Discrete viscous threads

M Bergou, B Audoly, E Vouga, M Wardetzky… - ACM Transactions on …, 2010 - dl.acm.org
We present a continuum-based discrete model for thin threads of viscous fluid by drawing
upon the Rayleigh analogy to elastic rods, demonstrating canonical coiling, folding, and …

Accurate viscous free surfaces for buckling, coiling, and rotating liquids

C Batty, R Bridson - 2008 - uwspace.uwaterloo.ca
We present a fully implicit Eulerian technique for simulating free surface viscous liquids
which eliminates artifacts in previous approaches, efficiently supports variable viscosity, and …

A discrete geometric approach for simulating the dynamics of thin viscous threads

B Audoly, N Clauvelin, PT Brun, M Bergou… - Journal of …, 2013 - Elsevier
We present a numerical model for the dynamics of thin viscous threads based on a discrete,
Lagrangian formulation of the smooth equations. The model makes use of a condensed set …

A least-squares particle model with other techniques for 2D viscoelastic fluid/free surface flow

T Jiang, J Ren, J Yuan, W Zhou, DS Wang - Journal of Computational …, 2020 - Elsevier
In this work, a Lagrangian finite pointset model (FPM) is first developed to solve the 2D
viscoelastic fluid governing equations, and then a corrected particle shifting technique …

Variational stokes: A unified pressure-viscosity solver for accurate viscous liquids

E Larionov, C Batty, R Bridson - ACM Transactions on Graphics (TOG), 2017 - dl.acm.org
We propose a novel unsteady Stokes solver for coupled viscous and pressure forces in grid-
based liquid animation which yields greater accuracy and visual realism than previously …

[HTML][HTML] Numerical solution of the eXtended Pom-Pom model for viscoelastic free surface flows

CM Oishi, FP Martins, MF Tome, JA Cuminato… - Journal of Non …, 2011 - Elsevier
In this paper we present a finite difference method for solving two-dimensional viscoelastic
unsteady free surface flows governed by the single equation version of the eXtended Pom …

An Oldroyd-B solver for vanishingly small values of the viscosity ratio: Application to unsteady free surface flows

C Viezel, MF Tomé, FT Pinho, S McKee - Journal of Non-Newtonian Fluid …, 2020 - Elsevier
This work is concerned with time-dependent axisymmetric free surface flows of Oldroyd-B
fluids for any value of, the ratio of solvent to total viscosities. The Oldroyd-B constitutive …

A numerical study of the kernel-conformation transformation for transient viscoelastic fluid flows

FP Martins, CM Oishi, AM Afonso, MA Alves - Journal of Computational …, 2015 - Elsevier
This work presents a numerical application of a generic conformation tensor transformation
for simulating highly elastic flows of non-Newtonian fluids typically observed in …

A SPH-based particle method for simulating 3D transient free surface flows of branched polymer melts

X Xu, J Ouyang - Journal of Non-Newtonian Fluid Mechanics, 2013 - Elsevier
In this article we present a particle method based on smoothed particle hydrodynamics
(SPH) for simulating three-dimensional (3D) transient free surface flows of branched …

Transient motions of elasto-viscoplastic thixotropic materials subjected to an imposed stress field and to stress-based free-surface boundary conditions

CM Oishi, RL Thompson, FP Martins - International Journal of Engineering …, 2016 - Elsevier
In the present work, we present an approach to handle transient flows of elasto-viscoplastic
thixotropic (EVPT) materials under the action of the gravity force field and subjected to free …