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document
Jaskiewicz, T.J. (author), Mulder, I.J. (author), Verburg, Samuel (author), Verheij, Bob (author)
The “Maker Movement” signifies emergence of a cultural model of a society where anyone can become a creative maker. As part of this movement, various kinds of “Makerspaces” provide physical and social infrastructures that help unleash people’s intrinsic abilities to make, create, and innovate. In this way, makerspaces become loci where maker...
conference paper 2018
document
Barnhoorn, A. (author), Verheij, Jeroen (author), Frehner, Marcel (author), Zhubayev, A. (author), Houben, Maartje (author)
The transition from recoverable elastic to permanent inelastic deformation is marked by the onset of fracturing in the brittle field. Detection of this transition in materials is crucial to predict imminent failure/fracturing. We have
used an ultrasonic pulse transmission method to record the change in waveform across this transition during...
journal article 2018
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Vossen, David M. (author), Verhagen, Caroline V.M. (author), Grénman, Reidar (author), Kluin, Roelof J.C. (author), Verheij, Marcel (author), van den Brekel, Michiel W.M. (author), Wessels, L.F.A. (author), Vens, Conchita (author)
Background Large cancer genome studies continue to reveal new players in treatment response and tumorigenesis. The discrimination of functional alterations from the abundance of passenger genetic alterations still poses challenges and determines DNA sequence variant selection procedures. Here we evaluate variant selection strategies that...
journal article 2018
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van Dorsser, J.C.M. (author), Verheij, H.J. (author)
This report, that serves as an advice report to PIANC InCom WG 179, addresses the optimal dimensions for inland waterway infrastructures as required for the efficient transport of continental pallet wide high cube 45 foot containers.
report 2016
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Quist, P. (author), Verheij, H.J. (author)
De trendrapportage geeft een overzicht van de stand van zaken en recente ontwikkelingen op het gebied van de scheepvaart en de binnenvaarwegen in Nederland. De bedoeling is dat met behulp van de trendrapportage kansen inzichtelijk worden en het mogelijk wordt om in te spelen op de gesignaleerde ontwikkelingen.
report 2015
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Quist, P. (author), Verheij, H.J. (author)
De trendrapportage geeft een overzicht van de stand van zaken en recente ontwikkelingen op het gebied van de scheepvaart en de binnenvaarwegen in Nederland. De bedoeling is dat met behulp van de trendrapportage kansen inzichtelijk worden en het mogelijk wordt om in te spelen op de gesignaleerde ontwikkelingen.
report 2015
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Quist, P. (author), Verheij, H.J. (author)
De trendrapportage geeft een overzicht van de stand van zaken en recente ontwikkelingen op het gebied van de scheepvaart en de binnenvaarwegen in Nederland. De bedoeling is dat met behulp van de trendrapportage kansen inzichtelijk worden en het mogelijk wordt om in te spelen op de gesignaleerde ontwikkelingen.
report 2015
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Van de Sande, S.A.H. (author), Uijttewaal, W.S.J. (author), Verheij, H.J. (author)
Granular filters are used for protection against scour and erosion of base material. For a proper functioning it is necessary that at the interfaces between the filter structure, the subsoil and the water flowing above the filter structure no material will be transported. Different types of granular filters can be distinguished, this paper...
conference paper 2014
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De Weerd, H. (author), Verbrugge, R. (author), Verheij, B. (author)
conference paper 2013
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Zhou, M. (author), Roelvink, J.A. (author), Verheij, H.J. (author), Ligteringen, H. (author)
When a ship sails with a certain speed, there is always a return current along and under the ship. The return current induces a water level depression around the ship. When the ship travels along a bank, the flow field around the ship is asymmetrical. Additional bank effects will be induced. A reliable estimation of all these effects and the...
