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Selig, B. (author), Vermeer, K.A. (author), Rieger, B. (author), Hillenaar, T. (author), Hendriks, C.L.L. (author)Background Manual and semi-automatic analyses of images, acquired in vivo by confocal microscopy, are often used to determine the quality of corneal endothelium in the human eye. These procedures are highly time consuming. Here, we present two fully automatic methods to analyze and quantify corneal endothelium imaged by in vivo white light slit...journal article 2015
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- Esposito, R. (author), Hendriks, M.A.N. (author) conference paper 2015
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Esposito, R. (author), Hendriks, M.A.N. (author)Structures affected by Alkali-Silica Reaction (ASR) include large massive concrete dams and bridges, which are considered essential for the infrastructure system, and not easily replaceable. The main feature of this reaction is the creation of a hydrophobic expansive gel which causes internal damage in the concrete. This damage is strongly...conference paper 2015
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Engen, M. (author), Hendriks, M.A.N. (author), Overli, J.A. (author), Aldstedt, E. (author)Due to practical and economic reasons the design of complex concrete structures is often based on linear FEA with rather large elements. The inelastic behavior of reinforced concrete can lead to significant load redistributions which can only be predicted using non-linear FEA (NLFEA). This work aims at developing a method for performing large...conference paper 2014
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- Hendriks, A.T.W.M. (author), Dunne, S.C. (author), Van de Giesen, N.C. (author) journal article 2014
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Van Dooren, M.M.M. (author), Spijkerman, R. (author), Goossens, R.H.M. (author), Hendriks, V.M. (author), Visch, V.T. (author)One of the main objectives in game design is to create game experiences that enhance the motivation to start and continue to play the game. To gain insight into which game experiences can be evolved by the game, designers have been using PLEX cards in the user input phase or in the product evaluation phase of the design process. However, to our...conference paper 2014
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Abrahamsen, A.B. (author), Magnusson, N. (author), Liu, D. (author), Stehouwer, E. (author), Hendriks, B. (author), Polinder, H. (author)A superconducting direct drive generator based on field windings of MgB2 superconducting tape is proposed as a solution by mounting the generator in front of the blades using a king-pin nacelle design for offshore turbines with power ratings larger than 10 MW as investigated in the INNWIND.EU project.conference paper 2014
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Chang, C. (author), Borgart, A. (author), Chen, A. (author), Hendriks, M.A.N. (author)This paper proposes an efficient and reliable topology optimization method that can obtain a black and white solution with a low objective function value within a few tens of iterations. First of all, a transformation of variables technique is adopted to eliminate the constraints on the design variables. After that, the optimization problem is...journal article 2014
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De Haan, J. (author), Hendriks, R. (author)The house price index compiled by Statistics Netherlands relies on the Sale Price Appraisal Ratio (SPAR) method. The SPAR method combines selling prices with prior government assessments of properties. This paper outlines an alternative approach where the appraisals serve as auxiliary information in a generalized regression (GREG) framework. An...journal article 2013
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Esposito, R. (author), Hendriks, M.A.N. (author)The Alkali-Silica Reaction is a harmful reaction which can compromise the integrity and capacity of concrete structures. Due to its nature, a multiscale material model has been chosen to perform structural analyses. The model aims to couple the chemical and mechanical effects in order to characterize the affected concrete into the structures,...conference paper 2013
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Esposito, R. (author), Hendriks, M.A.N. (author)One of the most harmful degradation process for concrete structures is the alkali-silica reaction. This process starts at aggregate level with a gel swelling and can produce damage up to macro level, by compromising the integrity and capacity of the structure. In order to better understand the complex nature of this phenomenon, a multiscale...conference paper 2013
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- Slobbe, A.T. (author), Hendriks, M.A.N. (author), Rots, J.G. (author) conference paper 2013
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Belletti, B. (author), Damoni, C. (author), Hendriks, M.A.N. (author)Three years ago, the Dutch Ministry of Infrastructure and the Environment initiated a project to re-evaluate the carrying capacity of existing bridges and viaducts (e.g. reinforced and pre-stressed concrete beams and slabs). Due to the increase of traffic and the reallocation of emergency lanes to traffic lanes, the safety verification of some...conference paper 2013
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Kappen, J.M.J. (author), Giardina, G. (author), Hendriks, M.A.N. (author), Rots, J.G. (author)The development of infrastructure in major cities often involves tunnelling, which can cause damage to existing structures. Therefore, these projects require a careful prediction of the risk of settlement induced damage. The simplified approach of current methods cannot account for three-dimensional structural aspects of buildings, which can...conference paper 2013
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Slobbe, A.T. (author), Hendriks, M.A.N. (author), Rots, J.G. (author)This paper presents a dedicated numerical test that enables to assess the directional mesh bias of constitutive models in a systematic way. The test makes use of periodic boundary conditions, by which strain localization can be analyzed for different mesh alignments with preservation of mesh uniformity and with exclusion of boundary disturbances...conference paper 2013
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Belletti, B. (author), Damoni, C. (author), Hendriks, M.A.N. (author), Den Uijl, J.A. (author)According to the new fib Model Code 2010 the design shear resistance of a reinforced concrete (RC) structure can be evaluated through analytical and numerical calculation methods that fall into four different levels of approximations; the complexity and the accuracy of the calculated shear resistance increases with increasing the level of...conference paper 2013
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Van der Maaten, L.J.P. (author), Hendriks, E.A. (author)Automatic facial expression recognition is an important problem in social signal processing that has applications ranging from treatment of autistic children to monitoring of conflict situations [6]. In psychology, facial expressions are generally described using the Facial Action Coding System (FACS; [2]), in which each facial muscle is...conference paper 2012
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- Giardina, G. (author), Marini, A. (author), Hendriks, M.A.N. (author), Rots, J.G. (author), Rizzardini, F. (author), Giuriani, E. (author) report 2012
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Esposito, R. (author), Hendriks, M.A.N. (author)The Alkali-Silica Reaction (ASR) can generate harmful effects in the concrete structures. In this paper the degradation of the mechanical properties of ASR-affected concrete is studied by comparing the experimental results available in literature. An overview of the macroscopic material modelling approaches related to this aspect is given....conference paper 2012
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Esposito, R. (author), Hendriks, M.A.N. (author)In this paper the anisotropic behavior of ASR swelling is simulated through a 1D smeared crack model. The choice of the engineering properties is discussed, in particular for the evolution of the tensile strength and the Young’s modulus during the swelling. The last one is used as the main indicator for ASRrelated damage. The model is hampered...conference paper 2012