A fractional phase-field model for two-phase flows with tunable sharpness: algorithms and simulations

F Song, C Xu, GE Karniadakis - Computer Methods in Applied Mechanics …, 2016 - Elsevier
We develop a fractional extension of a mass-conserving Allen–Cahn phase field model that
describes the mixture of two incompressible fluids. The fractional order controls the …

Solution of high-Reynolds incompressible flow with stabilized finite element and adaptive anisotropic meshing

T Coupez, E Hachem - Computer methods in applied mechanics and …, 2013 - Elsevier
The objective of this paper is to show that anisotropic meshes with highly stretched elements
can be used to compute high Reynolds number flows. In particular, it will be shown that …

[HTML][HTML] A highly scalable direction-splitting solver on regular Cartesian grid to compute flows in complex geometries described by STL files

A Morente, A Goyal, A Wachs - Fluids, 2023 - mdpi.com
We implement the Direction-Splitting solver originally proposed by Keating and Minev in
2013 and allow complex geometries to be described by a triangulation defined in STL files …

A new class of massively parallel direction splitting for the incompressible Navier–Stokes equations

JL Guermond, PD Minev - Computer Methods in Applied Mechanics and …, 2011 - Elsevier
We introduce in this paper a new direction splitting algorithm for solving the incompressible
Navier–Stokes equations. The main originality of the method consists of using the operator …

[КНИГА][B] Navier-Stokes equations in planar domains

M Ben-Artzi, JP Croisille, D Fishelov - 2013 - books.google.com
This volume deals with the classical Navier-Stokes system of equations governing the
planar flow of incompressible, viscid fluid. It is a first-of-its-kind book, devoted to all aspects …

Spectral direction splitting methods for two-dimensional space fractional diffusion equations

F Song, C Xu - Journal of Computational Physics, 2015 - Elsevier
A numerical method for a kind of time-dependent two-dimensional two-sided space
fractional diffusion equations is developed in this paper. The proposed method combines a …

High-Order Adaptive Time Step** for the Incompressible Navier--Stokes Equations

JL Guermond, P Minev - SIAM Journal on Scientific Computing, 2019 - SIAM
In this paper we develop a high-order time step** technique for the incompressible Navier-
-Stokes equations. The method is based on an artificial compressibility perturbation made …

An accurate and scalable direction-splitting solver for flows laden with non-spherical rigid bodies—Part 2: Moving rigid bodies

A Goyal, A Wachs - Computers & Fluids, 2024 - Elsevier
Abstract The Direction Splitting algorithm is a computational method that facilitates the
solution of the Navier–Stokes equation by decomposing a multi-dimensional Poisson …

An efficient parallel immersed boundary algorithm using a pseudo-compressible fluid solver

JK Wiens, JM Stockie - Journal of Computational Physics, 2015 - Elsevier
We propose an efficient algorithm for the immersed boundary method on distributed-memory
architectures that has the computational complexity of a completely explicit method and also …

[PDF][PDF] An Accurate and Scalable Direction-Splitting Solver for Flows Laden with Non-Spherical Rigid Bodies-Part 1: Fixed Rigid Bodies

A Goyal, A Wachs - Revision in Communications in Computational …, 2023 - global-sci.com
Particle-resolved direct numerical flow solvers predominantly use a projection method to
decouple the non-linear mass and momentum conservation equations. The computing …