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Molenaar, M.L. (author), Eisemann, E. (author)Sparse Voxel Directed Acyclic Graphs (SVDAGs) are an efficient solution for storing high-resolution voxel geometry. Recently, algorithms for the interactive modification of SVDAGs have been proposed that maintain the compressed geometric representation. Nevertheless, voxel attributes, such as colours, require an uncompressed storage, which...journal article 2023
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Molenaar, M. (author), Kardan Halvaei, F. (author), Shekhar, A. (author), Bauer, P. (author)The reliability of semiconductor power devices can be studied by performing a thermal and power cycling test. In order to create the desired temperature cycles, there are four free variables to select during the power cycling test, namely the heating current, heating time, cooling time, and heatsink temperature. In this paper, the relation...conference paper 2023
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Tissen, L.N.M. (author), Seymour, K. (author), Dubbeldam, S. (author), Hardardottir, S. (author), Jerdonekova, I. (author), Molenaar, C. (author), Schilder, J.M. (author), Elkhuizen, W.S. (author)Various imaging techniques are used to visualise issues regarding a painting’s appearance before, during and after conservation treatments, i.e. visible light photography (VIS) raking light photography (RAK), ultraviolet fluorescence photography (UVF) and reflectance transformation imaging (RTI). However, these techniques cannot always...journal article 2020
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Molenaar, M.L. (author), Eisemann, E. (author)We present a method for improving batched ray traversal as was presented by Pharr et al. [PKGH97]. We propose to use conservative proxy geometry to more accurately determine whether a ray has a possibility of hitting any geometry that is stored<br/>on disk. This prevents unnecessary disk loads and thus reduces the disk bandwidth.conference paper 2020
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van Houwelingen, Josje (author), Holten, Ad P.C. (author), Clercx, Herman J.H. (author), Kunnen, Rudie P.J. (author), Molenaar, Jaap (author), van de Water, W. (author)Abstract: We discuss the application of synthetic aperture particle image velocimetry for measuring the flow around human swimmers using small bubbles as tracer. We quantify the two-dimensional projection of the velocity field in planes perpendicular to the viewing direction of an array of six cameras. With help of simulations, modelled after...journal article 2020
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Stellingwerf, Merel E. (author), Bak, Michiel T.J. (author), de Groof, E. Joline (author), Buskens, Christianne J. (author), Molenaar, Charlotte B.H. (author), Gecse, Krisztina B. (author), Nerkens, Willem (author), Horeman, T. (author), Bemelman, Willem A. (author)Patients with perianal fistulas are frequently treated by a knotted seton which is well-known for causing complaints. We aimed to assess the feasibility of the knotless SuperSeton and advantages with respect to perianal disease activity. In a prospective cohort study, we included all consecutive adult patients with a knotted seton in situ or...journal article 2020
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Pramesti, F. P. (author), Poot, M.R. (author), van de Ven, Martin (author), Molenaar, A.A.A. (author)Many research on mechanistic testing have come to likely conclusion that different test setup results in different performance. The aim of this paper is to analyse the stiffness modulus resulting from three different test setups, namely; Monotonic Uniaxial Tension Test (MUTT), Monotonic Uniaxial Compression Test (MUCT), and Indirect Tensile...journal article 2019
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Chen, X. (author), Hofland, Bas (author), Molenaar, W.F. (author), Capel, Alex (author), Van Gent, Marcel R.A. (author)This paper describes a method of determining the reaction forces of a vertical structure with an overhang to impulsive wave impacts. The aim is to develop a method to design a hydraulic structure exposed to the impulsive wave impact. At present, there is a lack of guidelines on the designing and verification with such a purpose. The impulse...journal article 2019
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Pramesti, F.P. (author), Molenaar, A.A.A. (author), van de Ven, Martin (author)Durable, therefore sustainable, road needs to attain specific characteristics, among others, resistance to permanent deformation and cracking. Determining the development of both characteristics are important to be able to predict pavement life and performance. In this research, permanent deformation occurring in three pavement sections was...journal article 2017
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Molenaar, W.F. (author), Voorendt, M.Z. (author)This manual is the result of group work and origins in Dutch lecture notes that have been used since long time. Amongst the employees of the Hydraulic Engineering Department that contributed to this work are dr.ir. S. van Baars, ir.K.G.Bezuijen, ir.G.P.Bourguignon, prof.ir.A.Glerum, dr.ir.P.A.Kolkman, ir. H.K.T. Kuijper, ir. H.G. Voortman and...lecture notes 2016
