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) …

Regularized local multivariate reduced-order models with nonaffine parameter dependence

M Mul, V de la Rubia, G Fotyga… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
This paper addresses a singular problem, not yet discussed in the literature, which occurs
when parametric reduced-order models are created using a subspace projection approach …

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 …

A Block Arnoldi Algorithm Based Reduced-Order Model Applied to Large-Scale Algebraic Equations of a 3-D Field Problem

N Wang, J Chen, H Wang, S Yang - Applied Sciences, 2021 - mdpi.com
Featured Application This work has developed an adaptive multipoint model reduction
model based on the Arnoldi algorithm to obtain reduced-order models of a 3-D temperature …

[PDF][PDF] Spurious modes in local model order reduction

M Czarniewska - 2018 - edison.mwave.eti.pg.gda.pl
• We consider the 5-th order waveguide filter divided into 7 subdomains-the analyzed
geometry as well as the segmentation are shown in Fig. 1.• 11 geometry parameters are …