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Chen, X. (author), Yuan, C. (author), Wong, C.K.Y. (author), Zhang, G. (author)A molecular modeling strategy is proposed to describe the temperature (T) dependence of solubility parameter (δ) for the amorphous polymers which exhibit glass-rubber transition behavior. The commercial forcefield "COMPASS" is used to support the atomistic simulations of the polymer. The temperature dependence behavior of δ for the polymer is...article 2012
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Cristol, X. (author), Jespers, S. (author), Chalindar, B. (author), Juhel, B. (author), Dybedal, J. (author), Eidem, E.J. (author), Ivansson, S. (author), van Vossen, R. (author), Ainslie, M.A. (author), Andersson, B.L. (author), Colin, M.E.G.D. (author), Pihl, J. (author)The European Defence Agency project RUMBLE-2 (ref.[1]) offered the opportunity for investigating experimentally acoustic reverberation at about 1.kHz, under grazing incidence (less than about 20°), from very porous clayey seafloors of a continental shelf (mean grain size spanning from about 7 to 10 in units); the instrument was an operational,...conference paper 2012
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Abrahamsson, L. (author), Andersson, B.L. (author), Ivansson, S. (author), Pihl, J. (author), Chalindar, B. (author), Cristol, J.X. (author), Juhel, B. (author), Eidem, E.J. (author), Dybedal, J. (author), Olsen, G.K. (author), Ainslie, M.A. (author), Benders, F.P.A. (author), Colin, M.E.G.D. (author), van Vossen, R. (author)An operational low-frequency active sonar system has been used in the EDA (European Defence Agency) project Rumble-2 to collect reverberation data at sea trials in the North Sea. Using a fast ray model for the forward computations, the reverberation data are inverted to determine bottom parameters: Lambert back-scattering parameter μ and sound...conference paper 2012
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Haasdijk, E. (author), Smit, S.K. (author), Eiben, A.E. (author)In traditional evolutionary robotics, robot controllers are evolved in a separate design phase preceding actual deployment; we call this off-line evolution. Alternatively, robot controllers can evolve while the robots perform their proper tasks, during the actual operational phase; we call this on-line evolution. In this paper we describe three...article 2012
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Dragoi, V. (author), Czurratis, P. (author), Brand, S. (author), Beyersdorfer, J. (author), Patzig, C. (author), Krugers, J.P. (author), Schrank, F. (author), Siegert, J. (author), Petzold, M. (author)In this paper, a brief summary of potential defect formation and failure characteristics for low temperature plasma-assisted Si wafer bonding in correlation to different influencing factors is given. In terms of a failure catalogue classification, these defects are related to incoming material quality variation, wafer bonding equipment and...conference paper 2012
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Niessen, B.C. (author), Jansen, S.T.H. (author), Besselink, I.J.M. (author), Schmeitz, A.J.C. (author), Nijmeijer, H. (author)The application of a single track vehicle model to describe the lateral vehicle dynamics is common for control applications. As a result of simplifications, the basic single track vehicle model uses different front and rear effective tyre characteristics, which are valid for one loading configuration only. A study is conducted for parameter...conference paper 2012
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Jespers, S. (author), Juhel, B. (author), Chalindar, B. (author), Cristol, X. (author), Dybedal, J. (author), Eidem, E.J. (author), Ivansson, S. (author), van Vossen, R. (author), Ainslie, M.A. (author), Andersson, B.L. (author), Benders, F.P.A. (author), Colin, M.E.G.D. (author), Olsen, G.K. (author), Pihl, J. (author)The safety of the deployment of naval forces requires a correct estimation of sonar performances. The quality of these performances strongly depends on the knowledge of the environmental data, especially in shallow water environments where the acoustic field is particularly influenced by the interaction with the seabed sediment whose acoustic...conference paper 2012
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Banzhaf, S. (author), Schaap, M. (author), Kerschbaumer, A. (author), Reimer, E. (author), Stern, R. (author), van der Swaluw, E. (author), Builtjes, P. (author)The Chemistry Transport Model REM-Calgrid (RCG) has been improved by implementing an enhanced description of aqueous-phase chemistry and wet deposition processes including droplet pH. A sensitivity study on cloud and rain droplet pH has been performed to investigate its impact on model sulphate production and gas wet scavenging. Air...article 2012
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Ellegast, R.P. (author), Kraft, K. (author), Groenesteijn, L. (author), Krause, F. (author), Berger, H. (author), Vink, P. (author)Prolonged and static sitting postures provoke physical inactivity at VDU workplaces and are therefore discussed as risk factors for the musculoskeletal system. Manufacturers have designed specific dynamic office chairs featuring structural elements which promote dynamic sitting and therefore physical activity. The aim of the present study was to...article 2012
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van Kuilenburg, J. (author), Masen, M.A. (author), van der Heide, E. (author)In this work, analytical models available from contact mechanics theory having a proven record in mechanical engineering were used to develop a model predicting the friction behavior of human skin. A multi-scale contact model was developed in which the contact parameters are calculated at three levels, each level characterized by its elastic...conference paper 2012
