Flow around circular cylinders with very low aspect ratio

RT Gonçalves, GR Franzini, GF Rosetti… - Journal of Fluids and …, 2015 - Elsevier
Experiments on the flow around stationary circular cylinders with very low aspect ratio
piercing the water free surface were carried out in a recirculating water channel. Eight …

The dynamic response of floating offshore wind turbine platform in wave–current condition

X Li, Q Xiao, E Wang, C Peyrard, RT Gonçalves - Physics of Fluids, 2023 - pubs.aip.org
In this paper, the fluid–structure interaction of floating offshore wind turbine (FOWT)
platforms under complex ocean conditions is investigated using OpenFOAM and in-house …

Experimental study on vortex-induced motions of a semi-submersible platform with four square columns, Part I: Effects of current incidence angle and hull appendages

RT Gonçalves, GF Rosetti, ALC Fujarra, AC Oliveira - Ocean engineering, 2012 - Elsevier
An experimental study on Vortex-Induced Motion (VIM) of the semi-submersible platform
concept with four square columns is presented. Model tests were carried out to check the …

Experimental study on vortex-induced motions of a semi-submersible platform with four square columns, Part II: Effects of surface waves, external damping and draft …

RT Gonçalves, GF Rosetti, ALC Fujarra, AC Oliveira - Ocean engineering, 2013 - Elsevier
Aiming to complete the results presented before by Gonçalves et al.(2012d. Ocean Eng. 54,
150–169) the present work brings new experimental results on VIM of a semi-submersible …

Mitigation of vortex-induced motion (VIM) on a monocolumn platform: forces and movements

RT Gonçalves, ALC Fujarra, GF Rosetti… - 2010 - asmedigitalcollection.asme.org
A great deal of works has been developed on the spar vortex-induced motion (VIM) issue.
There are, however, very few published works concerning VIM of monocolumn platforms …

An overview of relevant aspects on VIM of spar and monocolumn platforms

RT Gonçalves, GF Rosetti, ALC Fujarra… - 2012 - asmedigitalcollection.asme.org
Vortex-induced motions (VIM) of floating structures are very relevant for the design of
mooring and riser systems. In the design phase, spar and monocolumn VIM behavior, as …

Experimental study on vortex-induced motions of a semi-submersible platform with four square columns, part III: Effects of the collinear irregular and regular wave …

RT Gonçalves, LA Pinto, ALC Fujarra - Ocean Engineering, 2020 - Elsevier
Aiming to complete the results presented before in Gonçalves et al.(2012. Ocean Eng. 54,
150–169) and Gonçalves et al.(2013. Ocean Eng. 62, 10–24), this third part of the research …

Experimental comparison of two degrees-of-freedom vortex-induced vibration on high and low aspect ratio cylinders with small mass ratio

RT Gonçalves, GF Rosetti… - … of vibration and …, 2012 - asmedigitalcollection.asme.org
Vortex-induced motion (VIM) is a specific way for naming the vortex-induced vibration (VIV)
acting on floating units. The VIM phenomenon can occur in monocolumn production, storage …

Experimental study on flow-induced motions of TLP focusing on effects of appendages and mass ratio

C Tian, M Liu, L Xiao, S Wang, H Lu - Ocean Engineering, 2020 - Elsevier
Flow-induced motion (FIM) is an important issue for deep-draft floating platforms, reducing
the fatigue life of mooring and riser systems. Tension leg platforms (TLPs) with a smaller …

Evolution of the MPSO (monocolumn production, storage and offloading system)

RT Gonçalves, FT Matsumoto, EB Malta… - Marine Systems & …, 2009 - Springer
One of the most difficult challenges in the offshore industry is to reduce hydrocarbon
production costs, which increase as exploration advances to deeper water regions. Most of …