English
Related papers

Related papers: Colloidal rod dynamics under large amplitude oscil…

200 papers

Spin coating is an out-of-equilibrium technique for producing polymer films and colloidal crystals quickly and reproducibly. In this review, we present an overview of theoretical and experimental studies of the spin coating of colloidal…

Soft Condensed Matter · Physics 2013-02-26 Moorthi Pichumani , Payam Bagheri , Kristin M. Poduska , Wenceslao Gonzalez-Vinas , Anand Yethiraj

Gravity-induced buoyancy, inevitable in most solidification processes, substantially alters the dynamics of crystal growth, such that incorporating fluid flow in solidification models is crucial to understand and predict key aspects of…

Materials Science · Physics 2022-08-10 Thomas Isensee , Damien Tourret

Using the rigid dipole model, we study the translational and rotational motions of single-domain fer-romagnetic nanoparticles in a dilute suspension induced by the harmonically oscillating gradient magnetic field in the presence of a…

Soft Condensed Matter · Physics 2024-12-02 S. I. Denisov , T. V. Lyutyy , M. M. Moskalenko , A. T. Liutyi , Yu. S. Bystryk

We consider gelation of colloidal particles in suspension after cessation of shear flow. Particle aggregation is driven by a temperature-tunable attractive potential which controls the growth of clusters under isothermal conditions. A…

Soft Condensed Matter · Physics 2014-02-03 Ajay Singh Negi , Carissa G. Redmon , Subramanian Ramakrishnan , Chinedum O. Osuji

The mechanical performance of plant fibres is linked to the presence of crystalline elements dispersed within an amorphous cohesive matrix. The more the crystalline reinforcement is aligned with the fibre axis, the better the mechanical…

Classical Physics · Physics 2025-12-16 Moisy Amélie , Voisin Hugo , Davy Joëlle , Cathala Bernard , Guessasma Sofiane

The manipulation and control of microparticles through non-intrusive methods is pivotal in biomedical applications such as cell sorting and cell focusing. Although several experimental and numerical studies have been dedicated to single…

Fluid Dynamics · Physics 2023-12-20 Giancarlo Esposito , Gaetano D'Avino , Massimiliano Maria Villone

In this paper, we develop a mathematical framework for modeling the time-variant stochastic channels of diffusive mobile MC systems. In particular, we consider a diffusive mobile MC system consisting of a pair of transmitter and receiver…

Information Theory · Computer Science 2018-07-12 Arman Ahmadzadeh , Vahid Jamali , Robert Schober

The effects of particle roughness and short-ranged non-central forces on colloidal gels are studied using computer simulations in which particles experience a sinusoidal variation in energy as they rotate. The number of minima $n$ and…

Soft Condensed Matter · Physics 2019-09-05 Hong T. Nguyen , Alan L. Graham , Peter H. Koenig , Lev D. Gelb

We present an integrated experimental and quantitative theoretical study of the mechanics of self-crosslinked, neutral, repulsive pNIPAM microgel suspensions over concentration (c) range spanning the fluid, glassy and putative "soft jammed"…

Soft Condensed Matter · Physics 2018-10-01 Ashesh Ghosh , Gaurav Chaudhary , Jin Gu Kang , Paul V. Braun , Randy H. Ewoldt , Kenneth S. Schweizer

The relaxation dynamics of a model fluid of platelike colloidal particles is investigated by means of a phenomenological dynamic density functional theory. The model fluid approximates the particles within the Zwanzig model of restricted…

Soft Condensed Matter · Physics 2011-09-14 Markus Bier , Rene van Roij

A recently proposed schematic model for the non--linear rheology of dense colloidal dispersions is compared to flow curves measured in suspensions that consist of thermosensitive particles. The volume fraction of this purely repulsive model…

Soft Condensed Matter · Physics 2009-11-11 Matthias Fuchs , Matthias Ballauff

Dissipative Particle Dynamics (DPD) is becoming a popular particle based method to study flow through microchannels due to the ease with which the presence of biological cells or DNA chains can be modeled. Many Lab-On-Chip (LOC) devices…

Fluid Dynamics · Physics 2013-03-27 S. Kumar Ranjith , B. S. V. Patnaik , Srikanth Vedantam

Deposition and evaporation of infinitely thin hard rods (needles) is studied in two dimensions using Monte Carlo simulations. The ratio of deposition to evaporation rates controls the equilibrium density of rods, and increasing it leads to…

Soft Condensed Matter · Physics 2007-05-23 Mahendra D. Khandkar , Mustansir Barma

Using Brownian dynamics simulations, we investigate the dynamics of colloids confined in two-dimensional narrow channels driven by a non-uniform force F(y). We considered linear-gradient, parabolic and delta-like driving-force profiles.…

Soft Condensed Matter · Physics 2009-11-05 D. V. Tkachenko , V. R. Misko , F. M. Peeters

Cellulose nanocrystals (CNCs) are elongated nanoparticles derived from natural cellulose, with potential applications ranging from rheological modifiers and emulsion stabilizers to photonic pigments and sensors. For most applications,…

Probing dynamic and static correlation in glass-forming supercooled liquids has been a challenge for decades in spite of extensive research. Dynamic correlation which manifests itself as Dynamic Heterogeneity is ubiquitous in a vast variety…

Statistical Mechanics · Physics 2021-09-22 Anoop Mutneja , Smarajit Karmakar

In a microrheological set-up a single probe particle immersed in a complex fluid is exposed to a strong external force driving the system out of equilibrium. Here, we elaborate analytically the time-dependent response of a probe particle in…

Soft Condensed Matter · Physics 2021-08-06 Sebastian Leitmann , Suvendu Mandal , Matthias Fuchs , Antonio M. Puertas , Thomas Franosch

We develop a fully continuous model for colloidal suspensions with hydrodynamic interactions. The Navier Stokes Phase Field Crystal (NS-PFC) model combines ideas of dynamic density functional theory with particulate flow approaches and is…

Soft Condensed Matter · Physics 2015-04-27 Simon Praetorius , Axel Voigt

Main characteristics of colloidal systems that develop fluid phases with different mechanical properties, namely shear-banding fluids, are briefly reviewed both from experimental and theoretical (modelling) point of view. A non-monotonic…

Soft Condensed Matter · Physics 2009-03-05 Daniel Quemada , Claudio Berli

We study the dynamics of solutions of infinitely thin needles up to densities deep in the semidilute regime by Brownian dynamics simulations. For high densities, these solutions become strongly entangled and the motion of a needle is…

Soft Condensed Matter · Physics 2017-07-17 Sebastian Leitmann , Felix Höfling , Thomas Franosch