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- Alapaty, K. (author), Mathur, R. (author), Pleim, J. (author), Hogrefe, C. (author), Rao, S.T. (author), Ramaswamy, V. (author), Galmarini, S. (author), Schaap, M. (author), Makar, P. (author), Vautard, R. (author), Baklanov, A. (author), Kallos, G. (author), Vogel, B. (author), Sokhi, R. (author) article 2012
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Terhal, P.A. (author), van Dommelen, P. (author), Le Merrer, M. (author), Zankl, A. (author), Simon, M.E. (author), Smithson, S.F. (author), Marcelis, C. (author), Kerr, B. (author), Kinning, E. (author), Mansour, S. (author), Hennekam, R.C. (author), van der Hout, A.H. (author), Cormier-Daire, V. (author), Lund, A.M. (author), Goodwin, L. (author), Mégarbané, A. (author), Lees, M. (author), Betz, R.C. (author), Tobias, E.S. (author), Coucke, P. (author), Mortier, G.R. (author)From data collected via a large international collaborative study, we have constructed a growth chart for patients with molecularly confirmed congenital spondylo-epiphyseal dysplasia (SEDC) and other COL2A1 related dysplasias. The growth chart is based on longitudinal height measurements of 79 patients with glycine substitutions in the triple...article 2012
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Steenbergen, R.D.J.M. (author), Morales Napoles, O. (author)The assessment of the structural safety of existing bridges and viaducts becomes increasingly important in many countries. Within the actions applied to the bridges, the traffic load is, in general, the most significant variable action to be considered when the ultimate limit states are under investigation. Over the last years a considerable...conference paper 2012
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Stein, N.E. (author), Hamelers, H.V.M. (author), van Straten, G. (author), Keesman, K.J. (author)Polarization curves are of paramount importance for the detection of toxic components in microbial fuel cell (MFC) based biosensors. In this study, polarization curves were made under non-toxic conditions and under toxic conditions after the addition of various concentrations of nickel, bentazon, sodiumdodecyl sulfate and potassium ferricyanide....article 2012
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Holtzer, A.C.G. (author), van der Giessen, A.M. (author), de Munck, S.G.E. (author), Poel, M.A. (author), Smets, R.C.J. (author)This deliverable describes the monitoring framework that will be used to monitor and evaluate the GEN6 project and its nine pilots. The main topics are IPv6 uptake and governance, as described by the EC. Monitoring and evaluation will be done during the course of the project. This report describes the monitoring framework, the monitoring...report 2012
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Hanea, A. (author), Hanea, R. (author), Zilko, A. (author)The objective of reservoir engineering is to optimize hydrocarbon recovery. One of the most common and efficient recovery processes is water injection. The water is pumped into the reservoir in injection wells in order to push the oil trapped in the porous media towards the production wells. The movement of the water front depends on the...conference paper 2012
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Kalkman, I.M. (author), Lentzen, S.S.K. (author), Courage, W.M.G. (author), Napoles, O.M. (author), Galanti, F.M.B. (author)In general the condition of a structure can be assessed in terms of a performance indicator. For example, this can be the strength of a structure. An asset manager is concerned with ensuring that the performance of a structure does not fall below a given minimum level. This can be achieved by inspecting or monitoring the structure. As the...conference paper 2011
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van Vossen, R. (author), Colin, M. (author), Benders, F. (author), Ainslie, M.A. (author), Eidem, E.J. (author), Chalindar, B. (author), Juhel, B. (author), Dybedal, J. (author), Olsen, G.K. (author), Ivansson, S. (author), Abrahamsson, L. (author)Accurate environmental information is required for obtaining reliable predictions for the performance of low-frequency active sonar (LFAS) systems. This environmental information is, however, often unreliable or unavailable. For example, the acoustic seabed parameters relevant for the scattering and reflection of sound at the seabed are commonly...conference paper 2011
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Chen, X.P. (author), Yuan, C.A. (author), Wong, C.K.Y. (author), Koh, S.W. (author), Zhang, G.Q. (author)We report a molecular modelling study to validate the forcefields [condensed-phase optimised molecular potentials for atomistic simulation studies (COMPASS) and polymer-consistent forcefield (PCFF)] in predicting the physical and thermophysical properties of polymers. This work comprises of two key steps: (1) generating and validating the...article 2011
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Kessels, J.T.B.A. (author), Rosca, B. (author), Bergveld, H.J. (author), van den Bosch, P.P.J. (author)Hybrid and electric vehicles require accurate knowledge of the battery to make an educated guess about the expected electric driving range. Range prediction is complicated by the fact that batteries are subject to external influences and aging. Also the future driving behavior is often unknown. This paper presents a model-based identification...conference paper 2011