Searched for: subject%3A%22SD%255C%2B%255C-%255C%2BStructural%255C%2BDynamics%22
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Gómez, S.S. (author), Metrekine, A. (author)The aim of this paper is to identify the local energy dissipation in a lab-scale structure by means of the energy flow analysis. In most of the existing approaches the damping is identified either in terms of the modal damping factors or at the material scale. In this paper, an alternative method to these global and material-based approaches by...conference paper 2017
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Bronkhorst, A.J. (author), Geurts, C.P.W. (author), van Bentum, C.A. (author), van der Knaap, L.P.M. (author), Pertermann, I. (author)An atmospheric boundary layer wind tunnel study was performed to determine the overall horizontal wind load on multi-span duo-pitch greenhouses. The results of this study are intended for the stability design of inflexible Gladding system greenhouses (designated as Class A in EN 13031-1) with roof pitch angles of 23-24' and ridge heights of 7.5...article 2017
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Hulsbosch-Dam, C.E.C. (author), Atli-Veltin, B. (author), Kamperveen, J. (author), Velthuis, H. (author), Reinders, J.E.A. (author), Spruijt, M.P.N. (author), Vredeveldt, A.W. (author)Mechanical behaviour of a Liquefied Natural Gas (LNG) tank and the thermodynamic behaviour of its containment under extreme heat load - for instance when subjected to external fire source as might occur during an accident -Are extremely important when addressing safety concerns. In a scenario where external fire is present and consequent release...conference paper 2017
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Allaix, D.L. (author), Geurts, C.P.W. (author)Several design guidelines and codes [1-5] prescribe limit values for the intensity of different types of vibrations. Even though it is possible to find some background documents of those guidelines [6], to the best knowledge of the authors of this report, the limit values are based on experience. Despite the fact that some guidelines [2-3]...report 2017
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Geurts, C.P.W. (author)De toepassing van zonne-energiesystemen op hellende daken neemt een grote vlucht. Niet alleen nieuwe daken worden van zonnepanelen en zonneboilers voorzien, ook op reeds bestaande daken worden zonne-energiesystemen aangebracht. De bevestiging van deze systemen moet zodanig zijn ontworpen dat deze de belastingen als gevolg van het eigen gewicht,...article 2016
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- Geurts, C.P.W. (author), Bronkhorst, A.J. (author), Allaix, D. (author) public lecture 2016
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Darlow, M. (author), Paulissen, J.H. (author)As part of an extensive renovation program, Arup Netherlands delivered engineering services for the strengthening and renovation of 8 large steel bridges in the Dutch highway network. Strengthening of the riveted splice connections at the ends of the hangers of a steel arch bridge on the Dutch A2 motorway represented a significant challenge to...conference paper 2016
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Hoogeland, M.G. (author), Vredeveldt, A.W. (author), Leon-Morales, C.F. (author)Safety of ships and offshore installations is continuously an area of attention for owners, operators and authorities. Standard practice of today requires regular inspections of the hull and machinery. The results of inspections as carried out by various parties may well not be shared amongst each other. This means that enormous amounts of data...conference paper 2016
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Courage, W.M.G. (author), Dragt, R.C. (author), Pijpers, R.J.M. (author), Maljaars, J. (author), Walters, C.L. (author), van der Weijde, G.D. (author)design driver for Offshore Wind Turbine (OWT) substructures and also has an im-pact on operational costs. During service life, inspections are required to detect fa-tigue cracks at an early stage. These cracks may need to be repaired. The costs of in-spections and repair are high for offshore structures. To reduce the cost of energy, it is...article 2016
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Eijk, A. (author), de Lange, T.J. (author), de Vreugd, J. (author), Slis, E.J.P. (author)Reciprocating compressors generate vibrations caused by pulsation-induced forces, mechanical (unbalanced) free forces and moments, crosshead guide forces and cylinder stretch forces. The traditional way of mitigating the vibration and cyclic stress levels to avoid fatigue failure of parts of the reciprocating compressor system (piping,...conference paper 2016
