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Implementation of forward speed effects on an open source seakeeping solver Donatini, L.; Herdayanditya, I.; Verao Fernandez, G.; Brama Krishna Pribadi, A.; Lataire, E.; Delefortrie, G. (2022). Implementation of forward speed effects on an open source seakeeping solver, in: Candries, M. et al. 6th MASHCON - International Conference on Ship Manoeuvring in Shallow and Confined Water with special focus on port manoeuvres, 22 - 26 May 2022, Glasgow, UK. pp. 19-33 In: Candries, M. et al. (2022). 6th MASHCON - International Conference on Ship Manoeuvring in Shallow and Confined Water with special focus on port manoeuvres, 22 - 26 May 2022, Glasgow, UK. Ghent University. Maritime Technology Division/Flanders Hydraulics Research/University of Strathclyde Glasgow: Ghent. XVIII, 355 pp., meer

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Beschikbaar in	Auteurs
Waterbouwkundig Laboratorium: Open Repository 377873 [ OWA ]
Documenttype: Congresbijdrage

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Trefwoorden

Harbours and waterways > Ship motion > Seakeeping Numerical calculations

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Auteurs		Top
Donatini, L., meer Herdayanditya, I. Verao Fernandez, G.	Brama Krishna Pribadi, A. Lataire, E., meer Delefortrie, G., meer

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Abstract

This paper describes the theoretical and practical aspects of a first implementation of forward speed effects into the open source potential flow seakeeping solver Capytaine, which solves the 3D boundary value problems (BVP) of wave radiation and diffraction in the frequency domain. The effects of forward speed are included by correcting the results of the BVPs solved with zero speed Green’s functions, according to the approach usually referred to as Approximate Forward Speed (AFS). This approach, only partially documented in literature, was never implemented before in an open source 3D code for the solution of the seakeeping problem in the frequency domain. The theoretical aspects, as well as the practical challenges of an implementation in Capytaine are explored in detail in this paper. The results of applying the code to the KCS container ship are presented and compared with the results obtained using the state-of-the-art commercial code HydroStar.

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