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- Veentjer, M. (author), Willems, M (author) book 2001
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Jonkman, S.N. (author), Mooyaart, L.F. (author), Van Ledden, M. (author), Stoeten, K.J. (author), De Vries, P.A.L. (author), Lendering, K.T. (author), Van der Toorn, A. (author), Willems, A. (author)The Houston - Galveston area is at significant risk from hurricane induced storm surges. This paper summarizes ongoing studies on flood risk reduction for the region. Firstly, based on a simplified probabilistic hurricane surge model , the return periods of surges within the bay have been estimated. This model framework can be used to assess the...conference paper 2014
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Ten Veldhuis, J.A.E. (author), Ochoa-Rodriguez, S. (author), Bruni, G. (author), Gires, A. (author), Van Assel, J. (author), Wang, L. (author), Reinoso Rodinel, R. (author), Kroll, S. (author), Schertzer, D. (author), Onof, C. (author), Willems, P. (author)This study investigates the impact of rainfall estimates of different spatial resolutions on the hydraulic outputs of the models of four of the EU RainGain project’s pilot locations (the Cranbrook catchment (UK), the Herent catchment (Belgium), the Morée-Sausset catchment (France) and the Kralingen District (The Netherlands)). Two storm events,...conference paper 2014
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Ten Veldhuis, J.A.E. (author), Ochoa-Rodriguez, S. (author), Bruni, G. (author), Gires, A. (author), Van Assel, J. (author), Ichaba, A. (author), Kroll, S. (author), Wang, L.P. (author), Tchiguirinskaia, I. (author), Giangola Murzyn, A. (author), Richard, J. (author), Schertzer, D. (author), Willems, P. (author)Precipitation and catchment information needs to be available at high resolution to reliably predict hydrological response and potential flooding in urban catchments. While recent advances have been made in weather radar technology and availability of DTM for urban flood modelling, the question is whether these are sufficient to provide reliable...conference paper 2014
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Ten Veldhuis, J.A.E. (author), Ochoa-Rodriguez, S. (author), Gires, A. (author), van Assel, J. (author), Ichiba, A. (author), Kroll, S. (author), Wang, L. (author), Tchiguirinskaia, I. (author), Schertzer, D. (author), Willems, P. (author)Cities are particularly vulnerable to rainfall-generated floods that are typically characterised by their rapid onset and localised nature. This implies that precipitation and catchment information need to be available at high resolution to reliably predict hydrological response and potential flooding. On the contrary, urban areas constitute a...conference paper 2015
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Ten Veldhuis, J.A.E. (author), Ochoa-Rodriguez, S. (author), Gires, A. (author), Van Assel, J. (author), Ichiba, A. (author), Kroll, S. (author), Wang, L. (author), Tchiguirinskaia, I. (author), Schertzer, D. (author), Willems, P. (author)In this study high resolution precipitation data are used, derived from polarimetric X-band radar at 100 m, 1 min resolution. The data are used to study the impact of different space-time resolutions of rainfall input on urban hydrodynamic modelling response for 9 storms, in 7 urban catchments. The results show that hydrodynamic response...conference paper 2015
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van der Spek, S.C. (author), Verbree, E. (author), Quak, C.W. (author), Groeneveld, IJ.D.G. (author), Sulzer, R. (author), Theocharous, E. (author), Tryfona, M.S. (author), Willems, O.T. (author), Xu, Y. (author)The distribution of people in buildings, the occupancy of lecture-, work- and study places and the accessibility of facilities are essential information at university campuses who have to cope with limited and even shrinking budgets and huge, rising real estate costs. Only little insight is gained in both occupancy and movement patterns with...conference paper 2016
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Willems, Thijs (author), Kuitert, L. (author), van Marrewijk, Alfons (author), Volker, L. (author), Hermans, M.H. (author)Successfully sharing knowledge through interactions between projects and the organization is, especially in a situation of changing work processes, an important capability for organizations to learn. The aim of this study is to gain insights into the process of project-based learning, specifically by studying how project-based learning relates...conference paper 2018
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Kuitert, L. (author), Willems, Thijs (author), Volker, L. (author), Hermans, M.H. (author), van Marrewijk, Alfons (author)In complex product system industries such as construction, innovation and explorative intra-project learning are critical aspects for developing and delivering complex and customized products. Some research has, however, demonstrated that it is difficult to utilize learning from development projects in the permanent organisation. Hence, the...conference paper 2018
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Willems, C.J.L. (author), Goense, T. (author), Nick, H.M. (author), Bruhn, D.F. (author)This paper analyzes the relation between well spacing and Net Present Value of a Hot Sedimentary Aquifer geothermal doublet. First, a sensitivity analysis is carried out to evaluate the effect of uncertainty of geological and production parameters on the Net present Value. Second a finite-element approach is utilized to study the effect of...conference paper 2016
