Search Results - "Georg, Niklas"

An hp‐adaptive multi‐element stochastic collocation method for surrogate modeling with information re‐use by Galetzka, Armin, Loukrezis, Dimitrios, Georg, Niklas, De Gersem, Herbert, Römer, Ulrich

“…This article introduces an hp$$ hp $$‐adaptive multi‐element stochastic collocation method, which additionally allows to re‐use existing model evaluations…”
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Mode Recognition by Shape Morphing for Maxwell's Eigenvalue Problem in Cavities by Ziegler, Anna, Georg, Niklas, Ackermann, Wolfgang, SchD'ops, Sebastian

“…In electrical engineering, for example during the design of superconducting radio-frequency cavities, eigenmodes must be identified based on their field…”
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Conformally mapped polynomial chaos expansions for Maxwell's source problem with random input data by Georg, Niklas, Römer, Ulrich

“…Generalized Polynomial Chaos (gPC) expansions are well established for forward uncertainty propagation in many application areas. Although the associated…”
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Mode Recognition by Shape Morphing for Maxwell's Eigenvalue Problem by Ziegler, Anna, Georg, Niklas, Ackermann, Wolfgang, Schöps, Sebastian

“…In electrical engineering, for example during the design of superconducting radio-frequency cavities, eigenmodes must be identified based on their field…”
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Yield Optimization based on Adaptive Newton-Monte Carlo and Polynomial Surrogates by Fuhrländer, Mona, Georg, Niklas, Römer, Ulrich, Schöps, Sebastian

“…Int.J.UncertaintyQuantification 10, 4 (2020) p. 351-373 In this paper we present an algorithm for yield estimation and optimization exploiting Hessian based…”
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Enhanced adaptive surrogate models with applications in uncertainty quantification for nanoplasmonics by Georg, Niklas, Loukrezis, Dimitrios, Römer, Ulrich, Schöps, Sebastian

“…International Journal for Uncertainty Quantification, 10(2):165-193, 2020 We propose an efficient surrogate modeling technique for uncertainty quantification…”
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Uncertainty Quantification for Maxwell's Eigenproblem based on Isogeometric Analysis and Mode Tracking by Georg, Niklas, Ackermann, Wolfgang, Corno, Jacopo, Schöps, Sebastian

“…Comput. Method Appl. M., 350(15): 228-244, 2019 The electromagnetic field distribution as well as the resonating frequency of various modes in superconducting…”
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Uncertainty quantification for Maxwell’s eigenproblem based on isogeometric analysis and mode tracking by Georg, Niklas, Ackermann, Wolfgang, Corno, Jacopo, Schöps, Sebastian

“…The electromagnetic field distribution as well as the resonating frequency of various modes in superconducting cavities used in particle accelerators for…”
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Uncertainty Modeling and Analysis of the European X-ray Free Electron Laser Cavities Manufacturing Process by Corno, Jacopo, Georg, Niklas, Zadeh, Shahnam Gorgi, Heller, Johann, Gubarev, Vladimir, Roggen, Toon, Römer, Ulrich, Schmidt, Christian, Schöps, Sebastian, Schultz, Julius, Sulimov, Alexey, van Rienen, Ursula

“…This paper reports on comprehensive efforts on uncertainty quantification and global sensitivity analysis for accelerator cavity design. As a case study object…”
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Optimization and uncertainty quantification of gradient index metasurfaces [Invited] by Schmitt, Nikolai, Georg, Niklas, Brière, Gauthier, Loukrezis, Dimitrios, Héron, Sébastien, Lanteri, Stéphane, Klitis, Charalambos, Sorel, Marc, Römer, Ulrich, De Gersem, Herbert, Vézian, Stéphane, Genevet, Patrice

“…The design of intrinsically flat two-dimensional optical components, i.e., metasurfaces, generally requires an extensive parameter search to target the…”
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Conformally Mapped Polynomial Chaos Expansions for Maxwell's Source Problem with Random Input Data by Georg, Niklas, Römer, Ulrich

“…International Journal of Numerical Modelling: Electronic Networks, Devices and Fields 33.6 (2020): e2776 Generalized Polynomial Chaos (gPC) expansions are well…”
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Rational kernel-based interpolation for complex-valued frequency response functions by Bect, Julien, Georg, Niklas, Römer, Ulrich, Schöps, Sebastian

“…This work is concerned with the kernel-based approximation of a complex-valued function from data, where the frequency response function of a partial…”
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An $hp$-adaptive multi-element stochastic collocation method for surrogate modeling with information re-use by Galetzka, Armin, Loukrezis, Dimitrios, Georg, Niklas, De Gersem, Herbert, Römer, Ulrich

“…This paper introduces an $hp$-adaptive multi-element stochastic collocation method, which additionally allows to re-use existing model evaluations during…”
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