Searched for: subject%3A%22Testing%22
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Dangi, Nirav (author)
The wind turbine wake is a downstream region of kinetic energy and velocity deficit, higher turbulence and has a complex helical vortex structure. The wind turbine wake’s stability depends mainly on the ambient turbulence and the wind turbine tip- speed ratio. Researchers have developed several wake control techniques to mitigate this issue,...
master thesis 2023
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Stokman, Charlotte (author)
The energy market is growing and noise regulations for offshore foundation pile installation grow stricter. New initiatives arise to comply with the ongoing developments in the field, such as the BLUE Piling Technology under development by IQIP. Its features are presented as reduced underwater noise levels during installation, which is attibuted...
master thesis 2023
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HARIHARAN, RAJNEESH (author)
Delamination is a significant failure mode that has been the subject of extensive research in laminated structures. The interface in assembly structures often represents the susceptibly weak link and necessitates careful consideration to guarantee structural stability. It is of utmost significance to understand the behaviour of the delamination...
master thesis 2023
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Metsch, Youri (author)
Previous research into floating offshore wind turbines consistently shows some manner of discrepancy between numerical and experimental simulations when it comes to low frequency forces and motions. A part of solving this issue is the generation of accurate data for the calibration and validation of the numerical models, needed because of the...
master thesis 2023
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Mokveld, T.O. (author)
Genomics is a field devoted to understanding the differences in genetics between populations, individuals, and even within individuals. By constantly comparing and contrasting data from diverse sources, genomics can refine our understanding of life and identify new ways to improve our lives. However, this often presents technical and biological...
doctoral thesis 2023
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Tijs, B.H.A.H. (author)
Thermoplastic composites enable new manufacturing techniques such as conduction welding to make the aviation industry more sustainable, while at the same time, provide great benefits to cost-efficient high-volume production. One of the benefits of welding is that it reduces the amount of mechanical fasteners required. Fastener-free joining also...
doctoral thesis 2023
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Koster, Jeroen (author)
Aluminium alloy AA2024-T3 is a lightweight and damage tolerant material, and is therefore often used in aerospace applications. However, this alloy is difficult to weld using conventional fusion welding techniques due to defects caused by the meld pool.<br/> <br/>Friction stir welding (FSW) was developed by The Welding Institute (TWI) in 1991 in...
master thesis 2023
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Speth, Florine (author)
Coral reefs are considered to be a crucial ecosystem and form of natural coastal protection. They owe their effectiveness to their high structural complexity. This complexity, which positively influences aspects like species richness, coral recovery, live coral cover, and coastal protection, is often quantified using parameters such as porosity...
master thesis 2023
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van Dorth tot Medler, Jan (author)
Background: For rigorous software testing, integration and end-to-end tests are essential to ensure the expected behavior of multiple interacting components of the system. When software is subjected to integration or end-to-end tests, it is often unfeasible to test every code change individually, as the runtime of these tests is usually...
master thesis 2023
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van Opstal, Doris (author)
Interest in driving simulators has risen due to new technologies that better resemble real-world driving and the cost reduction of driving simulator development. In recent years, safety researchers commonly use driving simulators to examine complex driving behaviors in a controlled and safe environment. However, the question remains whether or...
master thesis 2023
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Bölger, Matthijs (author)
Stability assessment for dikes and dike reinforcement requires insight in soil strength behaviour. The required parameters for this assessment are typically obtained from conventional laboratory tests. These conventional tests are not performed under conditions found in the field. For example, a dike section resembles to plane strain conditions....
master thesis 2023
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Heijnen, Sabine (author)
One of the biggest challenges of the century is the fight against global warming. In all sectors people are doing their best to reduce their carbon footprints and their impact on the environment. In the energy sector this is done by making use of renewable energy sources (RES), such as wind turbines, instead of fossil fuels. This transition to...
master thesis 2023
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Koutsounanos, Efthymios (author)
Ceramic matrix composites (CMCs) are advanced materials that consist of a ceramic matrix reinforced with a high-strength, high-stiffness material, such as carbon fibers. They offer excellent thermal and chemical stability while exhibiting low weight and exceptional mechanical properties. A novel CMC material is the C/C-SiC produced with 2/2...
master thesis 2023
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Kalaichelvi Senthil Kumar, Ganesh ShriRaam (author)
Given the desire to construct more structures using sustainable building materials, demand for wood and other bio-based building materials has risen dramatically over the decade. While timber itself is a carbon-neutral material and can sometimes even be carbon-negative, reusing wooden structural members made that have been in service for several...
master thesis 2023
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Liu, X. (author)
doctoral thesis 2023
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Westerbeek, Elise (author)
Strain hardening cementitious composites (SHCC) can be used to reduce the amount of reinforcement needed to control crack widths. SHCC has a strain hardening behaviour with dense micro-cracking, which makes it more ductile compared to conventional concrete. Conventional concrete can be used in the non-critical locations. An interface is formed...
master thesis 2023
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Sattari, R. (author), Hu, D. (author), Liu, X. (author), van Zeijl, H.W. (author), Vollebregt, S. (author), Zhang, Kouchi (author)
The rapid development of power electronics has challenged the thermal integrity of semiconductor packaging. Further developments in this domain can be supported significantly by utilizing fast and flexible thermal characteristic evaluation. This study employs the transient dual interface method (TDIM) to characterize and compare the thermal...
journal article 2023
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Zhao, Xiujie (author), Chen, P. (author), Lv, Shanshan (author), He, Zhen (author)
Return of products within the warranty coverage induces additional cost and loss of reputation to manufacturers. It is of practical interest to predict the return rate by experimental means before introducing a product to the market. In this paper, we propose to optimize accelerated reliability tests to achieve the goal within limited time....
journal article 2023
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Guo, Y. (author), Golchin, A. (author), Hicks, M.A. (author), Liu, Songyu (author), Zhang, Guozhu (author), Vardon, P.J. (author)
The effect of temperature on the monotonic and cyclic shearing response of a soil–structure interface is of critical importance for the application of thermal-active geo-structures. To investigate this, soils and soil–concrete interfaces were comprehensively tested with a temperature-controlled direct shear device under both fixed...
journal article 2023
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Gao, Mingyu (author), Chakraborty, S.S. (author), Kulahcioglu Ozkan, Burcu (author)
The Probabilistic Concurrency Testing (PCT) algorithm that provides theoretical guarantees on the probability of detecting concurrency bugs does not apply to weak memory programs. The PCT algorithm builds on the interleaving semantics of sequential consistency, which does not hold for weak memory concurrency. It is because weak memory...
conference paper 2023
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