Searched for:
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document
Norambuena-Contreras, J. (author), Gonzalez, A (author), Concha, J. L. (author), Gonzalez-Torre, I. (author), Schlangen, E. (author)
This paper aims to evaluate the effect of metallic waste addition on the electrical, thermophysical and microwave crack-healing properties of asphalt mixtures. With this purpose, asphalt mixtures with two different types of metallic waste, steel wool fibres and steel shavings, added in four different contents, were tested. Electrical and...
journal article 2018
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Gonzalez, E. (author), Tautz-Weinert, J. (author), Jimenez-Melero, E (author), Watson, S.J. (author)
Operational data from wind farms is crucial for wind turbine condition monitoring and performance assessment. In this paper, we analyse three wind farms with the aim to monitor environmental and operational conditions that might result in underperformance or failures. The assessment includes a simple wind speed characterisation and wake...
journal article 2018
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Schepers, J.G. (author), Boorsma, K (author), Sorensen, NN (author), Voutsinas, V. (author), Sieros, G (author), Rahimi, H. (author), Heisselmann, H. (author), Jost, E. (author), Lutz, T. (author), Maeder, T. (author), Gonzalez, A (author), Simao Ferreira, C. (author), Stoevesandt, B (author), Barakos, G. (author), Lampropoulos, N. (author), Croce, A. (author), Madsen, J. (author)
This paper presents final results from the EU project AVATAR in which aerodynamic models are improved and validated for wind turbines on a scale of 10 MW and more. Special attention is paid to the improvement of low fidelity engineering (BEM based) models with higher fidelity (CFD) models but also with intermediate fidelity free vortex wake ...
journal article 2018
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Simao Ferreira, C. (author), Gonzalez, A (author), Baldacchino, D. (author), Aparicio, M. (author), Gomez, S (author), Munduate, X (author), Ramos Garcia, N (author), Sørensen, Jens Nørkær (author), Jost, E. (author), Knecht, S. (author), Lutz, T. (author), Chassapogiannis, P. (author), Diakakis, K. (author), Papadakis, G (author), Voutsinas, S. (author), Prospathopoulos, J. (author), Gillebaart, T. (author), van Zuijlen, A.H. (author)
The FP7 AdVanced Aerodynamic Tools for lArge Rotors - Avatar project aims to develop and validate advanced aerodynamic models, to be used in integral design codes for the next generation of large scale wind turbines (10-20MW). One of the approaches towards reaching rotors for 10-20MW size is the application of flow control devices, such as...
journal article 2016
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Ceyhan, J. G Schepers O (author), Ceyhan, O (author), Boorsma, K (author), Gonzalez, A (author), Munduate, X (author), Pires, O (author), Sørensen, Jens Nørkær (author), Simao Ferreira, C. (author), Sieros, G (author), Madsen, J. (author), Voutsinas, S. (author), Lutz, T. (author), Barakos, G. (author), Colonia, S. (author), Heißelmann, H. (author), Meng, F. (author), Croce, A. (author)
This paper presents the most recent results from the EU project AVATAR in which aerodynamic models are improved and validated for wind turbines on a scale of 10 MW and more. Measurements on a DU 00-W-212 airfoil are presented which have been taken in the pressurized DNW-HDG wind tunnel up to a Reynolds number of 15 Million. These measurements...
journal article 2016
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Gonzalez, A. (author), Piel, E. (author), Gross, H.G. (author), Van Gemund, A.J.C. (author)
Runtime testing is emerging as the solution for the integration and assessment of highly dynamic, high availability software systems where traditional development-time integration testing cannot be performed. A prerequisite for runtime testing is the knowledge about to which extent the system can be tested safely while it is operational, i.e.,...
report 2010
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Gonzalez, R.A. (author)
Crisis response efforts often require coordinating a previously unknown adhocracy of agencies under time pressure. While current technologies that support coordination are successful for well-defined static process descriptions, they may fall short in the face of more complex and unpredictable scenarios, such as a crisis or emergency. Using...
