Searched for: subject%3A%22FEM%255C%2Banalysis%22
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Smedema, Jette (author)
<b>Background</b><br/>Adolescent idiopathic scoliosis (AIS) with a Cobb angle larger than 45° is a spinal deformity that needs surgical treatment to stop progression and reduce pain. Spinal fusion is a surgical procedure where rods are attached to the spine through screws to diminish the Cobb angle.<br/><b>Objective</b><br/>The metal rods are...
master thesis 2022
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Schuiling, Thijs (author)
Cold-bent insulating glass units (IGU) have the potential to be one of the answers to current needs and wishes of modern and sustainable architecture. Curved glass is stiffer against out-of-plane loads and therefore the structural behaviour of cold-bent IGU’s is different compared to flat IGU’s. Structural behaviour of flat glass in buildings is...
master thesis 2022
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Wrzosek, Filip (author)
A series of critical transmission lattice towers failures due to severe ice and wind loads forced German utility companies to reassess the structural stability of their power grid infrastructure. During the structural reassessment process, a problem related to an outdated or even missing documentation of the in-use infrastructure occurred. This...
master thesis 2022
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Smit, Neil (author)
Fin Ray Effect (FRE) grippers have proven versatile and effective in pick &amp; place automation applications. However, spherical and lateral round objects are still a challenge for the state-of-the-art, as solutions are unstable when placing those objects off-centre from the longitudinal line. Resulting in large and heavy FRE gripper assemblies...
master thesis 2022
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Beinema, Thomas (author)
With the climate goals of the Paris Agreement and the European Green Deal, countries need to reduce their carbon footprint and increase their renewable energy production. For countries with high population density, land-based photovoltaics (solar) takes up valuable space. Therefore, solar application at sea is considered. <br/><br/>One of the...
master thesis 2022
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van Dijk, Max (author)
The energy transition will significantly impact distribution transformers as they will have to deal with more load on them, which is also more variable due to renewable energy sources. However, currently, these transformers are often not monitored with sensors. Therefore, the Dutch network operator Stedin asked to investigate the possibilities...
master thesis 2022
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Skitsas, E. (author)
Weight reduction in vehicles offers many advantages. Especially in aircraft, one of the advantages of weight reduction less need for power which is translated into less fuel consumption and lower emissions. Composite materials are now a popular construction material in new passenger aircraft, making them lighter by taking advantage of their high...
master thesis 2020
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Afshan Naseem Ansari, Afshan (author)
Royal IHC B.V. is recognized in the dredging and offshore industry. It’s head office is situated in the Netherlands and with more than 3000 employees working from sites and offices all around the world, it is able to ensure its local presence on every continent. Nowadays a subsidiary company of Royal IHC, IHC IQIP is expanding the scope of its...
master thesis 2020
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Schuur, Mitchell (author)
In this thesis a parametric finite element model has been developed to predict the printability of concrete structures of arbitrary geometries. The model can be used to effectively explore design and process parameters to optimize printed objects. In addition, the model can be used to improve the reliability of the printing process, reduce the...
master thesis 2020
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Huisman, Niek (author)
The goal of this research is to optimize the fiber layup of a carbon windsurfing boom for weight and stiffness. A windsurfing boom should be stiff to provide an efficient basis for the energy transfer from the sail through the surfer to the board. The weight of the boom is important as the total weight of the rig influences the performance,...
master thesis 2019
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Wijntjes, Pascalle (author)
In mathematical biology, a morphoelastic model, which combines elasticity and growth, has been used for, e.g., wound healing and tumour growth modelling. Here, it is used to model the growth of an embryo. In order to do so, a growth curve from literature has been fitted to a morphoelastic model which has been extended with a PDE for the...
master thesis 2019
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GURUMOORTHI, Hari Prasath (author)
Increase in demand for electric power and renewable sources of energy drives the need for more transmission &amp; distribution capacity. When using DC, as RMS and peak voltage are the same, transferring more power can be economical but at the same time erecting new transmission lines is often associated with demanding approval procedures,...
master thesis 2019
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Beld, Petra (author)
Fatigue is an important issue for orthotropic steel deck (OSD) bridges and therefore a design criterium. Cracks will initiate at several locations of the bridge deck. It is likely that a crack at the trough web to deck plate joint at the crossbeam will initiate first. This crack initiates at the weld root and propagates through the deck plate. A...
master thesis 2019
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Ibrahim, Ahmed (author)
Heat exchangers of any kind are exposed to thermal loading which have the potential to cause severe stresses on the equipment. The magnitude of these loads are far more pronounced when temperature differences occur. These may be during plant start-up or shut-down due to the transient nature of the temperature profiles or even imbalances that...
master thesis 2019
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Nonhebel, Jochem (author)
Natural gas accounts for just under a quarter of global energy demand. The gas is mainly delivered through pipelines, but is increasingly shipped overseas by liquefying it to LNG at -162 degrees Celcius. Fluids, containing free surfaces inside ships are likely to start sloshing, as ships move on waves. These fluids induce impact loading on the...
master thesis 2019
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Vis, Bas (author)
Atherosclerotic plaque rupture is the main cause of acute myocardial infarction and stroke, the two leading causes of death worldwide. Rupture of plaque tissue is a mechanical event, where plaque stress or strain locally exceeds its strength. Biomechanical studies agree with histopathological findings that a large lipid pool and thin fibrous cap...
master thesis 2019
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van der Wel, Thijs (author)
Uncertainties in the soil parameters play a major role in the design of quay walls. In the current design approach, partial factors are prescribed to account for uncertainties in the soil, as well as for other types of uncertainties. This semi-probabilistic (level I) design approach needs to result in a reliable design for a range of quay...
master thesis 2018
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Hosseini, Sajjad (author)
The Ampelmann system uses a motionless transfer deck on a host vessel to transfer personnel and equipment between the vessel and offshore structures very safely even in very harsh environment. The Ampelmann system consists of a transfer deck which is mounted on a hexapod and a gangway. The hexapod is a so-called Steward platform which...
master thesis 2018
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Cruz Saldivar, Mauricio (author)
Our ageing, and increasingly overweight population demands better implant designs and testing methods. More realistic finite element method (FEM) models are a great approach to reduce costs of the implant design process. FEM models could be used to evaluate implant performance against lack of bone ingrowth and medial tibial collapse. Failed bone...
master thesis 2018
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Claeys, Mathias (author)
This paper is a representation of the research that has been performed with regards of the weight estimation of the Flying V and its conventional reference aircraft. The goal is to establish the feasibility of the Flying V as a structural concept. In order to do this a structural model of the Flying V has been created, as well as the design and...
master thesis 2018
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