English
Related papers

Related papers: General coarse-grained red blood cell models: I. M…

200 papers

In this work, we review previously developed coarse-grained (CG) particle models for biological membrane and red blood cells (RBCs) and discuss the advantages of the CG particle method over the continuum and atomic simulations on modeling…

Soft Condensed Matter · Physics 2017-07-18 He Li , Hung-yu Chang , Jun Yang , Lu Lu , George Lykotrafitis

Red blood cells (RBCs) are an essential component of blood. A method to include the particulate nature of blood is introduced here with the goal of studying circulation in large-scale realistic vessels. The method uses a combination of the…

Medical Physics · Physics 2011-07-26 Simone Melchionna

The stress-free state (SFS) of red blood cells (RBCs) is a fundamental reference configuration for the calibration of computational models, yet it remains unknown. Current experimental methods cannot measure the SFS of cells without…

Computational Engineering, Finance, and Science · Computer Science 2023-04-04 Lucas Amoudruz , Athena Economides , Georgios Arampatzis , Petros Koumoutsakos

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

Red Blood Cells (RBCs) are the simplest cell types with complex dynamical and viscoelastic phenomenology. While the mechanical rigidity and the flickering noise of RBCs have been extensively investigated, an accurate determination of the…

Biological Physics · Physics 2023-08-25 M. Gironella-Torrent , G. Bergamaschi , R. Sorkin , G. Wuite , F. Ritort

Modeling of the red blood cell (RBC) shape is an integral part of the experimental and computer simulation investigations of light scattering by these cells for fundamental studies as well as diagnostic applications in techniques like…

Biological Physics · Physics 2024-06-18 Gaurav D. Bhabhor , Chetna Patel , Nishant Chhillar , Arun Anand , Kirit N. Lad

We present a computational framework for the simulation of blood flow with fully resolved red blood cells (RBCs) using a modular approach that consists of a lattice Boltzmann solver for the blood plasma, a novel finite element based solver…

Computational Physics · Physics 2019-08-28 Christos Kotsalos , Jonas Latt , Bastien Chopard

The deformability of human red blood cells (RBCs), which comprise almost 99% of the cells in whole blood, is largely related not only to pathophysiological blood flow but also to the levels of intracellular compounds. Therefore, statistical…

High-resolution blood flow simulations have potential for developing better understanding biophysical phenomena at the microscale, such as vasodilation, vasoconstriction and overall vascular resistance. To this end, we present a scalable…

Computational Engineering, Finance, and Science · Computer Science 2019-09-26 Libin Lu , Matthew J. Morse , Abtin Rahimian , Georg Stadler , Denis Zorin

We use mesoscale numerical simulations to investigate the unsteady dynamics of a single red blood cell (RBC) subjected to an external mechanical load. We carry out a detailed comparison between the {\it loading} (L) dynamics, following the…

Soft Condensed Matter · Physics 2021-06-01 Fabio Guglietta , Marek Behr , Giacomo Falcucci , Mauro Sbragaglia

Computational Fluid Dynamics (CFD) is currently used to design and improve the hydraulic properties of biomedical devices, wherein the large scale blood circulation needs to be simulated by accounting for the mechanical response of red…

Fluid Dynamics · Physics 2024-12-24 F. Guglietta , M. Behr , L. Biferale , G. Falcucci , M. Sbragaglia

Red blood cells (RBCs) sustain mechanical stresses associated with microcirculatory flow through ATP-driven plasma membrane flickering. This is an active phenomenon driven by motor proteins that regulate interactions between the spectrin…

The flow dynamics of red blood cells in vivo in blood capillaries and in vitro in microfluidic channels is complex. Cells can obtain differnet shapes such as discoid, parachute, slipper-like shapes and various intermediate states depending…

Biological Physics · Physics 2023-04-17 Andreas Link , a Irene Luna Pardo , Bernd Porr , Thomas Franke

We present OpenRBC, a coarse-grained molecular dynamics code, which is capable of performing an unprecedented in silico experiment --- simulating an entire mammal red blood cell lipid bilayer and cytoskeleton as modeled by 4 million…

Computational modeling and simulation are presented on the motion of red blood cells behind a moving interface in a capillary. The methodology is based on an immersed boundary method and the skeleton structure of the red blood cell (RBC)…

Fluid Dynamics · Physics 2013-04-16 Shihai Zhao , Tsorng-Whay Pan

The fluid dynamics video presented here outlines recent advances in the simulation of multiphase cellular blood flow through the direct numerical simulations of deformable red blood cells (RBCs) demonstrated through several numerical…

Fluid Dynamics · Physics 2010-10-18 Daniel A. Reasor , Jonathan R. Clausen , Brian M. Yun , Cyrus K. Aidun

The reversible aggregation of red blood cells (RBCs) is a process of erythrocytes clumping that strongly influences the rheological properties of blood. The adhesion of RBCs has been studied extensively in the frame of cell-to-cell…

Biological Physics · Physics 2017-10-09 Alexey Popov , Tatiana Avsievich , Alexander Bykov , Igor Meglinski

Automated red blood cell (RBC) classification on blood smear images helps hematologists to analyze RBC lab results in a reduced time and cost. However, overlapping cells can cause incorrect predicted results, and so they have to be…

Image and Video Processing · Electrical Eng. & Systems 2024-10-30 Korranat Naruenatthanaset , Thanarat H. Chalidabhongse , Duangdao Palasuwan , Nantheera Anantrasirichai , Attakorn Palasuwan

We present a numerical analysis of the rheology of a suspension of red blood cells (RBCs) in a wall-bounded shear flow. The flow is assumed as almost inertialess. The suspension of RBCs, modeled as biconcave capsules whose membrane follows…

Fluid Dynamics · Physics 2019-07-24 Naoki Takeishi , Marco E. Rosti , Yohsuke Imai , Shigeo Wada , Luca Brandt

It is important to understand the dynamics of red blood cells (RBCs) in blood flow. This requires the formulation of coarse-grained RBC models that reproduce the hydrodynamic properties of blood accurately. One of the models that…

Soft Condensed Matter · Physics 2024-10-15 Tetsuya Yamamoto , Hiroshi Watanabe
‹ Prev 1 2 3 10 Next ›