Searched for: subject%3A%22substructure%22
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van Rooijen, Dylan (author)
The offshore wind energy industry is quite literally reaching for the sky to meet the increasing demand for renewable energy in Europe. Offshore wind turbines are sprouting out of the waves off the coast of many European nations and their size is increasing rapidly. As the turbines become larger and the waters in which they are placed become...
master thesis 2023
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Knapen, Jan (author)
Substructural typing imposes additional constraints on variable usage during type checking and requires specialized approaches to ensure type soundness. In this study, we investigate the implementation of a type checker using scope graphs for languages with substructural type systems. Scope graphs, a data structure representing scoping, provide...
bachelor thesis 2023
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Tjaberings, Jorick (author)
The ever-increasing size of offshore wind turbine substructures and the development of wind farms at sites further offshore, with greater water depths and with extremer weather conditions, raise logistical challenges that have never been faced before. Additionally, the offshore wind industry has to deal with governments cutting subsidies, small...
master thesis 2022
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de Kruijf, Theo (author)
Offshore Wind Farms (OWFs) have developed into an integral part of the European energy transition in the fight against climate change. The North Sea, with its excellent wind conditions and soil characteristics, as well as ports and industrial energy consumers nearby, has become the epicenter of offshore wind development. The coming years will...
master thesis 2021
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Gonzalez Jimenez, Martin (author)
A significant percentage of the offshore wind resource is located in waters deeper than 60m. Therefore, several floating offshore wind turbines (FOWT) have been conceived in recent years. In deep waters, it seems logical to also harvest wave energy. One of the options to harness both resources is to use a floating offshore hybrid wind-wave...
master thesis 2020
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Mortazavi, Nooshinossadat (author)
This work comprises research in the field of Experimental Dynamics. This technique is currently used in the automotive area and is used to enhances the current state of FEM with the inclusive of test- based models. Building test-based models for EDS (Experimental Dynamic Substructuring) requires very accurate measurement, and this thesis...
master thesis 2020
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van Haastert, Rutger (author)
The electrification of drive trains in current and next generation vehicles require vibration dampers that possess different dynamic properties than its internal combustion engine counterparts. This makes research in automotive vibration damping a hot topic. Research in this field often contains the practice of Frequency Based Substructuring ...
master thesis 2019
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van den Bosch, Valentijn (author)
As a reaction to urban densication, light weight building is an attractive concept for optimally utilizing the capacity of the existing built environment. A common issue paired with light weight construction is the need to engage in vibrational design, in order to minimize hindrance due to human activities such as walking, that cause vibrations...
master thesis 2019
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Gulikers, Tom (author)
Engineering fields such as aerospace rely heavily on the Finite Element Method (FEM) as a modelling tool. In combination with the scale and complexity of the structures typically involved here, computational cost remains a traditional issue. To perform FEM analyses of such structures efficiently nonetheless, engineers rely on techniques such as...
master thesis 2018
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Nieuwenhuijse, Lennart (author)
A popular strategy in structural dynamic modeling is breaking the structure down into separable, manageable substructures. By doing so, one can choose the most efficient way of modeling the substructures, before synthesizing the full system model. This method is known as Dynamic Substructuring (DS). One method of DS, is Frequency Based...
master thesis 2018
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Stolk, M. (author)
Since its introduction, Topology Optimization (TO) has been applied to a broad range of design cases. TO is a material distribution method which finds the optimal material lay-out for a given design space while upholding given constraints and boundary conditions. This has made the method popular in structural mechanics where it is used to find...
master thesis 2017
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Tchai, J.J. (author)
The design of a modern vehicle must fulfill high standards regarding safety and ride comfort as well as vehicle dynamics. This is of particular importance for front suspension and steering system as the latter is the only tactile connection between road and driver. The vibration feedback from the tires to the steering wheel delivers both useful...
master thesis 2016
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Louis, O. (author)
A significant reduction in the levelized cost of electricity is necessary for offshore wind farms to become a competitive energy source. Amongst other methods, overall project cost reduction can be achieved by optimized support structure design. An upcoming trend is the use of `XL monopiles', which provide a cost effective foundation solution...
master thesis 2015
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Maier, S. (author)
Environmental research and in-situ measurements have shown that most regions of the Baltic Sea harnesses a large wind energy potential. The Finnish government has outlined a policy to generate a rapid increase in the use and production of renewable wind energy. In order to achieve these goals, the need arises for the construction of full scale...
master thesis 2015
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Van den Bosch, D.D. (author)
One way of deriving the dynamics of a structure, is by combining the dynamics of its substructures. This concept is named ’Dynamic Substructuring’ and it allows us to cope with the increasing complexity of models by dividing them into substructures and deriving their structural dynamics independently. This allows an improvement in computational...
master thesis 2014
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Van der Horst, T. (author)
The dynamics of systems can be analysed by combining the dynamics of its components. This method is generally know as dynamic substructuring. It allows for efficient computation of the dynamics of structures that would otherwise be to complex to determine. Most dynamic substructuring approaches use the frequency domain for the re-assembling of...
master thesis 2014
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Barten, E. (author)
The dynamic response of coupled structures is influenced by the mechanical joints connecting the individual substructures. The friction induced by the interfaces causes non-linear and dampinglike effects, which need to be taken into account when applying Experimental Dynamic Substructuring techniques. The traditional techniques impose...
master thesis 2013
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Wenneker, F. (author)
In the field of computational physics and engineering, the introduction of computers opened a world of possibilities. The finite element method was developed in order to solve complex problems numerically. Over time, the method matured and structures in the field of engineering became more and more complex, resulting in large degree of freedom...
master thesis 2013
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Rahimi, S. (author)
The need to analyze and optimize the large and complex structures, locally and globally, and have knowledge of local and global dynamic, has induced the notion of Dynamic Substructuring. In the course of time several DS techniques are developed from which some are mainly based on experimental routine. They are known as experimental DS and...
master thesis 2012
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Boogaard, M.A. (author)
This thesis will propose a new method to predict the response of sensitive equipment, once it is installed on the factory floor. Currently, only the stiffness of the floor is taken into account when the dynamic response of a machine on a floor is predicted. To improve these methods, a short literature survey is done about the dynamics of factory...
master thesis 2012
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