Proper orthogonal decomposition closure models for turbulent flows: a numerical comparison

Z Wang, I Akhtar, J Borggaard, T Iliescu - Computer Methods in Applied …, 2012 - Elsevier
This paper puts forth two new closure models for the proper orthogonal decomposition
reduced-order modeling of structurally dominated turbulent flows: the dynamic subgrid-scale …

Interpolatory HDG method for parabolic semilinear PDEs

B Cockburn, JR Singler, Y Zhang - Journal of Scientific Computing, 2019 - Springer
We propose the interpolatory hybridizable discontinuous Galerkin (Interpolatory HDG)
method for a class of scalar parabolic semilinear PDEs. The Interpolatory HDG method uses …

APOD‐based control of linear distributed parameter systems under sensor/controller communication bandwidth limitations

DB Pourkargar, A Armaou - AIChE Journal, 2015 - Wiley Online Library
The synthesis of a model‐based control structure for general linear dissipative distributed
parameter systems (DPSs) is explored in this manuscript. Discrete‐time distributed state …

Nonlinear model reduction based on the finite element method with interpolated coefficients: semilinear parabolic equations

Z Wang - Numerical Methods for Partial Differential Equations, 2015 - Wiley Online Library
For nonlinear reduced‐order models (ROMs), especially for those with high‐order
polynomial nonlinearities or nonpolynomial nonlinearities, the computational complexity still …

Superconvergent Interpolatory HDG Methods for Reaction Diffusion Equations I: An HDG Method

G Chen, B Cockburn, J Singler, Y Zhang - Journal of Scientific Computing, 2019 - Springer
In our earlier work (Cockburn et al. in J Sci Comput 79 (3): 1777–1800, 2019), we
approximated solutions of a general class of scalar parabolic semilinear PDEs by an …

An augmented subspace based adaptive proper orthogonal decomposition method for time dependent partial differential equations

X Dai, M Hu, J Xin, A Zhou - Journal of Computational Physics, 2024 - Elsevier
In this paper, we propose an augmented subspace based adaptive proper orthogonal
decomposition (POD) method for solving the time dependent partial differential equations …

Extended group finite element method

K Tolle, N Marheineke - Applied Numerical Mathematics, 2021 - Elsevier
Interpolation methods for nonlinear finite element discretizations are commonly used to
eliminate the computational costs associated with the repeated assembly of the nonlinear …

A POD projection method for large-scale algebraic Riccati equations

B Kramer, JR Singler - Numerical Algebra, Control and …, 2016 - aimsciences.org
The solution of large-scale matrix algebraic Riccati equations is important for instance in
control design and model reduction and remains an active area of research. We consider a …

Model reduction of the coupled Burgers equation in conservation form

B Kramer - 2011 - vtechworks.lib.vt.edu
This thesis is a numerical study of the coupled Burgers equation. The coupled Burgers
equation is motivated by the Boussinesq equations that are often used to model the thermal …

[HTML][HTML] Proper orthogonal decomposition for parameter estimation in oscillating biological networks

AM Rehm, EY Scribner… - Journal of Computational …, 2014 - Elsevier
Proper orthogonal decomposition (POD) is frequently applied to estimate parameters of
partial differential equations. This study examines the application of the POD method in …