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Hébrard, J. (author), Jamois, D. (author), Proust, C. (author), Spruijt, M. (author), Hulsbosch-Dam, C.E.C. (author), Molag, M. (author), Messina, E. (author)The scale of proposed carbon dioxide (CO2) capture and storage (CCS) chains also draws attention to the hazards posed by the transport mode, enabling the link from source to sink. As such, the adverse consequences of an accidental release from transport pipelines or other equipment containing CO2 at high pressure in a dense-phase (supercritical...conference paper 2016
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Walters, C.L. (author), Alvaro, A. (author), Maljaars, J. (author)The Fatigue Ductile–Brittle Transition (FDBT) is a phenomenon similar to the fracture ductile to brittle transition, in which the fracture mode of the fatigue cracks changes from ductile transgranular to cleavage and/or grain boundary separation. Fatigue at temperatures below the FDBT has a much different crack growth rate than fatigue above...article 2016
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Zhang, X. (author), Noel, N. (author), Ferrari, G. (author), Hoogland, M.G. (author)Failures of mooring lines on floating production, storage and offloading systems (FPSOs) raise concern to the offshore industry. Localized corrosion of mooring chain is regarded as one of main failure mechanisms. The project of Localized Mooring Chain Corrosion (LMCC) is aiming at studying the mechanism of local corrosion on mooring chain steel...conference paper 2016
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van Vugt, J. (author)The INOMANS2HIP project aimed to create advanced ship systems models to investigate alternativeconference paper 2016
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Salman, Y. (author), Otheguy, M.E. (author), Maljaars, J. (author), Dragt, R.C. (author), van der Putten, S. (author)Offshore Wind power is considered one of the fastest growing maritime sectors and the most promising sources of ‘clean’ energy towards meeting the European targets for 2020 and 2050. The growth of the sector has also been mirrored in other continents like China and US. The technology keeps rapidly growing and the top offshore turbine makers in...article 2016
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Dragt, R.C. (author), Maljaars, J. (author), Tuitman, J.T. (author), Salman, Y. (author), Otheguy, M.E. (author)Retardation is a load sequence effect, which causes a reduced fatigue crack growth rate after an overload is encountered. Retardation can be cancelled when the overload is followed by an underload. The net effect is beneficial to the fatigue lifetime of Offshore Wind Turbines (OWTs). To be able to take this into account, computationally...conference paper 2016
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Geurts, C.P.W. (author)De gebouwschil wordt steeds meer gebruikt voor de opwekking van energie. Dit is dan ook een gebied waar veel innovaties mogelijk zijn. Diverse partijen zijn hier druk mee bezig. In het kader van de Dutch Green Building Week toonde TNO op 28 september 2016 tijdens het minisym-posium 'Energie producerende gebouwde omgeving' de laatste ontwikkelingenarticle 2016
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van der Wal, R. (author), Meuers, R.J.C. (author)HARNESS is a joint project between governments, industry and TNO with the objective to develop a multifunctional protective bulkhead for application on naval vessels. The multifunctional bulkhead aims at increasing the resilience of naval vessels, reduce damage and repair time and provide a safer environment for crew and equipment against...conference paper 2016
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Autar, N. (author), Hoogeland, M.G. (author), Vredeveldt, A.W. (author)Current practice in crash analysis on maritime structures uses rupture strain as a single parameter failure criterion. The criterion assumes a plane strain condition irrespective of the actual stress state. However ship and offshore structures, exposed to actual collisions or groundings may well deform in different ways and exhibit other strain...conference paper 2016
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Atli-Veltin, B. (author), Dekker, R. (author), Brunner, S.K. (author), Walters, C.L. (author)Depending on the state of stress, material can fait in a number of different modes during a collision. Three modes are identified here as material separation in the absence of necking, material separation after the onset of necking, and localized buckling/wrinkling. Through a series of case studies, the states of stress present in a collision...conference paper 2016
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