Coupled CFD and FEA to Predict the Dynamic Structural Response of Modern Cruise Ship Deck Outfitting due to wind-induced vibrations

Eetu Kivela; Puramharikrishnan Lakshmynarayanana; Spyros Hirdaris

doi:10.1115/OMAE2020-19187

Coupled CFD and FEA to Predict the Dynamic Structural Response of Modern Cruise Ship Deck Outfitting due to wind-induced vibrations

Eetu Kivela, Puramharikrishnan Lakshmynarayanana, Spyros Hirdaris

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

Abstract

Recent market trends in the cruise industry aim to provide land-based attractions on mega-cruise liners deck amusements. The structures used are mega-lightweight structures that comprise of slender beams to reduce added weight. They may be subject to dynamic wind-induced resonance as a result of fluctuating forces due to vortex shedding occurring close to the natural frequency of the structure. This paper investigates the structural responses due to wind-induced vibrations in the context of a ship deck outfitting by coupling CFD and FEA. The simulations are performed using one-and two-way coupling FSI to gain insights into the differences between the predicted responses. A deck amusement structure is idealized as an aluminum portal frame subjected to a constant head wind. Transient one-and two-way coupled simulations, based on Reynolds-Averaged Naiver-Stokes (RANS) and linear elastic 3D FEA are conducted. The predictions are compared against quasi-dynamic beam element idealizations.

Original language	English
Title of host publication	Structures, Safety, and Reliability
Publisher	American Society of Mechanical Engineers
Number of pages	9
Volume	2A
Edition	2020
ISBN (Electronic)	9780791884324
DOIs	https://doi.org/10.1115/OMAE2020-19187
Publication status	Published - 6 Aug 2020
MoE publication type	A4 Article in a conference publication
Event	International Conference on Ocean, Offshore and Arctic Engineering - Virtual Conference - Online, Fort Lauderdale, United States Duration: 3 Aug 2020 → 7 Aug 2020 Conference number: 39 https://event.asme.org/OMAE

Publication series

Name	Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE
Publisher	American Society of Mechanical Engineers
Number	V02AT02A029
Volume	2A-2020

Conference

Conference	International Conference on Ocean, Offshore and Arctic Engineering
Abbreviated title	OMAE
Country	United States
City	Fort Lauderdale
Period	03/08/2020 → 07/08/2020
Internet address	https://event.asme.org/OMAE

Keywords

Extreme loads
Cruise Ships
Fluid-Structure Interaction (FSI)
RANS/CFD
wind-induced vibrations
vortex shedding

Field of art

Design
Architecture

Access to Document

10.1115/OMAE2020-19187Licence: Unspecified

Link to publication in Scopus

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Kivela, E., Lakshmynarayanana, P., & Hirdaris, S. (2020). Coupled CFD and FEA to Predict the Dynamic Structural Response of Modern Cruise Ship Deck Outfitting due to wind-induced vibrations. In Structures, Safety, and Reliability (2020 ed., Vol. 2A). [V02AT02A029] (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE; Vol. 2A-2020, No. V02AT02A029). American Society of Mechanical Engineers. https://doi.org/10.1115/OMAE2020-19187

Kivela, Eetu ; Lakshmynarayanana, Puramharikrishnan ; Hirdaris, Spyros. / Coupled CFD and FEA to Predict the Dynamic Structural Response of Modern Cruise Ship Deck Outfitting due to wind-induced vibrations. Structures, Safety, and Reliability. Vol. 2A 2020. ed. American Society of Mechanical Engineers, 2020. (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE; V02AT02A029).

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abstract = "Recent market trends in the cruise industry aim to provide land-based attractions on mega-cruise liners deck amusements. The structures used are mega-lightweight structures that comprise of slender beams to reduce added weight. They may be subject to dynamic wind-induced resonance as a result of fluctuating forces due to vortex shedding occurring close to the natural frequency of the structure. This paper investigates the structural responses due to wind-induced vibrations in the context of a ship deck outfitting by coupling CFD and FEA. The simulations are performed using one-and two-way coupling FSI to gain insights into the differences between the predicted responses. A deck amusement structure is idealized as an aluminum portal frame subjected to a constant head wind. Transient one-and two-way coupled simulations, based on Reynolds-Averaged Naiver-Stokes (RANS) and linear elastic 3D FEA are conducted. The predictions are compared against quasi-dynamic beam element idealizations.",

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Kivela, E, Lakshmynarayanana, P & Hirdaris, S 2020, Coupled CFD and FEA to Predict the Dynamic Structural Response of Modern Cruise Ship Deck Outfitting due to wind-induced vibrations. in Structures, Safety, and Reliability. 2020 edn, vol. 2A, V02AT02A029, Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE, no. V02AT02A029, vol. 2A-2020, American Society of Mechanical Engineers, International Conference on Ocean, Offshore and Arctic Engineering, Fort Lauderdale, United States, 03/08/2020. https://doi.org/10.1115/OMAE2020-19187

Coupled CFD and FEA to Predict the Dynamic Structural Response of Modern Cruise Ship Deck Outfitting due to wind-induced vibrations. / Kivela, Eetu; Lakshmynarayanana, Puramharikrishnan ; Hirdaris, Spyros.

Structures, Safety, and Reliability. Vol. 2A 2020. ed. American Society of Mechanical Engineers, 2020. V02AT02A029 (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE; Vol. 2A-2020, No. V02AT02A029).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

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AU - Hirdaris, Spyros

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PB - American Society of Mechanical Engineers

T2 - International Conference on Ocean, Offshore and Arctic Engineering

Y2 - 3 August 2020 through 7 August 2020

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Kivela E, Lakshmynarayanana P , Hirdaris S. Coupled CFD and FEA to Predict the Dynamic Structural Response of Modern Cruise Ship Deck Outfitting due to wind-induced vibrations. In Structures, Safety, and Reliability. 2020 ed. Vol. 2A. American Society of Mechanical Engineers. 2020. V02AT02A029. (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE; V02AT02A029). https://doi.org/10.1115/OMAE2020-19187