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Krempus, D. (author), Beltrame, F. (author), Majer, M. (author), Colonna, Piero (author), de Servi, C.M. (author), Vos, Roelof (author)This paper presents a preliminary study about a combined-cycle engine based on a turboshaft engine and an organic-Rankine-cycle (ORC) bottoming unit to be used onboard an aircraft with a turboelectric propulsion system. The aim is to analyse whether benefits with respect to mission fuel consumption can be derived by employing such a combined...report 2024
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van der Heijden, M. (author)In the next decades, Rijkswaterstaat will renovate many existing immersed tunnels so they can meet their intended lifespan in a good condition. Ongoing settlements could be a threat to the tunnel structural performance, as deformation may cause structural damage. Currently, immersed tunnels are subjected to greater and more uneven settlements...report 2023
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Korff, M. (author), Hemel, M. (author), Esposito, R. (author)In dit rapport is via een forensic engineering aanpak een eerste analyse gegeven (rapid assessment, RA) van het bezwijken van de Grimburgwal (GBW) op 1 september 2020. Het doel van het onderzoek is om te achterhalen welke lessen zijn te leren van het bezwijken van de Grimburgwal voor de overige kades in Amsterdam. De volgende onderzoeksvragen...report 2021
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Loonstijn, M.A. (author)The Diesel A model has been developed with the idea of looking at overall engine cycle performance in a larger system. As such, the goal has always been to provide an acceptable prediction of the engine performance without sacrificing the computational performance of the model. The simplest form of the Diesel A model has only a single integrator...report 2017
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Loeve, A.J. (author)In 2015, a multi-resistant Klebsiella pneumonia bacteria (“MR Klebsiella”) was found in two Olympus video duodenoscopes of the type TJF-Q180V in the Utrecht University Medical Center (“UMC Utrecht”) after the culturing of flush samples (sterile physiological saline), which were sent through the suction and biopsy channels. This report describes...report 2017
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Vergu, V. (author), Neron, P. (author), Visser, E. (author)The formal definition the semantics of a programming language and its implementation are typically separately defined, with the risk of divergence such that properties of the formal semantics are not properties of the implementation. In this paper, we present DynSem, a domain-specific language for the specification of the dynamic semantics of...report 2015
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Voelter, M. (author), Van Deursen, A. (author), Kolb, B. (author), Eberle, S. (author)We report on an industrial case study on developing the embedded software for a smart meter using the C programming language and domain-specific extensions of C such as components, physical units, state machines, registers and interrupts. We find that the extensions help significantly with managing the complexity of the software. They improve...report 2015
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Voorendt, M.Z. (author)This report intends to stimulate the discussion about enhancing and tuning the application of the traditional method for engineering design projects for educational purposes at Delft University of Technology - and possibly for the engineering practice as well. It aims at creating awareness of putting the design activities in a logical order and...report 2015
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Stoop, B. (author), Bouziotas, D. (author), Hanssen, J.L.J. (author), Dunnewolt, J. (author), Postma, M.G. (author)The province of Ca Mau is the southernmost part of Vietnam and the Mekong Delta. The water system of Ca Mau faces multiple challenges, both in its coastal zone and in its inland regions. the coastal zone in the province. In view of this, this study presents an integrated approach for combined coastal and inland water management in Ca Mau, under...report 2015
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Romano, D. (author), Raemaekers, S. (author), Pinzger, M. (author)Recent studies have shown that the violation of the Interface Segregation Principle (ISP) is critical for maintaining and evolving software systems. Fat interfaces (i.e., interfaces violating the ISP) change more frequently and degrade the quality of the components coupled to them. According to the ISP the interfaces’ design should force no...report 2014
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Romano, D. (author), Pinzger, M. (author)Version: Accepted for publication in the Proceedings of the International Conference on Software Maintenance (ICSM), 2013, IEEE Computer Society. Doi: http://dx.doi.org/10.1109/ICSM.2013.49 Q&A sites have become popular to share and look for valuable knowledge. Users can easily and quickly access high quality answers to common questions. The...report 2013
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Romano, D. (author), Raila, P. (author), Pinzger, M. (author), Khomh, F. (author)Preprint of paper published in: WCRE 2012 - Proceedings of the 19th Working Conference on Reverse Engineering, 15-18 October 2012; doi:10.1109/WCRE.2012.53 Antipatterns are poor solutions to design and implementation problems which are claimed to make object oriented systems hard to maintain. Our recent studies showed that classes with...report 2012
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Nijhuis, S. (author), Jauslin, D. (author), De Vries, C. (author)Flowscapes explores infrastructure as a type of landscape and landscape as a type of infrastructure, and is focused on landscape architectonic design of transportation-, green- and water infrastructures. These landscape infrastructures are considered armatures for urban and rural development. With movement and flows at the core, these landscape...report 2012
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Moeyersons, J. (author), Trefois, P. (author)Occasional flows of the river Nyabage cause floods in the river valley, flooding bridges and buildings, amongst others a small hospital of MsF. The flow is a mixture of water and debris and causes severe damage. The report describes the phenomena and the damage in the area. Some proposals for improvements are givenreport 2012
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Dullemond, K. (author), Van Gameren, B. (author), Van Solingen, R. (author)Software engineering is by nature a highly collaborative activity. However, collaborating effectively in Global Software Engineering, in which team members are geographically, temporally and/or socio-culturally separated from each other, is more difficult. In a traditional co-located setting, one of the most important communication patterns is a...report 2011
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Kats, L.C.L. (author), Vermaas, R. (author), Visser, E. (author)The reliability of compilers, interpreters, and development environments for programming languages is essential for effective software development and maintenance. They are often tested only as an afterthought. Languages with a smaller scope, such as domain-specific languages, often remain untested. General-purpose testing techniques and test...report 2011
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Nasr, K.A. (author), Gross, H.G. (author), Van Deursen, A. (author)In this paper, we present two descriptive case studies covering the re-engineering and further evolution of adopting service oriented architecture (SOA) in industry. The first case was carried out for a company in the transport sector with an application portfolio of over 700 systems. The second case study was conducted for an organization in...report 2011
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Dijkgraaf, R. (author)Op verzoek van de drie technische universiteiten in Nederland heeft de KNAW geadviseerd over de wijze waarop zij de kwaliteit van ontwerpende en construerende disciplines adequaat kunnen beoordelen. Het rapport pleit voor differentiatie in de manier van beoordelen van verschillende vakgebieden. Het advies schetst een systeem met twee...report 2010
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Van den Ham, G. (author), Vastenburg, E. (author)Het IJsselmeergebied, waaronder behalve het IJsselmeer ook het Markermeer, IJmeer en de randmeren worden gerekend, heeft thans te lijden onder een achteruitgang van natuur- en landschapskwaliteit en een voordturende hoge ruimtelijke druk. Door alle belanghebbenden en betrokken is erkend dat deze problemen opgelost moeten worden en dat daarvoor...report 2010
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Krieger, R.A. (author), Hoogstraten, M. (author), Hogeweg, M. (author)Forensische reconstructie van een ongeval met twee voertuigen ter bepaling van de meest waarschijnlijke toedracht. Omvat een vermijdbaarheidsanalyse voor meerdere scenarios naar aanleiding van verklaringen door betrokkenen. Analyse gebaseerd op reconstructietechnieken als zichtlijnen, voertuigtrajecten en -snelheden gedurende de seconden...report 2010