2024

Galetzka, Armin ; Loukrezis, Dimitrios ; De Gersem, Herbert (2024)
Data‐driven model‐free modified nodal analysis circuit solver.
In: International Journal of Numerical Modelling : Electronic Networks, Devices and Fields, 37 (2)
doi: 10.1002/jnm.3205
Artikel, Bibliographie

2023

Galetzka, Armin ; Loukrezis, Dimitrios ; Georg, Niklas ; De Gersem, Herbert ; Römer, Ulrich (2023)
An hp-adaptive multi-element stochastic collocation method for surrogate modeling with information re-use.
In: International Journal for Numerical Methods in Engineering, 124 (12)
doi: 10.1002/nme.7234
Artikel, Bibliographie

2022

Galetzka, Armin ; Loukrezis, Dimitrios ; De Gersem, Herbert (2022)
Three-dimensional data-driven magnetostatic field computation using real-world measurement data.
In: COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, 41 (2)
doi: 10.1108/COMPEL-06-2021-0219
Artikel, Bibliographie

2021

Galetzka, Armin ; Loukrezis, Dimitrios ; De Gersem, Herbert (2021)
Data-driven solvers for strongly nonlinear material response.
In: International Journal for Numerical Methods in Engineering, 122 (6)
doi: 10.1002/nme.6589
Artikel, Bibliographie

2020

De Gersem, Herbert ; Galetzka, Armin ; Ion, Ion Gabriel ; Loukrezis, Dimitrios ; Römer, Ulrich (2020)
Magnetic field simulation with data-driven material modeling.
In: IEEE Transactions on Magnetics, 56 (8)
doi: 10.1109/TMAG.2020.3002092
Artikel, Bibliographie

Loukrezis, Dimitrios ; De Gersem, Herbert (2020)
Approximation and Uncertainty Quantification of Systems with Arbitrary Parameter Distributions Using Weighted Leja Interpolation.
In: Algorithms, 13 (3)
doi: 10.3390/a13030051
Artikel, Bibliographie

Loukrezis, Dimitrios ; Galetzka, Armin ; De Gersem, Herbert (2020)
Robust adaptive least squares polynomial chaos expansions in high-frequency applications.
In: International Journal of Numerical Modelling: Electronic Networks, Devices and Fields
doi: 10.1002/jnm.2725
Artikel, Bibliographie

2019

Loukrezis, Dimitrios (2019)
Adaptive approximations for high-dimensional uncertainty quantification in stochastic parametric electromagnetic field simulations.
Technische Universität Darmstadt
Dissertation, Erstveröffentlichung

Schmitt, Nikolai ; Georg, Niklas ; Gauthier, Brière ; Loukrezis, Dimitrios ; Héron, Sébastien ; Lanteri, Stéphane ; Klitis, Charalambos ; Sorel, Marc ; Römer, Ulrich ; De Gersem, Herbert ; Vézian, Stéphane ; Genevet, Patrice (2019)
Optimization and uncertainty quantification of gradient index metasurfaces.
In: Optical Materials Express, 9 (2)
doi: 10.1364/OME.9.000892
Artikel, Bibliographie

Loukrezis, Dimitrios ; Römer, Ulrich ; De Gersem, Herbert (2019)
Assessing the Performance of Leja and Clenshaw-Curtis Collocation for Computational Electromagnetics with Random Input Data.
In: International Journal for Uncertainty Quantification, 9 (1)
doi: 10.1615/Int.J.UncertaintyQuantification.2018025234
Artikel, Bibliographie

Loukrezis, Dimitrios ; Römer, Ulrich ; De Gersem, Herbert (2019)
Adaptive Interpolation and Regression Methods for Uncertainty Quantification in Computational Electromagnetics.
3rd International Conference on Uncertainty Quantification in Computational Sciences and Engineering (UNCECOMP 2019). Crete, Greece (24.06.2019-26.06.2019)
Konferenzveröffentlichung, Bibliographie

Loukrezis, Dimitrios ; Römer, Ulrich ; De Gersem, Herbert (2019)
Assessing the Performance of Leja and Clenshaw-Curtis Collocation for Computational Electromagnetics with Random Input Data.
In: International Journal for Uncertainty Quantification, 2019
Artikel, Bibliographie

2018

Ion, Ion Gabriel ; Bontinck, Zeger ; Loukrezis, Dimitrios ; Römer, Ulrich ; Lass, Oliver ; Ulbrich, Stefan ; Schöps, Sebastian ; De Gersem, Herbert (2018)
Robust Shape Optimization of Electric Devices Based on Deterministic Optimization Methods and Finite Element Analysis With Affine Decomposition and Design Elements.
In: Electrical Engineering (Archiv für Elektrotechnik)
doi: 10.1007/s00202-018-0716-6
Artikel, Bibliographie

