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Ballistic injection in a nanodevice is a complex process where electrons can either be transmitted or reflected, thereby introducing deviations from the otherwise quantized conductance. In this context, quantum rings (QRs) appear as model…

Mesoscale and Nanoscale Physics · Physics 2018-08-29 S. Toussaint , B. Brun-Barrière , S. Faniel , L. Desplanque , X. Wallart , V. Bayot , B. Hackens

Red blood cells (RBCs) are vital for transporting oxygen from the lungs to the body's tissues through the intricate circulatory system. They achieve this by binding and releasing oxygen molecules to the abundant hemoglobin within their…

Biological Physics · Physics 2025-06-03 Lucas Amoudruz , Athena Economides , Petros Koumoutsakos

This study presents a numerical investigation of a 3D micropolar magnetohydrodynamic (MHD) blood flow through stenosis, with and without the effects of micromagnetorotation (MMR). MMR refers to the magnetic torque caused by the misalignment…

Fluid Dynamics · Physics 2026-02-10 Kyriaki-Evangelia Aslani , Ioannis E. Sarris , Efstratios Tzirtzilakis

Understanding the physics of blood is challenging due to its nature as a suspension of soft particles and the fact that typical problems involve different scales. This is valid also for numerical investigations. In fact, many computational…

Soft Condensed Matter · Physics 2011-09-16 Florian Janoschek , Federico Toschi , Jens Harting

Subcritical Turing bifurcations of reaction-diffusion systems in large domains lead to spontaneous onset of well-developed localised patterns via the homoclinic snaking mechanism. This phenomenon is shown to occur naturally when balancing…

Pattern Formation and Solitons · Physics 2025-06-10 Víctor Breña-Medina , Alan Champneys

Recent numerical analyses to optimize the design of microfluidic devices for more effective entrapment or segregation of surrogate circulating tumor cells (CTCs) from healthy cells have been reported in the literature without concurrently…

Computational Physics · Physics 2020-06-23 Hakan Başağaoğlu , Justin Blount , Sauro Succi , Christopher J. Freitas

Particles suspended in fluid flow through a curved duct focus to stable equilibrium positions in the duct cross-section due to the balance of two dominant forces: (i) inertial lift force - arising from the inertia of the fluid, and (ii)…

Fluid Dynamics · Physics 2021-12-10 Rahil N. Valani , Brendan Harding , Yvonne M. Stokes

The red blood cell (RBC) membrane is composed of a lipid bilayer and a cytoskeleton interconnected by protein junction complexes, allowing for potential sliding between the lipid bilayer and the cytoskeleton. Despite this biological…

Fluid Dynamics · Physics 2024-01-23 V. Puthumana , P. G. Chen , M. Leonetti , R. Lasserre , M. Jaeger

The manual evaluation, classification and counting of biological objects demands for an enormous expenditure of time and subjective human input may be a source of error. Investigating the shape of red blood cells (RBCs) in microcapillary…

Biological Physics · Physics 2018-06-22 Alexander Kihm , Lars Kaestner , Christian Wagner , Stephan Quint

Three-dimensional (3D) finite-element simulations of cardiovascular flows provide high-fidelity predictions to support cardiovascular medicine, but their high computational cost limits clinical practicality. Reduced-order models (ROMs)…

Computational Engineering, Finance, and Science · Computer Science 2025-09-01 Natalia L. Rubio , Eric F. Darve , Alison L. Marsden

Thrombosis is a common complication following the surgical implantation of blood contacting devices, and is strongly influenced by the phenomenon of near-wall enrichment of platelets. This paper describes a multi-constituent continuum…

Fluid Dynamics · Physics 2017-05-09 Wei-Tao Wu , Nadine Aubry , James F. Antaki , Mehrdad Massoudi

We discuss the behavior of partially wetting liquids on a rotating cylinder using a model that takes into account the effects of gravity, viscosity, rotation, surface tension and wettability. Such a system can be considered as a prototype…

Fluid Dynamics · Physics 2018-07-24 Te-Sheng Lin , Steven Rogers , Dmitri Tseluiko , Uwe Thiele

Cardiac disease and clinical intervention may both lead to an increased risk for thrombosis events due to modified blood flow in the heart, and thereby a change in the mechanical stimuli of blood cells passing through the chambers of the…

We investigate the effect of particle volume fraction on the efficiency of deterministic lateral displacement (DLD) devices. DLD is a popular passive sorting technique for microfluidic applications. Yet, it has been designed for treating…

Soft Condensed Matter · Physics 2015-10-27 Rohan Vernekar , Timm Krüger

Long, shallow microchannels embedded in thick soft materials are widely used in microfluidic devices for lab-on-a-chip applications. However, the bulging effect caused by fluid--structure interactions between the internal viscous flow and…

Fluid Dynamics · Physics 2019-12-03 Xiaojia Wang , Ivan C. Christov

We discuss the influence of periodic orbits on the dissociation of a model diatomic molecule driven by a strong bichromatic laser fields. Through the stability of periodic orbits we analyze the dissociation probability when parameters like…

Chaotic Dynamics · Physics 2009-11-13 S. Huang , C. Chandre , T. Uzer

Fluids subject to both thermal and compositional variations can undergo doubly diffusive convection when these properties both affect the fluid density and diffuse at different rates. A variety of patterns can arise from these…

Fluid Dynamics · Physics 2024-01-04 J. Tumelty , C. Beaume , A. M. Rucklidge

We study red blood cells using the Helfrich-Canham functional: due to their lipid bilayer structure, RBCs are naturally modeled using the theory of elastic surfaces. In this study, we demonstrate that Cassinian ovals, except for the…

Differential Geometry · Mathematics 2025-07-29 Eugenio Aulisa , Stone Fields , Magdalena Toda

The functionality and viability of stored human red blood cells (RBCs) is an important clinical issue in transfusion. To systematically investigate changes in stored whole blood, the hematological properties of individual RBCs were…

Medical Physics · Physics 2015-06-30 HyunJoo Park , Misook Ji , SangYun Lee , Kyoohyun Kim , Yong-Hak Sohn , Seongsoo Jang , YongKeun Park

We study deformability-based sorting of same-size RBCs via DLD using an in-house integral equation solver. Our goal is to quantitatively characterize the physical mechanisms that enable the cell separation. To this end, we systematically…

Computational Physics · Physics 2018-11-30 Gokberk Kabacaoglu , George Biros