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Voorendt, M.Z. (author), Molenaar, W.F. (author), Bezuyen, K.G. (author)These lecture notes on caissons are part of the study material belonging to the course 'Hydraulic Structures 1' (code CTB3355), part of the Bachelor of Science education and the Hydraulic Engineering track of the Master of Science education for civil engineering students at Delft University of Technology. Many of the principles and engineering...lecture notes 2016
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Haghi, R. (author), Ashuri, T. (author), Van der Valk, P.L.C. (author), Molenaar, D.P. (author)In the current offshore wind turbine support structure design method, the tower and foundation, which form the support structure are designed separately by the turbine and foundation designer. This method yields a suboptimal design and it results in a heavy, overdesigned and expensive support structure. This paper presents an integrated...journal article 2014
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Li, M. (author), Van Keulen, W. (author), Ceylan, H. (author), Van de Ven, M.F.C. (author), Molenaar, A.A.A. (author)This paper investigates changes in tire/pavement noise caused by variations in the road surface characteristics. This research is based on the analysis of noise and surface characteristics collected from sections with 25 mm thickness thin layer surfacings in the Netherlands. Investigations are first performed on the measured noise levels in 1...journal article 2013
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Xuan, D. (author), Schlangen, H.E.J.G. (author), Molenaar, A.A.A. (author), Houben, L.J.M. (author)Fracture properties of cement treated demolition waste were investigated using a lattice model. In practice the investigated material is applied as a cement treated road base/subbase course. The granular aggregates used in this material were crushed recycled concrete and masonry. This results in six different types of phases in the mixture:...conference paper 2013
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Molenaar, A.A.A. (author)This paper discusses the possibilities to build durable and sustainable pavement structures in developing countries. Attention will be paid to geometric design aspects which have a significant effect on pavement life. Following this attention will be paid to the importance of controlling wheel loads rather than axle loads. Also the importance of...journal article 2013
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Pramesti, F.P. (author), Molenaar, A.A.A. (author), Van de Ven, M.F.C. (author)To be able to devise optimum strategies for maintenance and rehabilitation, it is essential to formulate an accurate prediction of pavement life and its maintenance needs. One of the pavement life prediction methods is based on the pavement's capability to sustain fatigue. If it were possible to have a prediction that closely represent what is...journal article 2013
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Araya, A.A. (author), Huurman, M. (author), Molenaar, A.A.A. (author), Houben, L.J.M. (author)In many developing countries, where resources are at premium, thin asphalt layers or chip seals are widely used to provide a durable all weather pavement surfacing. In such pavements the role of granular layers is very important in the general performance of the structure. Pavement designs in these countries are empirical in nature and rely on...journal article 2012
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Qiu, J. (author), Van de Ven, M.F.C. (author), Schlangen, H.E.J.G. (author), Wu, S. (author), Molenaar, A.A.A. (author)The traffic volume and the number of heavy vehicles are growing enormously nowadays. There is a need for designing a durable asphalt pavement with innovative technologies. Pavement structures and materials with self healing and self repairing capability are believed to be very useful in such a system. This paper is aiming to understand the self...conference paper 2012
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Qiu, J. (author), Molenaar, A.A.A. (author), Van de Ven, M.F.C. (author), Wu, S. (author), Yu, J. (author)Self healing of asphalt mixes is known for more than four decades. However, it is a complex phenomenon which depends on the duration of the rest period, temperature, crack size, etc. In order to quantify the self healing behaviour of asphalt mixes, a test setup was proposed in this research using an asphalt beam on an elastic foundation. Within...journal article 2012
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Goel, A. (author), Wortel, M.T. (author), Molenaar, D. (author), Teusink, B. (author)Performance of industrial microorganisms as cell factories is limited by the capacity to channel nutrients to desired products, of which optimal production usually requires careful manipulation of process conditions, or strain improvement. The focus in process improvement is often on understanding and manipulating the regulation of metabolism....journal article 2012