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Vos, S.E. (author), Lindenbergh, R.C. (author), de Vries, S. (author)
Sandy coasts are vulnerable to predicted climate change, but also need to safeguard coastal housing, recreation, safety and ecology. “Building with Nature” is an important approach for resilient coastal maintenance, but corresponding predictive modelling tools are partly inconclusive, due to a lack of measurements over multiple spatial and...
conference paper 2017
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Orlita, M. (author), Vos, Roelof (author)
conference paper 2017
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Bouquet, T. (author), Vos, Roelof (author)
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conference paper 2017
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Roelofs, M.N. (author), Vos, Roelof (author)
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conference paper 2017
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Zhang, T. (author), Li, Z. (author), Runge, Jurgen H. (author), Lavini, Cristina (author), Stoker, Jaap (author), Van Gulik, Thomas (author), van Vliet, L.J. (author), Vos, F.M. (author)
In Dynamic Contrast-Enhanced MRI (DCE-MRI) of the liver, a series of images is acquired over a period of 20 minutes. Due to the patient's breathing, the liver is subject to a substantial displacement between acquisitions. Furthermore, due to its location in the abdomen, the liver also undergoes marked deformation. The large deformations...
conference paper 2016
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Schoemaker, M.A. (author), Verlaan, J.G. (author), Vos, R (author), Kok, M. (author)
In many parts of the world, flooding is a big risk. There are numerous strategies to reduce flood risk. The amount of flood risk reduction strategies grows exponentially with the amount of possible measures that can be implemented and possible timings when measures can be implemented. In this paper, the use of a financial method called ...
conference paper 2016
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Peruzzini, D. (author), Viti, J. (author), Tortoli, P. (author), Verweij, M.D. (author), De Jong, N. (author), Vos, H.J. (author)
Currently, in medical ultrasound contrast agent (UCA) imaging the second harmonic scattering of the microbubbles is regularly used. This scattering is in competition with the signal that is caused by nonlinear wave propagation in tissue. It was reported that UCA imaging based on the third or higher harmonics, i.e. “superharmonic” imaging, shows...
conference paper 2015
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Li, Z. (author), Van Vliet, L.J. (author), Stoker, J. (author), Vos, F.M. (author)
Image registration of medical images in the presence of large intra-image signal fluctuations is a challenging task. Our paper addresses this problem by introducing a new concept based on the structure tensor of the local phase. The local phase is calculated from the monogenic signal representation of the images. The local phase image is hardly...
conference paper 2015
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Wever, R. (author), Schermer, R. (author), Smit, L. (author), Vos, L. (author)
Besides contributing to the actual sustainability performance of a product-packaging combination, packaging can also play a role in communicating about sustainability. Such green marketing aspects of packaging may either focus on the sustainability credentials of the packaging itself, or on the credentials of the product contained (or even the...
conference paper 2015
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Elmendorp, R.J.M. (author), Vos, R. (author), La Rocca, G. (author)
A design method is presented that has been implemented in a software program to investigate the merits of conventional and unconventional transport airplanes. Design and analysis methods are implemented in a design tool capable of creating a conceptual design based on a set of toplevel requirements. In contrast to established design methods,...
conference paper 2014
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Vos, R. (author), Hoogreef, M.F.M. (author)
This paper presents a semi-analytical method for the weight estimation of fuselages with an oval cross-section, applied to blended wing body aircraft. The weight estimation of the fuselage primary structure is based on a structural analysis of two-dimensional crosssections and it is completed by a set of empirical relations for the weight...
conference paper 2013
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Melles, M. (author), Erasmus, V. (author), van Loon, M. (author), Tassoul, M. (author), van Beeck, E.F. (author), Vos, M.C. (author)
conference paper 2013
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Vos, H. (author)
conference paper 2012
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Vos, R. (author), Van Dommelen, J. (author)
This paper details a new software tool to aid in the conceptual design of blended-wingbody aircraft. The tool consists of four main modules. In the preliminary sizing model a class I estimate of the maximum take-off weight, wing loading, and thrust-to-weight ratio is calculated. This information is used together with an initial guess of the 30...
conference paper 2012
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Vos, R. (author), Geuskens, F.J.J.M.M. (author), Hoogreef, M.F.M. (author)
This paper outlines a new concept for a pressure cabin design for blended-wing-body aircraft. An overview is presented of the wide oval cabin and why it is believed to be a possible alternative to existing designs of non-circular pressurized cabins. The perimeter of the oval cross section is formed by four smoothly connecting arcs of different...
conference paper 2012
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Vos, R. (author), Scheepstra, J. (author), Barrett, R. (author)
The paper begins with a brief historical overview of pressure adaptive materials and structures. By examining avian anatomy, it is seen that pressure-adaptive structures have been used successfully in the Natural world to hold structural positions for extended periods of time and yet allow for dynamic shape changes from one flight state to the...
conference paper 2011
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Scheepstra, J. (author), Vos, R. (author), Barrett, R. (author)
A new method for designing a morphing Fowler flap based on pressure-adaptive honeycomb is detailed. Pressure adaptive honeycomb has been shown to be able to induce gross camber deformations in airfoil sections, such as a flap. However, due to the large amount of design variables the integration of the honeycomb as a distributed actuator in a...
conference paper 2011
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Vos, R. (author), Barrett, R. (author)
A new type of adaptive structure is presented that relies on pressurized honeycomb cells that extent a significant length with respect to the plane of the hexagons. By varying the pressure inside each of the cells, the stiffness can be altered. A variable stiffness in combination with an externally applied force field results in a fully embedded...
conference paper 2010
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Straathof, M.H. (author), Van Tooren, M.J.L. (author), Voskuijl, M. (author), Vos, R. (author)
A new parametrization method for aircraft shapes is presented to enhance shape optimization for aircraft design. This parametrization method was implemented in a tool that creates feasible initial solutions for multidisciplinary design optimization problems. The tool combines all aspects of the aerodynamic design process: parametrization, aero...
conference paper 2010
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Vos, R. (author), Barrett, R. (author)
A new type of adaptive structure is presented that relies on a pressure derential to perform gross structural deformations. This structure relies on highly compliant honey-comb cells that can be pressurized externally or can rely on a pressure differential that exists at elevated altitudes. By pressurizing this honeycomb, its stiffness can be...
conference paper 2010
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