doctoral thesis 2010
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Gonzalez, A. (author), Piel, E.A.B. (author), Gross, H.G. (author), Van Gemund, A.J.C. (author)
Paper submitted for review at QSIC'10 Test prioritization techniques select test cases that maximize the confidence on the correctness of the system when the resources for quality assurance (QA) are limited. In the event of a test failing, the fault at the root of the failure has to be localized, adding an extra debugging cost that has to be...
report 2009
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Gonzalez, A. (author), Piel, E. (author), Gross, H.G. (author)
Version: Accepted as short paper at QSIC 2009. Runtime testing is emerging as the solution for the integration and assessment of highly dynamic, high availability software systems where traditional development-time integration testing is too costly, or cannot be performed. However, in many situations, an extra cost will have to be invested in...
report 2009
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Gonzalez, R.A. (author)
This paper presents a crisis response simulation model architecture combining a discrete-event simulation (DES) environment for a crisis scenario with an agent-based model of the response organization. In multi-agent systems (MAS) as a computational organization, agents are modeled and implemented separately from the environmental model. We...
conference paper 2009
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Gonzalez, A. (author), Piel, E. (author), Gross, H.G. (author)
Software Systems of Systems (SoS) are large-scale distributed component-based systems in which the individual components are elaborate and complex systems in their own right. Distinguishing characteristics are their short expected integration and deployment time, and the need to modify their architecture at runtime, while preserving the...
report 2008
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Gonzalez, A. (author), Piel, E. (author), Gross, H.G. (author)
Preprint of paper published in: ASE 2008 - 23rd IEEE/ACM International Conference on Automated Software Engineering, 15-19 September 2008; doi:10.1109/ASEW.2008.4686292 Systems-of-Systems (SoS) represent a novel kind of system, for which runtime evolution is a key requirement, as components join and leave during runtime. Current component...
report 2008
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Abreu, R.F. (author), Gonzalez, A. (author), Zoeteweij, P. (author), Van Gemund, A.J.C. (author)
Preprint of paper published in: ENASE 2008 - Proceedings of the 3rd International Conference on Evaluation of Novel Approaches to Software Engineering, 4-7 May 2008 Fault screeners are simple software (or hardware) constructs that detect variable value errors based on unary invariant checking. In this paper we evaluate and compare the...
report 2008
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Gonzalez, A. (author), Piel, E. (author), Gross, H.G. (author)
Preprint of paper published in: TAIC PART 2008: Testing: Academic & Industrial Conference, Practice and Research Techniques, 29-31 August 2008; doi:10.1109/TAIC-PART.2008.14 Maritime Safety and Security systems represent a novel kind of large-scale distributed component-based systems in which the individual components are elaborate and complex...
report 2008
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Masson, C. (author), Johansen, J. (author), Sorensen, N.N. (author), Zahle, F. (author), Bak, C. (author), Madsen, H.A. (author), Politis, E. (author), Schepers, G. (author), Lindenburg, K. (author), Snel, H. (author), Van Rooij, R.P.J.O.M. (author), Arens, E.A. (author), Van Bussel, G.J.W. (author), Van Kuik, G.A.M. (author), Meng, F.Z. (author), Sant, T. (author), Knauer, A. (author), Moe, G. (author), Munduate, X. (author), Gonzalez, A. (author), Ferrer, E. (author), Gomez, S. (author), Barakos, G. (author), Ivanell, S. (author), Schreck, S. (author)
report 2008
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Gonzalez, L.F. (author), Periaux, J. (author), Whitney, E.J. (author), Srinivas, K. (author)
conference paper 2006
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Cacares, I. (author), Alsina, J.M. (author), Gonzalez, D. (author), Sierra, J.P. (author), Sanchez-Arcilla, A. (author)
Calibration of morphological coastline models when applying low crested structures as a measure to protect the coast. Calibration has been carried out using tata from Altafulla beach in Soain.
report 2003
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