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Henriquez, M. (author)Artificial Surf Reefs (ASR) are built to improve the surf conditions of the waves. Three ASR have been realized over the last decade and many more are planned to be constructed within a period of ten years. Even though a hot topic, ASR design is often done fairly ad hoc and there remains great uncertainty as to what the optimal dimensions of the...master thesis 2005
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Brugmans, J. (author)During the last decade, some major changes took place in the offshore industry. These changes were associated with new oil and gas fields which were discovered in severe environments, at depths of 1500 meter and more. Nowadays, offshore companies face challenges in the design of risers which could reliably facilitate such deep-water exploration....master thesis 2005
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van Haaren, H.D. (author)Failure of coastal protection due to flooding is mainly caused by a combination of high water level and waves. If one considers these as independent variables, the probability of failure can be calculated easily, but this would be an incorrect assumption. These two variables are de-pendent, so a method suitable for multivariate statistics is to...master thesis 2005
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de Ruijter, R. (author)Downstream of man-made hydraulic structures, bed protections made of granular material are often used to prevent erosion of the bottom. The stones in the top layer of such granular filters must be able to withstand the hydraulic forces. Probably the best-known formula that is used to determine the stability of granular bed material is the design...master thesis 2004
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van Thiel de Vries, J.S.M. (author)Hydraulic structures are needed for the development of an oil reservoir in the North Caspian Sea. Witteveen+Bos are engineering these structures and need for this reason more insight in the wave boundary conditions at the locations Kashagan East (KE) and Kashagan West (KW). These wave boundary conditions are very specific since the North Caspian...master thesis 2004
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Steenhauer, K. (author)This thesis describes a numerical study on identifying parameters controlling the shoaling rate for the normally incident low frequency motion and the long wave reflection in the coastal zone.master thesis 2003
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- Bekker, M.A. (author) master thesis 2003
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- Bekker, M.A. (author) master thesis 2003
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Cohen, A. (author)Longshore currents drive changes of coastal morphology and also embody a potential threat for swimmer safety. This explains the interest of coastal managers and scientists in costefficient techniques to quantify alongshore flow patterns. Traditional in-situ methods like Electro Magnetic (EMF) flow meters are expensive, time-consuming, dangerous...master thesis 2003
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- Van den Boomgaard, M.J.G. (author) master thesis 2003
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- De Nijs, M.A.J. (author) master thesis 2003
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Van Giffen, I.K. (author)This master thesis project focusses on the numerical modelling of bound and free long wave action in two diffrent harbours. This model, called Surf Beat, is a time dependent generic numerical model for the simulation of generation and propagation of bound long wave energy generated by short carrier waves. This model has been developed by Delft...master thesis 2003
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Van Iperen, E.J. (author)Diffraction of both regular and irregular waves by a Concrete Gravity Sub-structure (CGS) was investigated using both experimental surface elevation measurements and computational results of the linear diffraction code DELFRAC. The influence of the box-shaped base that supports the four vertical columns was studied independently from the columns...master thesis 2003
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Van Noorloos, J.C. (author)The present report describes a laboratory study on energy transfer between short wave groups and bound long waves. From previous experiments (Battjes et al. (2003) the bound wave travelling shoreward is observed to grow faster than Green's Law, indicating that the bound wave gains energy from other spectral components. Under certain conditions,...master thesis 2003
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- Zijl, F. (author) master thesis 2002
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De Boer, G.J. (author)Modelling of cohesive sediments is of paramount importance for water quality issues: cohesive sediments control the light extinction and they are the major carriers for heavy metals. The concentration of cohesive sediments in open water systems is too a large extent controlled by erosion from and deposition to the waterbed. The permanent opening...master thesis 2002
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Bakkenes, H.J. (author)When a field of short wind waves is observed, it can be seen that a slow variation in amplitude of these waves take place. Due to this amplitude variation, waves are generated with a similar time scale as this amplitude variation. These second order waves are associated in literature with the terms as surfbeat, bound waves or forced infragravity...master thesis 2002
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Van Reeuwijk, M. (author)A numerical non-hydrostatic 2DV free surface flow model has been developed. The equations are based on the Navier-Stokes equations without friction, and are solved in the co-ordinate system. In the model, the number of pressure layers can be chosen independently of the number of horizontal velocity layers. This extra degree of freedom allows, at...master thesis 2002
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- West, A. (author) master thesis 2002
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Duinmeijer, S.P.A. (author)Nowadays flooding because of a dike breach can be simulated with high accuracy by use of computer models. Delft FLS, which stands for DELFT Flooding System, developed by WL - Delft Hydraulics, is such a model. The hydrodynamic processes occurring during a flooding are complex, for example moving hydraulic jumps and propagating bores. The...master thesis 2002