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Wyniki wyszukiwania dla: computation
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Expedited optimization of antenna input characteristics with adaptive Broyden updates
PublikacjaSimulation-driven adjustment of geometry and/or material parameters is a necessary step in the design of contemporary antenna structures. Due to their topological complexity, other means, such as supervised parameter sweeping, does not usually lead to satisfactory results. On the other hand, rigorous numerical optimization is computationally expensive due to a high cost of underlying full-wave electromagnetic (EM) analyses, otherwise...
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Fast multi-objective design optimization of microwave and antenna structures using data-driven surrogates and domain segmentation
PublikacjaPurpose Strategies and algorithms for expedited design optimization of microwave and antenna structures in multi-objective setup are investigated. Design/methodology/approach Formulation of the multi-objective design problem oriented towards execution of the population-based metaheuristic algorithm within the segmented search space is investigated. Described algorithmic framework exploit variable fidelity modeling, physics- and...
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Rapid multi-objective optimization of antennas using nested kriging surrogates and single-fidelity EM simulation models
PublikacjaEver increasing performance requirements make the design of contemporary antenna systems a complex and multi-stage process. One of the challenges, pertinent to the emerging application areas but also some of the recent trends (miniaturization, demands for multi-functionality, etc.), is the necessity of handling several performance figures such as impedance matching, gain, or axial ratio, often over multiple frequency bands. The...
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Expedited antenna optimization with numerical derivatives and gradient change tracking
PublikacjaDesign automation has been playing an increasing role in the development of novel antenna structures for various applications. One of its aspects is electromagnetic (EM)-driven design closure, typically applied upon establishing the antenna topology, and aiming at adjustment of geometry parameters to boost the performance figures as much as possible. Parametric optimization is often realized using local methods given usually reasonable...
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Robust procedure for flow coefficient calculation. W: Recent advances in simulation, computational methods and soft computing. Ed. W. Nikos, E. Ma-torakis. New York: WSEAS Press**2002 s. 152-155, 5 rys. bibliogr. 7 poz. Krzepka procedura obliczania współczynnika przepływu.
PublikacjaW pracy przedstawiono efektywne i szybkie metody obliczania współczynnikaprzepływu powietrza na podstawie znanych: stosunku ciśnień statycznych i oporności dźwiekowej (patrz norma ISO6358).
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IEEE Symposium on Computational Intelligence in Bioinformatics and Computational Biology
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- Telomeres as targets for anticancer drug development - a computational approach
ProjektyProjekt realizowany w Wydział Chemiczny zgodnie z porozumieniem Homing Plus/2011-4/3 z dnia 2012-03-29
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Association of Computational Linguistics
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Formal and Computational Cryptography
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Computational Topology Workshop
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International Symposium on Computational Geometry (ACM Symposium on Computational Geometry)
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Computational Techniques and Applications Conference
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Dutch Computational Geometry Day
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European Conference on Computational Biology
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IEEE Conference on Computational Complexity
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European Association of Computational Linguistics
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Computational Methods in Water Resources
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International Conference on Computational Creativity
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Workshop on Computational Geometry and Applications
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International Conference on Computational Linguistics
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International Conference on Computational Science
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European Workshop on Computational Geometry
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Workshop on Computational and Conformal Geometry
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Runge-Kutta bicharacteristic methods for first order partial functional di- fferential equations
PublikacjaW pracy prezentujemy nową klasę metod numerycznych dla równań różniczkowo-funkcyjnych. Są to metody bicharakterystyk Rungego-Kutty. Ponadto porównuje-my wprowadzone metody z metodami klasycznymi.
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International Conference on Computational Intelligence and Security
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International Joint Conference on Computational Intelligence
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International Conference on Computational Engineering Science
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Foundations of Software Science and Computational Structures
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Conference of the Pacific Association for Computational Linguistics
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International Conference on Computational Molecular Biology
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Workshop on Computational Optimization [WCO-IMCSIT]
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Symposium on Computational Geometry for Mechanics and Applications
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International Conference on Computational Science and Applications
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IEEE Symposium on Computational Intelligence in Scheduling
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International Congress on Computational and Applied Mathematics
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International Symposium on Computational Life Science
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Computational Intelligence in Security for Information Systems
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International Conference on Computational Intelligence and Multimedia
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International Joint Conference on Computational Linguistics
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IEEE Computational Systems Bioinformatics Conference
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Workshop on Computational Graph Theory and Combinatorics
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North American Association for Computational Linguistics
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IEEE International Conference on Computational Cybernetics
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International Workshop on Developments in Computational Models
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Annual Fall Workshop on Computational Geometry
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Simulations of air and water flow in a model dike during overflow experiments
PublikacjaFlow in flood dikes, earth dams, and embankments occurs in variably saturated conditions, with pores of the earth material filled partly with water and partly with air. In routine engineering analysis, the influence of pore air is neglected and the air pressure is assumed equal to atmospheric. In some circumstances, for example, during overtopping of the dike by water, the effect of pore air on water flow and stability of the structure...
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4-Node combined shell element with semi-EAS-ANS strain interpolationsin 6-parameter shell theories with drilling degrees of freedom
PublikacjaW pracy sformułowano 4-węzłowy powłokowy element skończony klasy C0, w ramach nieliniowej 6-parametrowej teorii powłok. W celu uniknięcia zjawiska blokady (locking effect) wykorzystano technikę EAS do niesymetrycznych odkształceń membranowych i ANS do odkształceń poprzecznych.Przedstawiono przykłady potwierdzające poprawność sformułowania.
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Categorization of emotions in dog behavior based on the deep neural network
PublikacjaThe aim of this article is to present a neural system based on stock architecture for recognizing emotional behavior in dogs. Our considerations are inspired by the original work of Franzoni et al. on recognizing dog emotions. An appropriate set of photographic data has been compiled taking into account five classes of emotional behavior in dogs of one breed, including joy, anger, licking, yawning, and sleeping. Focusing on a particular...
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An isogeometric finite element formulation for frictionless contact of Cosserat rods with unconstrained directors
PublikacjaThis paper presents an isogeometric finite element formulation for nonlinear beams with impenetrability constraints, based on the kinematics of Cosserat rods with unconstrained directors. The beam cross-sectional deformation is represented by director vectors of an arbitrary order. For the frictionless lateral beam-to-beam contact, a surface-to-surface contact algorithm combined with an active set strategy and a penalty method...
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International Symposium on Applied Computational Intelligence and Informatics
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