Parametrized local reduced-order models with compressed projection basis for fast parameter-dependent finite-element analysis

M Czarniewska, G Fotyga, A Lamecki… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper proposes an automated parametric local model-order reduction scheme for the
expedited design of microwave devices using the full-wave finite-element method (FEM) …

Multilevel model order reduction with generalized compression of boundaries for 3-D FEM electromagnetic analysis

G Fotyga, K Nyka, M Mrozowski - Progress In Electromagnetics Research, 2013 - jpier.org
This paper presents a multilevel Model Order Reduction technique for a 3-D electromagnetic
Finite Element Method analysis. The reduction process is carried out in a hierarchical way …

Efficient model order reduction for FEM analysis of waveguide structures and resonators

G Fotyga, K Nyka, M Mrozowski - Progress In Electromagnetics Research, 2012 - jpier.org
An efficient model order reduction method for three-dimensional Finite Element Method
(FEM) analysis of waveguide structures is proposed. The method is based on the Efficient …

Wideband macromodels in finite element method

G Fotyga, M Rewienski… - IEEE Microwave and …, 2015 - ieeexplore.ieee.org
This letter proposes a novel projection technique for accelerating Finite Element Method
simulations. The algorithm is based on the Second-order Arnoldi Method for Passive Order …

Diagonalized macromodels in finite element method for fast electromagnetic analysis of waveguide components

K Nyka - Electronics, 2019 - mdpi.com
A new technique of local model-order reduction (MOR) in 3-D finite element method (FEM)
for frequency-domain electromagnetic analysis of waveguide components is proposed in …

Efficient analysis of structures with rotatable elements using model order reduction

G Fotyga, K Nyka - Radioengineering, 2016 - mostwiedzy.pl
This paper presents a novel full-wave technique which allows for a fast 3D finite element
analysis of waveguide structures containing rotatable tuning elements of arbitrary shapes …

Reduced order models in computational electromagnetics (in memory of Ruediger Vahldieck)

G Fotyga, P Kowalczyk, L Kulas, K Nyka… - 2012 Asia-Pacific …, 2012 - ieeexplore.ieee.org
This paper reviews research of Ruediger Vahldieck's group and the group at the Gdansk
University of Technology in the area of model order reduction techniques for accelerating full …

A 3D-FEM mesh technique for fast analysis of waveguide problems containing rotatable tuning elements

G Fotyga, P Bielski, K Nyka - 2014 20th International …, 2014 - ieeexplore.ieee.org
In this paper a meshing technique for 3D Finite Element Method is presented. It allows for
fast analysis and optimization of the waveguide structures, which contain rotatable tuning …

Macro-elements and model order reduction for efficient three-dimensional FEM analysis

G Fotyga, K Nyka, L Kulas - 2012 19th International Conference …, 2012 - ieeexplore.ieee.org
An efficient model order reduction (MOR) methodology for three dimensional vector finite
element method (FEM) is developed to accelerate simulations of the structures containing …

[PDF][PDF] Makromodele w analizie problemów quasi-periodycznych i wieloskalowych metodą różnic skończonych

J Podwalski - 2014 - pbc.gda.pl
Konstrukcja wszelkich układów wysokoczęstotliwościowych musi być poprzedzona
procesem ich projektowania, którego istotnym elementem jest optymalizacja. Stopień …