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- Wellens, P.R. (author) conference paper 2007
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- Bunnik, T. (author), Veldman, A. (author), Wellens, P.R. (author) conference paper 2008
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- Wellens, P.R. (author) conference paper 2008
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- Veldman, A.E.P. (author), Luppes, R. (author), Bunnik, T. (author), Huijsmans, R.H.M. (author), Duz, B. (author), Iwanowski, B. (author), Wemmenhove, R. (author), Borsboom, M.J.A. (author), Wellens, P.R. (author), van der Heiden, H.J.L. (author), van der Plas, P. (author) conference paper 2011
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Duz, B. (author), Huijsmans, R.H.M. (author), Veldman, A.E.P. (author), Borsboom, M.J.A. (author), Wellens, P.R. (author)In this paper the use of an absorbing boundary condition (ABC) is investigated for the numerical simulation of regular and irregular waves in three dimensional computational domains where Navier-Stokes equations describe the motion of the fluid. The numerical implementation of the ABC using a staggered grid arrangement is explained in detail....conference paper 2011
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- Duz, B. (author), Huijsmans, R.H.M. (author), Borsboom, M.J.A. (author), Wellens, P.R. (author), Veldman, A.E.P. (author) conference paper 2012
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Wellens, P.R. (author)<Subject and main objective> There is a desire to assess extreme wave loads on offshore structures like Floating Production, Storage and Offloading (FPSO) vessels, either for design, or for evaluation when circumstances near the structure change. Design formulae for extreme wave loads are scarce and have limited validity for specific structures....doctoral thesis 2012
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- Duz, B. (author), Borsboom, M.J.A. (author), Wellens, P.R. (author), Veldman, A.E.P. (author), Huijsmans, R.H.M. (author) conference paper 2013
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Duz, B. (author), Borsboom, M.J.A. (author), Veldman, A.E.P. (author), Wellens, P.R. (author), Huijsmans, R.H.M. (author)In this paper the attention is focused on the effect of various VOF methods on efficient and accurate simulation of free surface water waves. For this purpose, we will compare several VOF methods in numerical simulations of propagating waves where strong nonlinear behavior is dominant in the flow. Comparisons and discussions will be provided to...conference paper 2016
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Duz, B. (author), Borsboom, M.J.A. (author), Veldman, A.E.P. (author), Wellens, P.R. (author), Huijsmans, R.H.M. (author)In this paper, the use of an absorbing boundary condition (ABC) is investigated for the numerical simulation of free surface water waves. An enhanced type of an ABC based on the first- and second-order Higdon boundary conditions is presented. The numerical implementation of the ABC using a staggered grid arrangement is explained in detail....journal article 2017
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- Veldman, Arthur E.P. (author), van der Plas, Peter (author), Seubers, Henk (author), Hosseini Zahraei, S.M. (author), Chang, X. (author), Wellens, P.R. (author), Helder, Joop (author) conference paper 2019
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Wellens, P.R. (author), Borsboom, Mart (author)The boundaries of numerical domains for free-surface wave simulations with marine structures generate spurious wave reflection if no special measures are taken to prevent it. The common way to prevent reflection is to use dissipation zones at the cost of increased computational effort. On many occasions, the size of the dissipation area is...journal article 2020
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Tan, J. (author), Polinder, H. (author), Jarquin Laguna, A. (author), Wellens, P.R. (author), Miedema, S.A. (author)Currently, the techno-economic performance of Wave Energy Converters (WECs) is not competitive with other renewable technologies. Size optimization could make a difference. However, the impact of sizing on the techno-economic performance of WECs still remains unclear, especially when sizing of the buoy and Power Take-Off (PTO) are considered...journal article 2021
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Bos, R.W. (author), Wellens, P.R. (author)To study how an extreme wave load on a maritime structure causes structural deformation, an experiment is conducted to measure the response of a one degree-of-freedom pendulum in a focused, breaking wave. The tube that makes up the base of the pendulum covers almost the entire width of the tank so that three-dimensional effects can be...journal article 2021
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Xu, P. (author), Wellens, P.R. (author)Maritime structures in water always experience a mean hydrostatic pressure. This paper investigates the nonlinear vibration of a clamped circular thin plate subjected to a non-zero mean load. A set of coupled Helmholtz–Duffing equations is obtained by decomposing the static and dynamic deflections and employing a Galerkin procedure. The...journal article 2021
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Bos, R.W. (author), Wellens, P.R. (author)Maritime structures operating out at sea experience large changes in wetted area because of free surface waves. Although these conditions are typical for maritime applications, a fundamental experiment that includes a structure in the air–water interface undergoing transitions from dry to wet and back does not appear to exist. This paper aims...journal article 2021
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Xu, P. (author), Wellens, P.R. (author)The present research analyzes the nonlinear fluid–structure interaction (FSI) of free surface waves with large-scale polymer offshore floating photovoltaics (LPOFPV). The floating structure is modeled as a nonlinear Euler Bernoulli–von Kármán (EBVK) beam coupling with water beneath. The EBVK theory takes the in-plane force into consideration to...journal article 2022
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Boon, A.D. (author), Wellens, P.R. (author)This article proposes a method to quantify, first, the probability of occurrence of green water and, second, the expected maximum pressures during green water events using their statistical distribution for ships at forward speed. A large green water data set which represents 1945 hours of continuous sailing on full scale with different sea...journal article 2022
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Xu, P. (author), Wellens, P.R. (author)This paper concerns the fully nonlinear fluid–structure interaction (FSI) of Large-scale floating photovoltaics (LFPV) in waves. The Euler Bernoulli–von Kármán beam models the structure while potential flow represents the fluid. A set of coupled dynamical equations is established. The fully analytic solution is sought with the unified Stokes...journal article 2022
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Hengelmolen, Vera (author), Wellens, P.R. (author)The added resistance is a resistance component that is not yet satisfactorily predicted, although its accurate estimation is crucial-both from an environmental and economic point of view-from the design stage of a ship until its operation. One of the possible sources of overprediction is the occurrence of bow wave breaking. The first aim of...journal article 2022
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