Georg, Niklas ; Loukrezis, Dimitrios ; Römer, Ulrich ; Schöps, Sebastian (2018)
Uncertainty Quantification for an Optical Grating Coupler with Adjoint-based Adaptive Collocation.
Workshop on Advances in Electromagnetic Research — KWT 2018. Rietzlern, Austria
Konferenzveröffentlichung, Bibliographie

Bontinck, Zeger ; Ion, Ion Gabriel ; Loukrezis, Dimitrios ; Römer, Ulrich ; Schöps, Sebastian ; De Gersem, Herbert (2018)
Using Affine Decompositions and Design Elements for Geometric Parametrization.
Workshop on Advances in Electromagnetic Research — KWT 2018. Rietzlern, Austria
Konferenzveröffentlichung, Bibliographie

Ion, Ion Gabriel ; Loukrezis, Dimitrios ; Römer, Ulrich ; Bontinck, Zeger ; Schöps, Sebastian ; Lass, Oliver ; Ulbrich, Stefan ; De Gersem, Herbert (2018)
Shape Optimization of Electric Devices Combining a Deterministic Optimization Method With Design Elements.
11th International Symposium on Electric and Magnetic Fields (EMF 2018).
Konferenzveröffentlichung, Bibliographie

Loukrezis, Dimitrios ; Römer, Ulrich ; Casper, Thorben ; Schöps, Sebastian ; De Gersem, Herbert (2018)
High Dimensional Uncertainty Quantification for an Electrothermal Field Problem using Stochastic Collocation on Sparse Grids and Tensor Train Decomposition.
In: International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, 31 (2)
Artikel, Bibliographie

Loukrezis, Dimitrios ; Römer, Ulrich ; De Gersem, Herbert (2018)
Adaptive Sparse Interpolation Methods for Electromagnetic Field Computation with Random Input Data.
2018 SIAM Conference on Uncertainty Quantification. Garden Grove, USA (16.04.2018-19.04.2018)
Konferenzveröffentlichung, Bibliographie

Loukrezis, Dimitrios ; Römer, Ulrich ; De Gersem, Herbert (2018)
Approximation of Scattering Parameters for Broadband Waveguide Models with Random Inputs using Adaptive Sparse Grids.
11th International Symposium on Electric and Magnetic Fields (EMF). Darmstadt, Germany (10.04.2018-12.04.2018)
Konferenzveröffentlichung, Bibliographie

Loukrezis, Dimitrios ; Römer, Ulrich ; De Gersem, Herbert (2018)
A Hierarchical Interpolation Method for Approximating a Stern-Gerlach Magnet Model with Geometrical Uncertainties.
18th Biennial IEEE Conference on Electromagnetic Field Computation. Hangzhou, China (28.10.2018-31.10.2018)
Konferenzveröffentlichung, Bibliographie

Briere, Gauthier ; Genevet, Patrice ; Schmitt, Nikolai ; Lanteri, Stéphane ; Scheid, Claire ; Georg, Niklas ; Loukrezis, Dimitrios ; Römer, Ulrich (2018)
High Efficiency Gradient Index GaN Metasurfaces.
Nanophotonics and Micro/Nano Optics International Conference. Rom, Italy (01.10.2018-03.10.2018)
Konferenzveröffentlichung, Bibliographie

Loukrezis, Dimitrios ; Römer, Ulrich ; Casper, Thorben ; Schöps, Sebastian ; De Gersem, Herbert (2018)
High-dimensional uncertainty quantification for an electrothermal field problem using stochastic collocation on sparse grids and tensor train decompositions.
In: International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, 2018
Artikel, Bibliographie

Ion, Ion Gabriel ; Bontinck, Zeger ; Loukrezis, Dimitrios ; Römer, Ulrich ; Lass, Oliver ; Ulbrich, Stefan ; Schöps, Sebastian ; De Gersem, Herbert (2018)
Robust Shape Optimization of Electric Devices Based on Deterministic Optimization Methods and Finite-Element Analysis with Affine Parametrization and Design Elements.
In: Electrical Engineering (Springer Verlag), 100 (4)
Artikel, Bibliographie

2017

Loukrezis, Dimitrios ; Römer, Ulrich ; De Gersem, Herbert (2017)
Leja-Based Adaptive Sparse Grids for High-Dimensional Uncertainty Quantification in Scattering Parameter Simulations.
Proceedings of the 4th International Conference on Computational Engineering.
Konferenzveröffentlichung, Bibliographie

Loukrezis, Dimitrios ; Römer, Ulrich ; De Gersem, Herbert (2017)
Leja-Based Adaptive Sparse Grids for Uncertainty Quantification in High-Frequency Electromagnetics.
Kleinheubacher Berichte.
Konferenzveröffentlichung, Bibliographie

2016

Loukrezis, Dimitrios ; Römer, Ulrich ; Casper, Thorben ; Schöps, Sebastian ; De Gersem, Herbert (2016)
Application of High Dimensional Uncertainty Quantification Methods to Electrothermal Field Problems.
10th International Symposium on Electric and Magnetic Fields (EMF 2016).
Konferenzveröffentlichung, Bibliographie