Konferensartikel

Modelica Component Models for Oceanic Surface Waves and Depth Varying Current

Savin Viswanathan
Dept. of Mechanical and Industrial Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway

Christian Holden
Dept. of Mechanical and Industrial Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway

Ladda ner artikelhttps://doi.org/10.3384/ecp2016991

Ingår i: Proceedings of the American Modelica Conference 2020, Boulder, Colorado, USA, March 23-25, 2020

Linköping Electronic Conference Proceedings 169:10, s. 91-100

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Publicerad: 2020-11-03

ISBN: 978-91-7929-900-2

ISSN: 1650-3686 (tryckt), 1650-3740 (online)

Abstract

In this paper, the theory of progressive ocean-surface gravity-waves is discussed, followed by the concept of the representation of the irregular sea-state by a sea-spectrum. Fourier series decomposition of the irregular sea-surface into its constituent regular waves and the method of realizing unique time-records of the sea-surface-elevation from commonly used sea-spectra is described. A detailed description of the development of Modelica componentmodels to generate regular as well as irregular waves, and depth-varying current, with an eye on the requirements imposed by probable integrated simulation scenarios, is then presented and the results discussed.

Nyckelord

regular wave, irregular wave, sea-spectrum, Modelica ocean-engineering library.

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