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Willems, C.J.L. (author), Nick, H.M. (author), Weltje, G.J. (author), Donselaar, M.E. (author), Bruhn, D.F. (author)Fluvial sandstone reservoirs composed of stacked meander belts are considered as potential geothermal resources in the Netherlands. Net-to-gross, orientation and stacking pattern of the channel belts is of major importance for the connectivity between the injection and production well in such reservoirs. Understanding the influence of the...conference paper 2015
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Milaković, Aleksandar-Saša (author), Braun, Moritz (author), Willems, Tom (author), Hendrikse, H. (author), Fischer, Claas (author), Ehlers, Sören (author)Due to increasing trend of building offshore wind turbines (OWTs) in seas at high latitudes where seasonal sea ice occurs, novel methods for design of such structures are needed. Specifically, the effect of ice-induced vibrations (IIVs) on fatigue life of the structures is currently poorly understood. Therefore, the goal of this paper is to...conference paper 2019
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Streicher, Maximilian (author), Kortenhaus, Andreas (author), Altomare, Corrado (author), Gruwez, Vincent (author), Hofland, Bas (author), Chen, X. (author), Marinov, Krasimir (author), Scheres, Babette (author), Schüttrumpf, Holger (author), Hirt, Matthias (author), Cappietti, Lorenzo (author), Esposito, Andrea (author), Saponieri, Alessandra (author), Valentini, Nico (author), Tripepi, Giuseppe (author), Pasqualini, D.G.J. (author), Di Risio, Marcello (author), Aristodemo, Francesco (author), Damiani, Leonardo (author), Willems, Marc (author), Vanneste, Dieter (author), Suzuki, T. (author), Klein Breteler, Mark (author), Kaste, Dorothea (author)Overtopping wave loads on vertical structures on top of a dike have been investigated in several small scale experiments in the past. A large-scale validation for a mild foreshore situation is still missing. Hence the WALOWA experimental campaign was carried out to address this topic. In the present paper the objectives of the WALOWA project are...conference paper 2017
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Jacobs, Ben (author), Villa, Amalia (author), Moeyersons, Jonathan (author), Van Huffel, Sabine (author), Willems, Rik (author), Varon, Carolina (author)Tetralogy of Fallot (ToF) is a congenital structural heart disease. While early diagnosis and corrective surgery allow most patients to live normal lives, some patients slowly deteriorate. The current inability to quantify the deterioration and predict these events prompts a data driven approach. Laplacian Eigenmaps (LEs) are a dimensionality...conference paper 2020
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Moeyersons, Jonathan (author), De Bosscher, Ruben (author), Dausin, Christophe (author), Claessen, Guido (author), La Gerche, Andre (author), Bogaert, Jan (author), Willems, Rik (author), Van Huffel, Sabine (author), Varon, Carolina (author)The gold standard for the assessment of cardiac mass is cardiac magnetic resonance imaging (CMR). However, it is costly and requires specific expertise. Electrocardiographic (ECG) criteria could provide a low-cost solution, but have shown to be poorly correlated with LVM in athletes. We hypothesize that this poor correlation could be overcome...conference paper 2020
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Villa, Amalia (author), Ingelaere, Sebastian (author), Van Huffel, Sabine (author), Willems, Rik (author), Varon, Carolina (author)Electrical storm (ES) in ICD patients, defined as 3 or more appropriate ICD interventions within a time span of 24 hours, is a medical emergency associated with adverse outcome. However, it is debated if ES is only a marker of progressive near end-stage cardiac disease or an ar-rhythmogenic entity on its own. Better understanding and...conference paper 2020
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- Willems, C.J.L. (author), Donselaar, M.E. (author), Weltje, G.J. (author) conference paper 2014
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Lampel, Franz (author), Uysal, Faruk (author), Tigrek, Firat (author), Orru, Simone (author), Alvarado, Alex (author), Willems, Frans (author), Yarovoy, Alexander (author)This paper describes an FMCW based radar and communication (RadCom) system and addresses the challenges in the synchronization of multiple units for communication functionality. We proposed a novel technique to detect the FMCW RadCom signal at the communication receiver and derive the detection and false alarm probabilities of it. Moreover,...conference paper 2020
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Braun, Moritz (author), Dörner, Alfons (author), Willems, Tom (author), Seidel, Marc (author), Hendrikse, H. (author), Høyland, Knut V. (author), Fischer, Claas (author), Ehlers, Sören (author)Fixed offshore wind turbines are increasingly developed for high latitude areas where not only wind and wave loads need to be considered, but also moving sea ice. Current structural design rules do not adequately consider the effect of ice loading on fatigue life, due to missing studies on fatigue strength of welded joints under combined wind,...conference paper 2022
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Hendrikse, H. (author), Hammer, T.C. (author), Owen, C.C. (author), van den Berg, M.A. (author), van Beek, C. (author), Polojärvi, Arttu (author), Puolakka, Otto (author), Willems, Tom (author)With the recent surge in development of offshore wind in the Baltic Sea, Bohai Sea and other ice-prone regions, a need has arisen for new basin tests to qualify the interaction between offshore wind turbines and sea ice. To this end, a series of model tests was performed at the Aalto ice basin as part of the SHIVER project. The tests were aimed...conference paper 2022