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A sharp transition between liquefaction and transient solidification is observed during impact on a granular suspension depending on the initial packing fraction. We demonstrate, via high-speed pressure measurements and a two-phase…

Soft Condensed Matter · Physics 2016-08-31 J John Soundar Jerome , Nicolas Vandenberghe , Yoel Forterre

We present a quantitative confocal-microscopy study of the transient and final microstructure of particle-stabilised emulsions formed via demixing in a binary liquid. To this end, we have developed an image-analysis method that relies on…

Soft Condensed Matter · Physics 2010-11-04 Job H J Thijssen , Paul S Clegg

We introduce a system of shallow water-type equations to model laboratory experiments of particle-laden flows. We explore homogeneous liquid-solid suspensions of fine, non-cohesive, monodisperse glass beads which propagate as an equivalent…

Fluid Dynamics · Physics 2025-02-11 Andrea Bondesan , Laurence Girolami , François James , Loïc Rousseau

We study the nucleation of nearly-hard charged colloidal particles. We use Monte Carlo simulations in combination with free-energy calculations to accurately predict the phase diagrams of these particles and map them via the freezing…

Soft Condensed Matter · Physics 2024-06-12 Marjolein de Jager , Laura Filion

Dense stellar systems such as globular clusters are believed to harbor merging binary black holes (BHs). The evolution of such binaries is driven by interactions with other stars, most notably, binary-single interactions. Traditionally,…

High Energy Astrophysical Phenomena · Physics 2019-07-31 Adrian S. Hamers , Johan Samsing

Above a certain solid fraction, dense granular suspensions in water exhibit non-Newtonian behavior, including impact-activated solidification. Although it has been suggested that solidification depends on boundary interactions, quantitative…

Soft Condensed Matter · Physics 2017-12-05 Melody X. Lim , Jonathan Barés , Hu Zheng , Robert P. Behringer

During the planetary formation process, mutual collisions among planetesimals take place, making an impact on their porosity evolution. The outcome of these collisions depends, among other parameters, on the tensile strength of the…

Earth and Planetary Astrophysics · Physics 2020-07-17 I. L. San Sebastián , A. Dolff , J. Blum , M. G. Parisi , S. Kothe

The superadiabatic dynamical density functional theory (superadiabatic-DDFT) is a promising new method for the study of colloidal systems out-of-equilibrium. Within this approach the viscous forces arising from interparticle interactions…

Soft Condensed Matter · Physics 2024-06-10 S. M. Tschopp , J. M. Brader

Acid-base equilibria directly influence the functionality and behavior of particles in a system. Due to the ionizing effects of acid-base functional groups, particles will undergo charge exchange. The degree of ionization and their…

Soft Condensed Matter · Physics 2023-10-10 Leticia López-Flores , Monica Olvera de la Cruz

Dissipative features of dark matter affect its clustering properties and could lead to observable consequences for the evolution of large--scale structure. We analyse the evolution of cold dark matter density perturbations allowing for the…

Cosmology and Nongalactic Astrophysics · Physics 2019-01-21 Giovanni Acquaviva , Anslyn John , Aurélie Pénin

We conduct molecular dynamics simulations of the collision of atomic clusters with a weakly-attractive surface. We focus on an intermediate regime, between soft-landing and fragmentation, where the cluster undergoes deformation on impact…

Other Condensed Matter · Physics 2007-09-29 A. Awasthi , S. C. Hendy , P. Zoontjens , S. A. Brown , F. Natali

Suspensions of hard colloidal particles frequently serve as model systems in studies on fundamental aspects of phase transitions. But often colloidal particles that are considered as ``hard'' are in fact weakly charged. If the colloids are…

Soft Condensed Matter · Physics 2014-03-24 Sven Dorosz , Nikhilesh Shegokar , Tanja Schilling , Martin Oettel

Interparticle interactions and bulk properties of colloidal suspensions can be substantially modified by addition of nanoparticles. Extreme asymmetries in size and charge between colloidal particles and nanoparticles present severe…

Soft Condensed Matter · Physics 2018-01-03 Alan R. Denton

Recent computational and theoretical studies have shown that the deformation of colloidal suspensions under a steady shear is highly heterogeneous at the particle level and demonstrate a critical influence on the macroscopic deformation…

Soft Condensed Matter · Physics 2018-03-01 Kevin Chen , Bin Wu , Guan-Rong Huang , Gaibo Zhang , Yangyang Wang

We present a statistical model which is able to capture some interesting features exhibited in the Brazilian test. The model is based on breakable elements which break when the force experienced by the elements exceed their own load…

Soft Condensed Matter · Physics 2016-05-24 Sumanta Kundu , Anna Stroisz , Srutarshi Pradhan

We consider counterions in the presence of a single planar surface with a spatially inhomogeneous charge distribution using Monte-Carlo simulations and strong-coupling theory. For high surface charges, multivalent counterions, or pronounced…

Soft Condensed Matter · Physics 2009-11-07 Andre G Moreira , Roland R Netz

The coordinate and momentum space configurations of the net baryon number in heavy ion collisions that undergo spinodal decomposition, due to a first-order phase transition, are investigated using state-of-the-art machine-learning methods.…

Nuclear Theory · Physics 2019-12-23 Jan Steinheimer , LongGang Pang , Kai Zhou , Volker Koch , Jørgen Randrup , Horst Stoecker

From experimental studies it is well-known that colloidal particles suspended in a near-critical binary solvent exhibit interesting aggregation phenomena, often associated with colloidal phase transitions, and assumed to be driven by…

Soft Condensed Matter · Physics 2015-06-19 John R. Edison , Nikos Tasios , Simone Belli , Robert Evans , Rene van Roij , Marjolein Dijkstra

The addition of co-solutes to colloidal suspensions is often employed to induce tunable depletion interactions. In this work we investigate effective colloidal interactions arising from binary co-solute mixtures of hard spheres and patchy…

Soft Condensed Matter · Physics 2021-08-25 Philip H. Handle , Emanuela Zaccarelli , Nicoletta Gnan

Discrete element (DEM) simulations demonstrate that granular materials are non-simple, meaning that the incremental stiffness of a granular assembly depends on the gradients of the strain increment as well as on the strain increment itself.…

Soft Condensed Matter · Physics 2018-12-20 Matthew R. Kuhn , Ching S. Chang