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Hobeika, N. (author), Garcia Sanchez, C. (author), Bluyssen, P.M. (author)The corona pandemic accelerated a lot of studies about aerosol dispersion and different aerosol-generating tasks ranging in intensity from sneezing to breathing. Both measurements and numerical simulations were used to understand the behaviour of aerosols. For numerical simulations, Computational Fluid Dynamic (CFD) simulations were used;...conference paper 2023
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Wang, Lu (author), Robertson, Amy (author), Jonkman, Jason (author), Kim, Jang (author), Shen, Zhi‐Rong (author), Koop, Arjen (author), Chandramouli, P. (author), Viré, A.C. (author), Ramesh Reddy, L. (author)Currently, the design of floating offshore wind systems is primarily based on mid-fidelity models with empirical drag forces. The tuning of the model coefficients requires data from either experiments or high-fidelity simulations. As part of the OC6 (Offshore Code Comparison Collaboration, Continued, with Correlation, and unCertainty (OC6) is a...journal article 2022
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Lovato, S. (author), Toxopeus, S.L. (author), Settels, J.W. (author), Keetels, G.H. (author)The ship’s resistance and manoeuvrability in shallow waters can be adversely influenced by the presence of fluid mud layers on the seabed of ports and waterways. Fluid mud exhibits a complex non-Newtonian rheology that is often described using the Herschel–Bulkley model. The latter has been recently implemented in a maritime finite-volume CFD...journal article 2022
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Grottoli, M. (author), Mulder, Max (author), Happee, R. (author)The use of driving simulators for training and for development of new vehicles is widely spread in the automotive industry. In the last decade, a few motorcycle riding simulators have been developed for similar purposes, with focus on maneuvering at high speed. This article presents the subjective and objective evaluation of a motorcycle...journal article 2022
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Kniestedt, I. (author), Gómez Maureira, Marcello A. (author), Lefter, I. (author), Lukosch, Stephan (author), Brazier, F.M. (author)Validation of serious games tends to focus on evaluating their design as a whole. While this helps to assess whether a particular combination of game mechanics is successful, it provides little insight into how individual mechanics contribute or detract from a serious game's purpose or a player's game experience. This study analyses the effect...journal article 2021
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Tajdari, F. (author), Toulkani, Naeim Ebrahimi (author)Aiming at operating optimally minimizing error of tracking and designing control effort, this study presents a novel generalizable methodology of an optimal torque control for a 6-degree-of-freedom Stewart platform with rotary actuators. In the proposed approach, a linear quadratic integral regulator with the least sensitivity to controller...journal article 2021
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Groen, D. (author), Arabnejad, H. (author), Jancauskas, V. (author), Edeling, W. N. (author), Jansson, F.R. (author), Richardson, R. A. (author), Lakhlili, J. (author), Veen, L. (author), Bosak, B. (author)We present the VECMA toolkit (VECMAtk), a flexible software environment for single and multiscale simulations that introduces directly applicable and reusable procedures for verification, validation (V&V), sensitivity analysis (SA) and uncertainty quantication (UQ). It enables users to verify key aspects of their applications,...journal article 2021
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Ajanovic, Zlatan (author), Klomp, Matthijs (author), Lacevic, Bakir (author), Shyrokau, B. (author), Pretto, Paolo (author), Islam, Hassaan (author), Stettinger, Georg (author), Horn, Martin (author)Closed-loop validation of autonomous vehicles is an open problem, significantly influencing development and adoption of this technology. The main contribution of this paper is a novel approach to reproducible, scenario-based validation that decouples the problem into several sub-problems, while avoiding to brake the crucial couplings. First,...conference paper 2020
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Roungas, V. (author), Bekius, F.A. (author), Verbraeck, A. (author), Meijer, S.A. (author)Gaming simulations (games) for policy and decision making have been the neglected “sibling” of educational and training games. The latter have experienced a widespread usage by practitioners and researchers, while the former have had limited, yet slowly increasing, adoption by organisations. As a result, various issues developing and using these...journal article 2020
