Michał Mrozowski - Publikacje - MOST Wiedzy

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Filtry

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Katalog Publikacji

Rok 2018
Rok 2022
Rok 2004
Rok 2002
Rok 2017
Rok 2023
Rok 2019
Rok 2012
Rok 2020
  • Deflated Preconditioned Solvers for Parametrized Local Model Order Reduction
    Publikacja

    - Rok 2020

    One of steps in the design of microwave filters is numerical tuning using full-wave simulators. Typically, it is a time-consuming process as it uses advanced computational methods, e.g. the finite-element method (FEM) and it usually requires multiple optimization steps before the specification goals are met. FEM involves solving a large sparse system of equations at many frequency points and therefore its computational cost is...

  • Electromagnetic Simulation with 3D FEM for Design Automation in 5G Era

    Electromagnetic simulation and electronic design automation (EDA) play an important role in the design of 5G antennas and radio chips. The simulation challenges include electromagnetic effects and long simulation time and this paper focuses on simulation software based on finite-element method (FEM). The state-of-the-art EDA software using novel computational techniques based on FEM can not only accelerate numerical analysis, but...

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Rok 2011
Rok 2014
Rok 2008
Rok 2016
  • Effect of mesh deformation on the accuracy of 3D FEM electromagnetic analysis
    Publikacja

    In this paper, the accuracy of 3D FEM electromagnetic simulations in parametric analysis using mesh deformation techniques is discussed. Mesh deformation techniques allow one to preserve the mesh topology while the geometry is changed. It is shown that the application of mesh deformation can provide accurate simulation results even for very large deformations. On the other hand, it is also shown that the technique has to be used...

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  • Fast Full-Wave Multilevel Zero-Pole Optimization of Microwave Filters

    A new concept is proposed for the full-wave computer-aided design of microwave filters. The method consists of two stages and operates on the zeros and poles of the transfer function and their derivatives. These quantities are evaluated from the response computed by a full-wave electromagnetic solver with two levels of accuracy. The two stages make use of different models that are optimized using a low-accuracy electromagnetic...

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  • Geometry Parametric Model Order Reduction with Randomly Generated Projection Bases
    Publikacja

    - Rok 2016

    In this work, a reduced-order model for geometry parameters and fast frequency sweep is proposed. The Finite Element Method is used to solve time-harmonic Maxwell’s equations. Taking into account the electromagnetic field does not arbitrarily vary as a function of frequency and geometry parameters, a low dimension system manifold is identified. Thus, the original Finite Element problem can be approximated by a model of reduced...

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Rok 2003
Rok 2005
Rok 2007
Rok 2006
  • Evaluation of accuracy of surrogate models
    Publikacja

    Artykuł przestawia statystyczne podejście do oceny dokładności modeli zastępczych. Prezentowana jest miara dokładności bazująca na dystrybucji błędów w zbiorze testowym. Praca zawiera dyskusję na temat oceny dokładności samego modelu oraz zasadności wyboru kryterium zatrzymującego proces automatycznego tworzenia modelu.

Rok 2021
Rok 2024
Rok 2013

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