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@conference{Burmester2017,
title = {Surge Decay Simulations of a Semi-Submersible Floating Offshore Wind Turbine},
author = {Burmester, S., Gueydon, S., Vaz, G. and El Moctar, B},
url = {http://www.marin.nl/web/Publications/Publication-items/Surge-Decay-Simulations-of-a-SemiSubmersible-Floating-Offshore-Wind-Turbine.htm},
year = {2017},
date = {2017-10-03},
booktitle = {20th Numerical Towing Tank Symposium (NuTTS), Wageningen, The Netherlands},
abstract = {The OC5 (Offshore Code Comparison, Collaboration, Continued, with Correlation) project was focused on the validation of numerical simulations of the DeepCwind semi-submersible floating wind turbine with experimental data obtained from physical tests performed at the facilities of MARIN. In this paper the focus lies on the prediction of the hydrodynamic damping for surge motion. It is assumed that the hydrodynamic damping consists of wave radiation damping, viscous damping and drag of the mooring lines. The viscous damping cannot be predicted by potential flow based methods. On these grounds, the viscous flow solver ReFRESCO is used to simulate the surge decay test of the OC5 semi-submersible floating wind turbine. There are many mooring models available with lots of different properties. Dynamic mooring models are needed to account for the drag of the mooring lines moving in water. For this work the moorings are considered with a linear stiffness matrix in the equations of motion, i.e. no drag of the mooring lines is considered in the current study. Nevertheless, several surge decay simulations are performed to understand the effects of scaling and wave radiation on the hydrodynamic damping. Numerical results are compared with the above mentioned experimental data.},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}

@conference{Abreu2017,
title = {Code Verification Exercise of a Navier-Stokes Solver for Compressible Flows in the Laminar and Subsonic Regimes},
author = {Abreu, H., Eça, L., and Klaij, C.M.},
url = {http://www.marin.nl/web/Publications/Publication-items/Code-Verification-Exercise-of-a-NavierStokes-Solver-for-Compressible-Flows-in-the-Laminar-and-Subsonic-Regimes.htm},
year = {2017},
date = {2017-10-03},
booktitle = {20th Numerical Towing Tank Symposium (NuTTS), Wageningen, The Netherlands},
abstract = {Many of the flows of interest to the naval and offshore industries deal with fluids that are usually assumed to be incompressible. However, there are several phenomena, as for example slamming, sloshing or cavitation where the fluid compressibility must be taken into account. All these applications involve compressible two-phase flows, which are the ultimate goal of the present development of the flow solver ReFRESCO.
As a first step of this development, this paper presents a Code Verification exercise performed with the Method of Manufactured Solutions, for laminar compressible flows in the subsonic regime. This first extension of ReFRESCO for a fluid that obeys the perfect gas equation of state requires two steps: 1. Adaptation of the SIMPLE algorithm used to determine the pressure field. 2. Solution of the energy equation to determine the temperature field.
This first step of the development is well documented in the open literature for both single phase and multiphase flows. On the other hand, the energy equation is already available in ReFRESCO but it is seldom solved in incompressible flow solutions. However, its formulation must be updated due to the change of the equation of state. Nonetheless, the present paper presents one more manufactured solution for the Verification of compressible solvers and guarantees that we start this development with a good basis.},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}