been somewhat ‘overlooked’ in world-wide research f
 or marine hydrodynamics applications. We therefore given an overview of ke
 y scientific developments and benchmarks\, and discuss some of the pros an
 d cons\, as well as the recent years progress on advancing theuse of high-
 order numerical schemes such as spectral element methods for free surface 
 flows.\n\n 
LOCATION:GA 3 21 https://plan.epfl.ch/?room==GA%203%2021
STATUS:CONFIRMED
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