Finite element methods respecting the discrete maximum principle for convection-diffusion equations

GR Barrenechea, V John, P Knobloch - SIAM Review, 2024 - SIAM
Convection-diffusion-reaction equations model the conservation of scalar quantities. From
the analytic point of view, solutions of these equations satisfy, under certain conditions …

[HTML][HTML] A review of VMS a posteriori error estimation with emphasis in fluid mechanics

G Hauke, D Irisarri - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
This article outlines the research on the application of the variational multiscale theory
(VMS) to a posteriori error estimation. VMS theory was initially developed by Professor …

[HTML][HTML] Design and implementation of a subnanometer heterodyne interference signal processing algorithm with a dynamic filter

Q Zeng, Z Zhao, X **ong, H Du, W Zhang, Z Zhang… - Sensors, 2022 - mdpi.com
In this study, a subnanometer heterodyne interference signal processing algorithm with a
dynamic filter is proposed. The algorithm can effectively reduce the measurement error …

Residual-based a posteriori error estimators for algebraic stabilizations

A Jha - Applied Mathematics Letters, 2024 - Elsevier
In this note, we extend the analysis for the residual-based a posteriori error estimators in the
energy norm defined for the algebraic flux correction (AFC) schemes (Jha, 2021) to the …

Analysis of algebraic flux correction schemes for semi-discrete advection problems

H Hajduk, A Rupp - BIT Numerical Mathematics, 2023 - Springer
Based on recent developments regarding the analysis of algebraic flux correction schemes,
we consider a locally bound-preserving discretization of the time-dependent advection …

Adaptive grids in the context of algebraic stabilizations for convection-diffusion-reaction equations

A Jha, V John, P Knobloch - SIAM Journal on Scientific Computing, 2023 - SIAM
Three algebraically stabilized finite element schemes for discretizing convection-diffusion-
reaction equations are studied on adaptively refined grids. These schemes are the algebraic …

Adaptive refinement in advection–diffusion problems by anomaly detection: A numerical study

A Falini, ML Sampoli - Algorithms, 2021 - mdpi.com
We consider advection–diffusion–reaction problems, where the advective or the reactive
term is dominating with respect to the diffusive term. The solutions of these problems are …

Development and analysis of monotone numerical schemes

S Heydari - 2024 - dspace.cuni.cz
In this thesis, we investigate various systems of strongly-coupled nonlin-ear partial and
ordinary differential equations, which mainly originate from bio-science, both theoretically …

[PDF][PDF] Optimal control problems and algebraic flux correction schemes

J Baumgartner - 2021 - duepublico2.uni-due.de
Solutions of convection-diffusion-reaction equations may possess layers, ie narrow regions
where the solution has a large gradient (in particular for convection-dominated equations) …

A POSTERIORI ERROR ANALYSIS FOR ALGEBRAIC FLUX CORRECTION SCHEMES

DRA JHA - iitj.ac.in
In this talk we consider three algebraically stabilized finite element schemes for discretizing
convection-diffusion-reaction equations on adaptively refined grids. These schemes are the …