20 citations · 48 across the 6 of their papers we have counts for
6 papers · 1 filter
Maximum-Projection-Based Bayesian Optimization Utilizing Sensitivity Analysis for High-Efficiency Radial Turbine Design with Scarce Data
Eric Diehl, Adem Tosun, Dimitrios Loukrezis
We propose a data-efficient workflow to optimize the efficiency of a radial turbine design under a strict budget of high-fidelity computational fluid dynamics simulations. Assuming…
Multivariate Sensitivity Analysis of Electric Machine Efficiency Maps and Profiles Under Design Uncertainty
Aylar Partovizadeh, Sebastian Schöps, Dimitrios Loukrezis
This work introduces the use of multivariate global sensitivity analysis for assessing the impact of uncertain electric machine design parameters on efficiency maps and profiles. C…
Multi-patch isogeometric neural solver for partial differential equations on computer-aided design domains
Moritz von Tresckow, Ion Gabriel Ion, Dimitrios Loukrezis
This work develops a computational framework that combines physics-informed neural networks with multi-patch isogeometric analysis to solve partial differential equations on comple…
Fourier-enhanced reduced-order surrogate modeling for uncertainty quantification in electric machine design
Aylar Partovizadeh, Sebastian Schöps, Dimitrios Loukrezis
This work proposes a data-driven surrogate modeling framework for cost-effectively inferring the torque of a permanent magnet synchronous machine under geometric design variations.…
Robust Adaptive Least Squares Polynomial Chaos Expansions in High-Frequency Applications
Dimitrios Loukrezis, Armin Galetzka, Herbert De Gersem
We present an algorithm for computing sparse, least squares-based polynomial chaos expansions, incorporating both adaptive polynomial bases and sequential experimental designs. The…
Enhanced adaptive surrogate models with applications in uncertainty quantification for nanoplasmonics
Niklas Georg, Dimitrios Loukrezis, Ulrich Römer +1
We propose an efficient surrogate modeling technique for uncertainty quantification. The method is based on a well-known dimension-adaptive collocation scheme. We improve the schem…