Paul G. Chen

ORCID: 0000-0003-4174-317X
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About
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Research Areas
  • Blood properties and coagulation
  • Rheology and Fluid Dynamics Studies
  • Nanomaterials and Printing Technologies
  • Microbial Inactivation Methods
  • Fluid Dynamics and Thin Films
  • Microfluidic and Bio-sensing Technologies
  • Erythrocyte Function and Pathophysiology
  • Fluid Dynamics and Heat Transfer
  • Fluid Dynamics and Turbulent Flows
  • Aquatic and Environmental Studies
  • stochastic dynamics and bifurcation
  • Lipid Membrane Structure and Behavior
  • Surface Modification and Superhydrophobicity
  • Coastal and Marine Dynamics
  • Oceanographic and Atmospheric Processes
  • Innovative Microfluidic and Catalytic Techniques Innovation
  • Solidification and crystal growth phenomena
  • Electrohydrodynamics and Fluid Dynamics
  • Particle Dynamics in Fluid Flows
  • Pickering emulsions and particle stabilization
  • Spacecraft Design and Technology
  • Spacecraft and Cryogenic Technologies
  • Marine and environmental studies
  • Micro and Nano Robotics
  • Water Quality Monitoring and Analysis

Centre National de la Recherche Scientifique
2007-2024

Centrale Marseille
2017-2024

Laboratoire de Mécanique, Modélisation & Procédés Propres
2007-2022

Aix-Marseille Université
2017-2020

Château Gombert
2007-2020

10.1016/j.ijheatmasstransfer.2020.119587 article EN publisher-specific-oa International Journal of Heat and Mass Transfer 2020-03-06

10.1140/epjst/e2016-60203-y article EN The European Physical Journal Special Topics 2017-04-01

The red blood cell (RBC) membrane is composed of a lipid bilayer and cytoskeleton interconnected by protein junction complexes, allowing for potential sliding between the cytoskeleton. Despite this biological reality, it most often modelled as single-layer model, hyperelastic capsule or fluid vesicle. Another approach involves incorporating membrane's composite structure using double layers, where one layer represents other In paper, we computationally assess various modelling strategies...

10.1017/jfm.2023.1092 article EN Journal of Fluid Mechanics 2024-01-22

The red blood cell (RBC) membrane is a composite structure, consisting of phospholipid bilayer and an underlying membrane-associated cytoskeleton. Both continuum particle-based coarse-grained RBC models make use set vertices connected by edges to represent the membrane, which can be seen as triangular surface mesh for former spring network latter. Here, we present modeling approach combining existing vesicle model with Compared other two-component approaches, our method relies on only one...

10.1016/j.crme.2018.04.015 preprint EN cc-by-nc-nd Comptes Rendus Mécanique 2018-05-01

Giant unilamellar vesicles subjected to pulsed direct-current (pulsed-DC) fields are promising biomimetic systems investigate the electroporation of cells. In strong electric fields, undergo significant deformation, which strongly alters transmembrane potential, and consequently electroporation. Previous theoretical studies investigated electrodeformation in DC (which not pulsed). this work, we computationally deformation a deflated vesicle under unipolar, bipolar, two-step unipolar pulses...

10.1063/5.0057168 article EN Physics of Fluids 2021-08-01

Soft particles display a rich zoology of dynamics with bifurcation depending on the interfacial mechanical response. One intriguing issue is origin motions along helices, dynamic only observed active particles. Numerical simulations vesicle, passive particle in Poiseuille flow, show that this called swirling fact more ubiquitous and emerges spontaneously. Swirling ultimate state symmetry loss sequence parachute \ensuremath{\rightarrow} croissant slipper swirling, where last lost mirror plane slipper.

10.1103/physrevfluids.8.l021602 article EN Physical Review Fluids 2023-02-08

A numerical study of the steady motion and deformation a vesicle freely suspended inside circular tube in pressure-driven flow is presented. phase diagram shapes drawn shape transition line proposed separating parachute-shaped region from bullet-shaped one reduced volume versus confinement space. High-resolution simulations allow examination hydrodynamic interaction between wall boundary surface at conditions very high confinement. Furthermore, several correlations are presented their...

10.1103/physrevfluids.5.043602 article EN Physical Review Fluids 2020-04-23

We measure the deformation of a drop under an extensional flow. The is less deformed than for pure liquid because depletion surfactants at tips, which we attribute to adsorption/desorption dynamics surfactants.

10.1039/d4sm00642a article EN Soft Matter 2024-01-01
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