Challenges in computational modeling of two-phase transport in polymer electrolyte fuel cells flow channels: a review

A Jarauta, P Ryzhakov - Archives of Computational Methods in …, 2018 - Springer
Excess of liquid water in gas channels of polymer electrolyte fuel cells is responsible for
malfunctioning of these devices. Not only it decreases their efficiency via partial blockage of …

Improving mass conservation in simulation of incompressible flows

P Ryzhakov, E Oñate, R Rossi… - International journal for …, 2012 - Wiley Online Library
We propose a technique for improving mass‐conservation features of fractional step
schemes applied to incompressible flows. The method is illustrated by using a Lagrangian …

Fast fluid–structure interaction simulations using a displacement-based finite element model equipped with an explicit streamline integration prediction

PB Ryzhakov, J Marti, SR Idelsohn, E Oñate - Computer methods in …, 2017 - Elsevier
We propose here a displacement-based updated Lagrangian fluid model developed to
facilitate a monolithic coupling with a wide range of structural elements described in terms of …

An efficient edge‐based level set finite element method for free surface flow problems

R Rossi, A Larese, P Dadvand… - International journal for …, 2013 - Wiley Online Library
We present an efficient technique for the solution of free surface flow problems using level
set and a parallel edge‐based finite element method. An unstructured semi‐explicit solution …

A two-dimensional numerical model for the sliding motion of liquid drops by the particle finite element method

E Mahrous, RV Roy, A Jarauta, M Secanell - Physics of Fluids, 2021 - pubs.aip.org
Liquid drops sliding on surfaces are ubiquitous both in the natural and industrial world. The
prediction of such drop motions has far-reaching implications in many fields of application …

A finite element model for fluid–structure interaction problems involving closed membranes, internal and external fluids

PB Ryzhakov, E Onate - Computer methods in applied mechanics and …, 2017 - Elsevier
In this paper we propose a Finite Element model for analyzing closed membranes (“bags”)
interacting with internal and external (surrounding) fluids. The approach is based on …

An embedded approach for immiscible multi‐fluid problems

PB Ryzhakov, A Jarauta - International journal for numerical …, 2016 - Wiley Online Library
An embedded formulation for the simulation of immiscible multi‐fluid problems is proposed.
The method is particularly designed for handling gas–liquid systems. Gas and liquid are …

On the application of the PFEM to droplet dynamics modeling in fuel cells

PB Ryzhakov, A Jarauta, M Secanell… - Computational Particle …, 2017 - Springer
Abstract The Particle Finite Element Method (PFEM) is used to develop a model to study two-
phase flow in fuel cell gas channels. First, the PFEM is used to develop the model of free …

A three-dimensional numerical model for the motion of liquid drops by the particle finite element method

E Mahrous, R Valéry Roy, A Jarauta, M Secanell - Physics of Fluids, 2022 - pubs.aip.org
Analysis of drop spreading and sliding on solid substrates is critical for many industrial
applications, such as microfluidic devices, cooling towers, and fuel cells. A new three …

Combined Eulerian–PFEM approach for analysis of polymers in fire situations

J Marti, P Ryzhakov, S Idelsohn… - International Journal for …, 2012 - Wiley Online Library
In this paper, we present a computational algorithm for solving an important practical
problem, namely, the thermoplastic polymer melting under fire conditions. We propose here …