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Gijón Mancheño, A. (author), Jansen, W. (author), Uijttewaal, W.S.J. (author), Reniers, A.J.H.M. (author), van Rooijen, A. A. (author), Suzuki, T. (author), Etminan, V. (author), Winterwerp, J.C. (author)Mangrove vegetation constitutes a natural coastal defence against waves and erosion. Despite their protective role, mangrove ecosystems have experienced continuous degradation over the last decades due to human causes. At retreating mangrove coastlines, bamboo structures are built to create new habitat for mangrove colonization. Existing...journal article 2021
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Zou, P. (author), Bricker, J.D. (author), Uijttewaal, W.S.J. (author)The interaction between an oceanic internal solitary wave (ISW) and a prototype submerged floating tunnel (SFT) is numerically investigated. Effect of oceanic internal solitary wave amplitude, the relative distance of the SFT to the pycnocline, cross-sectional geometry of the SFT, and the density ratio of the two fluid layers are analyzed. At...journal article 2021
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Zou, P. (author), Bricker, J.D. (author), Uijttewaal, W.S.J. (author)Concepts of a submerged floating tunnel (SFT) for novel sea-crossings have been researched in recent years. An SFT tube should be moored afloat by tensioned mooring systems to maintain the tube position under complex hydrodynamic loads. In-line force is amongst the dominant hydrodynamic parameters in the SFT cross-section design and the...journal article 2021
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- van Os, Annemarie (author), Lokin, Lieke (author), Mosselman, E. (author), Uijttewaal, W.S.J. (author), Labeur, R.J. (author), Osorio, Ana Luisa (author) abstract 2020
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- Duro, G. (author), Crosato, A. (author), Kleinhans, Maarten G. (author), Uijttewaal, W.S.J. (author) abstract 2020
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Truong, S.H. (author), Li, Un (author), Uijttewaal, W.S.J. (author)Transverse exchange processes of mass and momentum in floodplain regions of channels are of primary importance regarding the sediment transport and riverbank stability. The presence of large horizontal coherent structures (LHCSs) at the interface of the floodplain and main channel regions may contribute up to 90% the amount of transverse...conference paper 2020
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Duró, G. (author), Crosato, A. (author), Uijttewaal, W.S.J. (author)After the European Water Framework Directive, riverbanks in several countries had the protections removed to improve the water quality and the river ecosystem. Particularly, the Meuse River currently has several kilometres of freely eroding banks, which may have consequences for other river functions such as navigation and flood conveyance. The...conference paper 2020
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Alhaddad, S.M.S. (author), de Wit, Lynyrd (author), Labeur, R.J. (author), Uijttewaal, W.S.J. (author)Breaching flow slides result in a turbidity current running over and directly interacting with the eroding, submarine slope surface, thereby promoting further sediment erosion. The investigation and understanding of this current are crucial, as it is the main parameter influencing the failure evolution and fate of sediment during the breaching...journal article 2020
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Alhaddad, S.M.S. (author), Labeur, R.J. (author), Uijttewaal, W.S.J. (author)Breaching flow slides are accompanied by the generation of turbidity currents. Measurements of these currents are critical for understanding the interaction between the turbidity current and the slope surface, as well as for the validation of numerical models. However, there are insufficient data available detailing the velocity distribution or...journal article 2020
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van Os, W.J. (author), Uijttewaal, W.S.J. (author), Labeur, R.J. (author), Osório, A.L.N.A. (author), Mosselman, E. (author), Lokin, L.R. (author)Groynes have been replaced by longitudinal training walls in an 11-km long pilot project to optimize training of the river Waal in the Netherlands. These train ing walls improve navigability, reduce flood levels, create a sheltered second channel with more favourable ecological conditions, and decrease the erosive action on the river bed that...conference paper 2020
