@inproceedings{1b9d222b479440d298e56987187c5108,
title = "Simulation of Nonlinear Waves Interacting with a Heaving Floating Body using a p-Multigrid Spectral Element Method",
abstract = "We present a Spectral Element Fully Nonlinear Potential Flow (FNPF- SEM) model developed for the simulation of wave-body interactions between nonlinear free surface waves and impermeable structures. The solver is accelerated using an iterative p-multigrid algorithm. Two cases are considered: (i) a surface piercing box forced into vertical motion creating radiated waves and (ii) a rectangular box released above its equilibrium resulting in freely decaying heave motion. The FNPF-SEM model is validated by comparing the computed hydrodynamic forces against those obtained by a Navier-Stokes solver. Although not perfect agreement is observed the results are promising, a significant speedup due to the iterative algorithm is however seen.",
keywords = "Spectral element method, p-multigrid, Fully nonlinear potential flow, Wave-body interactions, Acceleration potential method",
author = "Mortensen, {Line K.} and Laskowski, {Wojciech Jacek} and Engsig-Karup, {Allan P.} and Claes Eskilsson and Carlos Monteserin",
year = "2021",
language = "English",
isbn = "978-1-880653-82-1",
series = "Proceedings of the International Offshore and Polar Engineering Conference",
publisher = "International Society of Offshore and Polar Engineers",
pages = "1569--1576",
booktitle = "Proceedings of the Thirty-first (2021) International Ocean and Polar Engineering Conference",
note = "31<sup>st</sup> International Ocean and Polar Engineering Conference, ISOPE 2021 ; Conference date: 20-06-2021 Through 25-06-2021",
}