Searched for: subject:"model"
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Tatomir, Niko (author)
Aeroelastic stability must be maintained for the entire flight duration. Of the vast phenomena that fall under the field of aeroelasticity, flutter is the most studied and influential in terms of driving aircraft design. As such, it is the main topic of analysis of this Master Thesis. For flutter analysis, it is of critical importance to...
master thesis 2019
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Jessurun, Timothy (author)
It is well known that for tall cylindrical structures under wind action, such as wind turbine towers, vortex induced vibrations (VIV) may occur. During the installation of offshore wind turbine towers there are different stages of transport where we might deal with VIV. The main objective of this thesis is to explore the possibility of modeling...
master thesis 2019
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Koks, Iris (author)
In today's digital world, customers give their opinions on a product that they have purchased online in the form of reviews. The industry is interested in these reviews, and wants to know about which topics their clients write, such that the producers can improve products on specific aspects. Topic models can extract the main topics from large...
master thesis 2019
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Lucassen, Koen (author)
An analysis of attitude controller concepts, including four attitude flight controllers, for the re-entry of the HORUS-2b. The four concerning attitude flight controller concepts are the benchmark Linear Quadratic Regulator (LQR), Model predictive Controller, Incremental Non-linear Dynamic Inversion (INDI) and Sliding Mode Controller. Each...
master thesis 2019
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Zhang, Ziyi (author)
The graduation project is about personalizing the multimedia guide (abbreviated as MMT) of the Van Gogh Museum. The personalization goal is to facilitate future visitors to engage with the collection and maximize the meaning of visiting the museum based on visitors’ diverse concerns. A model is brought up during the project and can describe four...
master thesis 2019
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Kalff, Helianne (author)
Defects that occur on train sets have to be repaired in a repair location and this has consequences on the transportation network. This paper proposes a decision support model that is developed for optimising the decisions of when and where to repair that defect train set. In practice, there is no clear overview of the effects of such decisions...
master thesis 2019
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Liao, Eliz (author)
Gas extraction has caused increased seismic activity in the area of Groningen, bringing about considerable damage to houses. The houses are generally old masonry houses with flexible timber diaphragms. It is of importance to assess the response of these houses in order to apply proper retrofit measures. There has been substantial research on...
master thesis 2019
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van der Does de Willebois, Jeroen (author)
The canals of Amsterdam represent a draw for tourists and add to the value of real estate along the canals. More than 40 percent of Amsterdam tourists take a trip through the canals, accounting for more than 3 million canal travelers annually. Therefore, the tour boat sector is crucial for tourism in Amsterdam.
Many of the quay walls on...
master thesis 2019
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Rikeros Orozco, Daniel (author)
There are several methods to perform fatigue assessment as described by the Eurocode 3 and the International Institute of Welding (IIW). The codes establish the relation between stress ranges and their respective number of cycles until failure of the detail. This method is called S-N curves, however this is based mainly on nominal stresses. A...
master thesis 2019
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De Meester, Hadewich (author)
Research to analyse and/or develop novel materials and techniques is necessary to address competition and safeguard craftmanship in shipbuilding. In this master thesis, two new approaches to reduce the production and maintenance costs are studied: {metal foam core, metal face sheet} sandwich materials and corner adstir fillet stationary shoulder...
master thesis 2019
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Moraal, Rainier (author)
Currently wind turbines are a popular source of renewable energy. Royal HaskoningDHV designs foundations for these turbines. Design optimization of these foundations becomes more and more important due to the growing demand for renewable energy, the development of increasingly large wind turbines and intensification of competition. Design...
master thesis 2019
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Radityo Andjaringrat Adhi, Theo (author)
Maturity model is widely known as an assessment tool to understand an organization management capabilities and identifying potential improvement. The model demonstrates informative results towards the organization management maturity but hard to acknowledge the influence of potential improvement towards the organization’s asset performance....
master thesis 2019
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Mangat, Naunidh (author)
Wind energy has emerged as a promising alternative to fossil fuel energy sources over the last two decades partly due to considerable reductions in the cost of power production. A common trend towards cost reduction has been to build larger and lighter wind turbines. These produce more power per unit and use less material. Another strategy for...
master thesis 2019
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Meijering, Jasper (author)
In an emergency, humanitarian organisations share information to prevent redundant data collection and avoid gaps and overlap in the relief activities that they undertake. An analysis of hygiene kit distribution in the Bangladesh-Myanmar displacement crisis and consultation of both literature and humanitarian professionals led to the...
master thesis 2019
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Li, Ang (author)
Structural optimization for crashworthiness in composite structures has become an important topic of research in aerospace, attributable to its proven benefits to the occupants' safety in an aircraft during a crash event. This thesis provides a comprehensive investigation on LS-DYNA modeling and design optimization of composite square tubes for...
master thesis 2019
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van Korlaar, Arent (author)
Turbulence closure models will continue to be necessary in order to perform computationally affordable simulations in the foreseeable future. It is expected that Reynolds-averaged Navier-Stokes (RANS) turbulence models will still be useful with the further development of the more accurate, but computationally expensive large eddy simulation (LES...
master thesis 2019
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Ligthart, Yorick (author)
Fibre reinforced polymer (FRP) is a new construction material that often is used for pedestrian bridges. It offers a good strength-weight relation, a long-term durability and slender bridge shapes. Slenderness has effect on dynamic behaviour of the construction and vibrations are common for these bridges. Hand calculations are commonly used for...
master thesis 2019
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Kocaoğlu, Alper (author)
It is expected that automation and income inequality will have a major impact on the world economy in the 2020’s and beyond. A research conducted by Bain (K. Harris, Kimson, & Schwedel, 2018) claimed that the impact of the economic disruption, which could be triggered by the collision of income inequality and automation, might be more...
master thesis 2019
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Guidi, Marina (author)
From the beginning of the 21st century, thin glass has been used as a screen protector for electronic devices and smartphones. During the last 10 years, several studies have been carried out to introduce the thin glass in the building industry. The advantages of this material are light weight, high strength and high flexibility. On the other...
master thesis 2019
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de Jong, Joost (author)
This thesis reports on the research and design of a real-time Time-Varying Model Predictive Control (TVMPC) scheme to stabilize a tilt-rotor aircraft with four independently tilting rotors. The aircraft design stems from a prototype system constructed by the drone technology start-up Avy.
First, a motivation is presented for implementation...
master thesis 2019
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