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Honingh, D.F. (author), van Emmerik, Tim (author), Uijttewaal, W.S.J. (author), Kardhana, Hadi (author), Hoes, O.A.C. (author), van de Giesen, N.C. (author)Plastic debris in water systems is a major challenge for our ecosystem, because it is extremely persistent in the environment. Apart from the importance of reducing the amount of plastic entering the ocean, clearing the rivers from debris is important for societal concerns, such as flood risks. Plastic waste accumulation at trash racks leads...journal article 2020
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Verbeek, Merel C. (author), Labeur, R.J. (author), Uijttewaal, W.S.J. (author)Coastal infrastructure, such as bridges and storm surge barriers with weirs, provides an attractive location for harvesting renewable energy using tidal turbines. Often stone layers are applied downstream of coastal infrastructure to protect the sea bed from erosion. However, little is known about the potential effect of tidal energy...journal article 2020
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Verbeek, Merel C. (author), Labeur, R.J. (author), Uijttewaal, W.S.J. (author)An economical way to harvest tidal energy is by integrating free stream turbines in coastal infrastructure. While numerous studies have investigated how turbines should be arranged in idealized geometries to optimize their performance, only a few have considered the influence of realistic bed features. This research investigates the influence...journal article 2020
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Duro, G. (author), Crosato, A. (author), Kleinhans, M. G. (author), Roelvink, D. (author), Uijttewaal, W.S.J. (author)Vessel-induced waves affect the morphology and ecology of banks and shorelines around the world. In rivers used as waterways, ship passages contribute to the erosion of unprotected banks, but their short- and long-term impacts remain unclear. This work investigates the effects of navigation on bank erosion along a reach of the regulated Meuse...journal article 2020
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Zou, P. (author), Bricker, J.D. (author), Uijttewaal, W.S.J. (author)The cross-section geometry of a submerged floating tunnel (SFT) has a large effect on hydrodynamic characteristics, structural behavior and service level, making the tunnel cross section the primary factor in optimizing efficiency. Minimizing the mean drag and the dynamic variability in the lift of the SFT cross section under bi-directional ...journal article 2020
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Alhaddad, S.M.S. (author), Labeur, R.J. (author), Uijttewaal, W.S.J. (author)This paper starts with surveying the state-of-the-art knowledge of breaching flow slides, with an emphasis on the relevant fluid mechanics. The governing physical processes of breaching flow slides are explained. The paper highlights the important roles of the associated turbidity current and the frequent surficial slides in increasing the...journal article 2020
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Zou, P. (author), Bricker, J.D. (author), Uijttewaal, W.S.J. (author)A submerged floating tunnel’s (SFT) cross-sectional geometry is one of the main factors influencing its hydrodynamic characteristics. Minimizing the drag and lift is important for reducing the displacement of the structure and load on the mooring system. In this study, a parametric cross-section design method based on the Bézier curve is used...conference paper 2020
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Zou, P. (author), Bricker, J.D. (author), Uijttewaal, W.S.J. (author)A submerged floating tunnel (SFT) is a promising alternative to conventional bridges and tunnels, and can be potentially built in the Qiongzhou Strait in China. However, this area is under the threat of disasters including mega tsunamis and severe storm surges. To evaluate the hydrodynamic loads of the SFT in this hazardous zone subject to...journal article 2020
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van Rooijen, Erik (author), Mosselman, E. (author), Sloff, C.J. (author), Uijttewaal, W.S.J. (author)Remarkable 3D flow structures occur at river confluences with small density differences due to differences in sediment concentration or temperature. We explain these by comparing numerical simulations for an idealized confluence with aerial photographs of several river confluences where color differences express the pattern of density...journal article 2020
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Truong Hong, S. (author), Phan, K.L. (author), Stive, M.J.F. (author), Uijttewaal, W.S.J. (author)The significant defensive role of vegetation in general and mangroves in particular for coastal and estuarine regions has been increasingly recognized. However, understanding the shallow flow field in and around the region of vegetation is still limited. In order to gain more insight, a laboratory experiment of a vegetated compound channel...book chapter 2020