[HTML][HTML] Combined molecular algorithms for the generation, equilibration and topological analysis of entangled polymers: Methodology and performance

NC Karayiannis, M Kröger - International journal of molecular sciences, 2009 - mdpi.com
We review the methodology, algorithmic implementation and performance characteristics of
a hierarchical modeling scheme for the generation, equilibration and topological analysis of …

The Z1+ package: Shortest multiple disconnected path for the analysis of entanglements in macromolecular systems

M Kröger, JD Dietz, RS Hoy, C Luap - Computer Physics Communications, 2023 - Elsevier
This paper describes and provides Z1+, the successor of the Z-and Z1-codes for topological
analyses of mono-and polydisperse entangled linear polymeric systems, in the presence or …

Modeling of entangled polymer diffusion in melts and nanocomposites: A review

A Karatrantos, RJ Composto, KI Winey, M Kröger… - Polymers, 2019 - mdpi.com
This review concerns modeling studies of the fundamental problem of entangled
(reptational) homopolymer diffusion in melts and nanocomposite materials in comparison to …

Topological analysis of polymeric melts: Chain-length effects and fast-converging estimators for entanglement length

RS Hoy, K Foteinopoulou, M Kröger - … E—Statistical, Nonlinear, and Soft Matter …, 2009 - APS
Primitive path analyses of entanglements are performed over a wide range of chain lengths
for both bead spring and atomistic polyethylene polymer melts. Estimators for the …

Robust algorithm to generate a diverse class of dense disordered and ordered sphere packings via linear programming

S Torquato, Y Jiao - Physical Review E—Statistical, Nonlinear, and Soft …, 2010 - APS
We have formulated the problem of generating dense packings of nonoverlap**, nontiling
nonspherical particles within an adaptive fundamental cell subject to periodic boundary …

Influence of nanorod inclusions on structure and primitive path network of polymer nanocomposites at equilibrium and under deformation

GN Toepperwein, NC Karayiannis… - …, 2011 - ACS Publications
Addition of nanoparticles to polymer melts can significantly alter the mechanical properties
of the resulting composite systems. Here we address the influence of nanorods on …

From dendrimers to dendronized polymers and forests: Scaling theory and its limitations

M Kröger, O Peleg, A Halperin - Macromolecules, 2010 - ACS Publications
A unified Flory-type theory of dendron brushes, dendrimers, dendronized polymers, and
forests yields scaling rules, state diagrams and information on the collapse transition. The …

Mechanical scission of a knotted polymer

M Zhang, R Nixon, F Schaufelberger, L Pirvu… - Nature Chemistry, 2024 - nature.com
Molecular knots and entanglements form randomly and spontaneously in both biological
and synthetic polymer chains. It is known that macroscopic materials, such as ropes, are …

Crystallization of Flexible Chains of Tangent Hard Spheres under Full Confinement

PM Ramos, M Herranz… - The Journal of …, 2022 - ACS Publications
We present results from extensive Monte Carlo simulations on the crystallization of athermal
polymers under full confinement. Polymers are represented as freely jointed chains of …

Entropy-driven crystallization in dense systems of athermal chain molecules

NC Karayiannis, K Foteinopoulou, M Laso - Physical review letters, 2009 - APS
We describe the direct observation of entropy-driven crystallization in simulations of dense
packings of linear hard-sphere chains. Crystal nuclei form spontaneously in the phase …