Stabilised variational multi-scale finite element formulations for viscoelastic fluids
The objective of this article is to summarise the work that we have been doing as a group in
the context of stabilised finite element formulations for viscoelastic fluid flows. Viscoelastic …
the context of stabilised finite element formulations for viscoelastic fluid flows. Viscoelastic …
[HTML][HTML] Stress–displacement stabilized finite element analysis of thin structures using solid-shell elements, Part I: On the need of interpolating the stresses
This work studies the solid-shell finite element approach to approximate thin structures using
a stabilized mixed displacement–stress formulation based on the Variational Multiscale …
a stabilized mixed displacement–stress formulation based on the Variational Multiscale …
Consistent splitting schemes for incompressible viscoelastic flow problems
DRQ Pacheco, E Castillo - International Journal for Numerical …, 2023 - Wiley Online Library
Viscoelastic fluids are highly challenging from the rheological standpoint, and their
discretization demands robust, efficient numerical solvers. Simulating viscoelastic flows …
discretization demands robust, efficient numerical solvers. Simulating viscoelastic flows …
A stabilized mixed three‐field formulation for stress accurate analysis including the incompressible limit in finite strain solid dynamics
In this work a new methodology for finite strain solid dynamics problems for stress accurate
analysis including the incompressible limit is presented. In previous works, the authors have …
analysis including the incompressible limit is presented. In previous works, the authors have …
Stabilized finite element methods for a fully-implicit logarithmic reformulation of the Oldroyd-B constitutive law
S Wittschieber, L Demkowicz, M Behr - Journal of Non-Newtonian Fluid …, 2022 - Elsevier
Logarithmic conformation reformulations for viscoelastic constitutive laws have alleviated the
high Weissenberg number problem, and the exploration of highly elastic flows became …
high Weissenberg number problem, and the exploration of highly elastic flows became …
[HTML][HTML] A mixed stabilized MPM formulation for incompressible hyperelastic materials using Variational Subgrid-Scales
Abstract The Material Point Method (MPM) stands as a continuum-based particle technique
designed for addressing large deformation problems. However, the treatment of …
designed for addressing large deformation problems. However, the treatment of …
[HTML][HTML] Numerical simulation of Fluid–Structure Interaction problems with viscoelastic fluids using a log-conformation reformulation
In this paper the numerical simulation of the interaction between Oldroyd-B viscoelastic fluid
flows and hyperelastic solids is approached. The algorithm employed is a classical block …
flows and hyperelastic solids is approached. The algorithm employed is a classical block …
Solution of transient viscoelastic flow problems approximated by a term-by-term VMS stabilized finite element formulation using time-dependent subgrid-scales
Some finite element stabilized formulations for transient viscoelastic flow problems are
presented in this paper. These are based on the Variational Multiscale (VMS) method …
presented in this paper. These are based on the Variational Multiscale (VMS) method …
Numerical simulation of non-isothermal viscoelastic fluid flows using a VMS stabilized finite element formulation
The effect of temperature in viscoelastic fluid flows is studied applying a stabilized finite
element formulation based on both a standard and a log-conformation reformulation (LCR) …
element formulation based on both a standard and a log-conformation reformulation (LCR) …
Temporal artificial stress diffusion for numerical simulations of Oldroyd-B fluid flow
M Pires, T Bodnár - Mathematics, 2022 - mdpi.com
This paper presents a numerical evaluation of two different artificial stress diffusion
techniques for the stabilization of viscoelastic Oldroyd-B fluid flows at high Weissenberg …
techniques for the stabilization of viscoelastic Oldroyd-B fluid flows at high Weissenberg …