conference paper 2013
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Van der Meer, J.W. (author), Van Hovern, A. (author), Paulissen, M. (author), Steendam, G.J. (author), Verheij, H.J. (author), Hoffmans, G. (author), Kruse, G. (author)
Dit rapport is voortgekomen uit de resultaten van een vier jaar durend destructief onderzoek naar de erosiebestendigheid van binnentaluds onder golfoverslagbelasting. Dit onderzoek is onder andere uitgevoerd met de golfoverslagsimulator. In het onderzoek is kennis ontwikkeld over de wijze waarop golfoverslag de grasbekleding van een binnentalud...
report 2012
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Verheij, H.J. (author), Hoffmans, G. (author), Dorst, K. (author), Van de Sande, S. (author)
Granular filters are used for protection of structures against scour and erosion. For a proper functioning it is necessary that the interfaces between the filter structure, the subsoil and the water flowing above the filter structure are stable. Stability means that there is no transport of subsoil material through the filter to the water above...
conference paper 2012
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Verheij, H.J. (author), Hoffmans, G. (author), Hardeman, B. (author), Paulissen, M. (author)
Destructive wave overtopping tests have been performed at more than 20 dike sections in the Netherlands using the Wave Overtopping Simulator to simulate the overtopping waves. The tests show the combined behaviour of turf and substrate up to mean wave overtopping discharges of 75 ?/s per m, meaning wave volumes up to 5,500 ?/m with flow...
conference paper 2012
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De Sonneville, B. (author), Van Velzen, G. (author), Verheij, H.J. (author), Dorst, K. (author)
Traditional guidelines on rock protection at circular piers predominantly focus on preventing shear failure (by choosing a sufficiently large rock size), winnowing failure (by designing an appropriate filter) and edge failure (by selecting a sufficient extent). In particular areas (e.g. in an eroding river channel or in an area with large-scale...
conference paper 2012
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Steendam, G.J. (author), Hoffmans, G. (author), Bakker, J. (author), Van der Meer, J.W. (author), Frissel, J. (author), Paulissen, M. (author), Verheij, H.J. (author)
Overview of overtopping with focus on river dikes. Realtin with sod density.
report 2012
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Hoffmans, G. (author), Verheij, H.J. (author)
This paper discusses scour without bed protection, such as propeller scour, two-dimensional horizontal, three-dimensional horizontal scour generated by free jets downstream of gates and outlets, two-dimensional vertical and three-dimensional vertical scour. The flow velocities in two- and three-dimensional propeller and free jets are briefly...
journal article 2011
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Quist, P. (author), De Jong, M. (author), Verheij, H.J. (author)
De doelstelling van deze trendrapportage is het geven van een overzicht van de stand van zaken en de meest recente ontwikkelingen op het gebied van de scheepvaart en de binnenvaarwegen in Nederland. De bedoeling is dat met behulp van de trendrapportage kansen inzichtelijk worden en het mogelijk wordt om in te spelen op de gesignaleerde...
report 2011
document
Van der Meer, J.W. (author), Hardeman, B. (author), Steendam, G.J. (author), Schüttrumpf, H. (author), Verheij, H.J. (author)
Wave overtopping discharges at coastal structures are well described in the EurOtop Manual (2007), including the distribution of overtopping wave volumes. Each volume that overtops a dike or levee will have a certain flow velocity and depth record in time, often given by the maximum velocity and flow depth. This paper describes some further...
conference paper 2011
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Klein Breteler, M. (author), 't Hart, R. (author), Verheij, H.J. (author), Knoeff, H. (author)
Het onderzoeksprogramma Sterkte en Belastingen Waterkeringen (SBW) heeft als doel het invullen van de belangrijkste kennisleemtes voor een scherper beeld van de veiligheid van primaire waterkeringen tegen overstromingen. Een van de projecten is SBW-Reststerkte. De reststerkte is het waterkerend vermogen dat overblijft na initiële schade aan een...
report 2010
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Verheij, H. (Henk.Verheij@deltares.nl) (author)
Conventional ship propulsion systems and hydro jets differ in many ways. However, they are both responsible for sailing and manoeuvring of ships in a forward or reverse direction. The hydrodynamic jet is what they have in common, but the characteristics of the jets differ. For example, the outflow velocity of hydro jets is much higher than the...
conference paper 2010
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