A fast immersed boundary method for external incompressible viscous flows using lattice Green's functions
S Liska, T Colonius - Journal of Computational Physics, 2017 - Elsevier
A new parallel, computationally efficient immersed boundary method for solving three-
dimensional, viscous, incompressible flows on unbounded domains is presented. Immersed …
dimensional, viscous, incompressible flows on unbounded domains is presented. Immersed …
[HTML][HTML] Projection-based reduced order models for a cut finite element method in parametrized domains
This work presents a reduced order modeling technique built on a high fidelity embedded
mesh finite element method. Such methods, and in particular the CutFEM method, are …
mesh finite element method. Such methods, and in particular the CutFEM method, are …
A method of immersed layers on Cartesian grids, with application to incompressible flows
JD Eldredge - Journal of Computational Physics, 2022 - Elsevier
The immersed boundary method (IBM) of Peskin (J. Comput. Phys., 1977), and derived
forms such as the projection method of Taira and Colonius (J. Comput. Phys., 2007), have …
forms such as the projection method of Taira and Colonius (J. Comput. Phys., 2007), have …
[图书][B] Fast direct solvers for elliptic PDEs
PG Martinsson - 2019 - SIAM
In writing this book, I set out to create an accessible introduction to fast multipole methods
(FMMs) and techniques based on integral equation formulations. These are powerful tools …
(FMMs) and techniques based on integral equation formulations. These are powerful tools …
On the lift-optimal aspect ratio of a revolving wing at low Reynolds number
T Jardin, T Colonius - Journal of The Royal Society …, 2018 - royalsocietypublishing.org
Lentink & Dickinson (2009 J. Exp. Biol. 212, 2705–2719.(doi: 10.1242/jeb. 022269)) showed
that rotational acceleration stabilized the leading-edge vortex on revolving, low aspect ratio …
that rotational acceleration stabilized the leading-edge vortex on revolving, low aspect ratio …
Lattice Green's functions for high-order finite difference stencils
J Gabbard, WM van Rees - SIAM Journal on Numerical Analysis, 2024 - SIAM
Lattice Green's functions (LGFs) are fundamental solutions to discretized linear operators,
and as such they are a useful tool for solving discretized elliptic PDEs on domains that are …
and as such they are a useful tool for solving discretized elliptic PDEs on domains that are …
Improvement of remeshed Lagrangian methods for the simulation of dissolution processes at pore-scale
This article shows how to consistently and accurately manage the Lagrangian formulation of
chemical reaction equations coupled with the superficial velocity formalism introduced in the …
chemical reaction equations coupled with the superficial velocity formalism introduced in the …
On the deviation of computed permeability induced by unresolved morphological features of the pore space
This article describes how much the computed absolute permeability is impacted by the slip
effect at the fluid/solid interface, in the context of single-phase pore-scale flow. While this …
effect at the fluid/solid interface, in the context of single-phase pore-scale flow. While this …
Velocity gradient analysis of a head-on vortex ring collision
R Arun, T Colonius - Journal of Fluid Mechanics, 2024 - cambridge.org
We simulate the head-on collision between vortex rings with circulation Reynolds numbers
of 4000 using an adaptive, multiresolution solver based on the lattice Green's function. The …
of 4000 using an adaptive, multiresolution solver based on the lattice Green's function. The …
Application of a lattice Boltzmann method to some challenges related to micro-air vehicles
N Gourdain, T Jardin, R Serre… - … Journal of Micro Air …, 2018 - journals.sagepub.com
The demand for micro-air vehicles is increasing as well as their potential missions. Whether
for discretion in military operations or noise pollution in civilian use, the improvement of …
for discretion in military operations or noise pollution in civilian use, the improvement of …