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- Rodrigo, Javier Sanz (author), Guillén, Fernando Borbón (author), Fernandes Correia, Pedro M. (author), García Hevia, Bibiana (author), Schlez, Wolfgang (author), Schmidt, Sascha (author), Basu, S. (author), Li, B. (author), Nielsen, Per (author) journal article 2020
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Geertsma, R.D. (author)Shipping plays a crucial role in modern society, but has to reduce its impact on the environment. The commercial availability of power electronic converters and lithium-ion batteries provides an opportunity to improve performance of ships energy systems while reducing their environmental impact. However, the degrees of freedom in control for...doctoral thesis 2019
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Breedeveld, J. (author), Zwanenburg, C. (author), Van, M. (author), Lengkeek, H.J. (author)Levees in the Netherlands have traditionally been constructed from soil. Climate change and land subsidence require heightening and/or reinforcing these existing levees. Traditional reinforcements demand additional space, which in some cases conflicts with existing buildings. Applying sheet pile walls in levees allows for strengthening while...conference paper 2019
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Roungas, V. (author), Meijer, Sebastiaan (author), Verbraeck, A. (author)Thirty years of research on validation and verification have returned a plethora of methods and statistical techniques through methodological and case studies. It is, however, this abundance of methods and techniques that poses a major challenge. Due to time and budget constraints, it is impossible to apply all the available methods and...journal article 2018
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Monteiro Fernandes, A.B. (author), Brabandt, Joerg (author), Posdziech, Oliver (author), Saadabadi, S.A. (author), Recalde Moreno Del Rocio, M.D.R. (author), Fan, L. (author), Promes, E.J.O. (author), Liu, M. (author), Woudstra, T. (author), Aravind, P.V. (author)This paper describes the steps involved in the design, construction, and testing of a gasifier-specific solid oxide fuel cell (SOFC) system. The design choices are based on reported thermodynamic simulation results for the entire gasifier- gas cleanup-SOFC system. The constructed SOFC system is tested and the measured parameters are compared...journal article 2018
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Mosselman, E. (author)Marked differences occur between modelling in scientific hydraulic research, in hydraulic engineering and in public decision making. This study reviews ifferences in the required accuracy of model results and differences in the choice between physical and numerical modelling. Physical models are used for studying elementary processes and their...other 2017
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Mosselman, E. (author)Marked differences occur between modelling in scientific hydraulic research, in hydraulic engineering and in public decision making. This study reviews ifferences in the required accuracy of model results and differences in the choice between physical and numerical modelling. Physical models are used for studying elementary processes and their...abstract 2017
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Roungas, V. (author), Meijer, S.A. (author), Verbraeck, A. (author)Thirty years of research on validation and verification (V\&V) has returned a plethora of methods, statistical techniques, and reported case studies. It is that abundance of methods that poses a major challenge. Because of overlap between methods and time and budget constraints, it is impossible to apply all the available methods in a single...conference paper 2017
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Campanella, M.C. (author)How to model and simulate large pedestrian facilities accurately? This dissertation answers this question by analysing current pedestrian models and expanding one. The developed model (Nomad) describes pedestrians as individuals that minimise walking efforts. The model is expanded including behaviours that correspond to activities performed in...doctoral thesis 2016
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Vermaas, P.E. (author)This paper gives a general and logical analysis of the expert position in design research bywhich methods for innovative design can be derived from expert design practices. It firstgives a framework for characterising accounts of design by the way in which they defineand relate general, descriptive and prescribed types of design practices....journal article 2016
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Ferreira, D. (author), Kikstra, W.P. (author)Fiber models for beam and shell elements allow for relatively rapid finite element analysis of concrete structures and structural elements. This project aims at the development of the formulation of such elements and a pilot implementation. The reduction of calculation time and degrees of freedom and the few required input variables are...report 2015