Computer simulations of glasses: the potential energy landscape
We review the current state of research on glasses, discussing the theoretical background
and computational models employed to describe them. This article focuses on the use of the …
and computational models employed to describe them. This article focuses on the use of the …
Effect of the molar volume on the elastic properties of vinylic polymers: A static molecular modeling approach
N Metatla, A Soldera - Macromolecular theory and simulations, 2011 - Wiley Online Library
The effect of the molar volume on the mechanical properties of three polymers is computed
using molecular mechanics. It is demonstrated that elastic properties significantly depend on …
using molecular mechanics. It is demonstrated that elastic properties significantly depend on …
[HTML][HTML] Communication: Newton homotopies for sampling stationary points of potential energy landscapes
One of the most challenging and frequently arising problems in many areas of science is to
find solutions of a system of multivariate nonlinear equations. There are several numerical …
find solutions of a system of multivariate nonlinear equations. There are several numerical …
Lumping analysis for the prediction of long-time dynamics: From monomolecular reaction systems to inherent structure dynamics of glassy materials
In this work we develop, test, and implement a methodology that is able to perform, in an
automated manner,“lumping” of a high-dimensional, discrete dynamical system onto a lower …
automated manner,“lumping” of a high-dimensional, discrete dynamical system onto a lower …
Exploring the potential energy landscape of the Thomson problem via Newton homotopies
Locating the stationary points of a real-valued multivariate potential energy function is an
important problem in many areas of science. This task generally amounts to solving …
important problem in many areas of science. This task generally amounts to solving …
An inversion-relaxation approach for sampling stationary points of spin model Hamiltonians
Sampling the stationary points of a complicated potential energy landscape is a challenging
problem. Here, we introduce a sampling method based on relaxation from stationary points …
problem. Here, we introduce a sampling method based on relaxation from stationary points …
Temperature accelerated dynamics in glass-forming materials
DG Tsalikis, N Lempesis… - The Journal of …, 2010 - ACS Publications
In this work we propose a methodology for improving dynamical sampling in molecular
simulations via temperature acceleration. The proposed approach combines the novel …
simulations via temperature acceleration. The proposed approach combines the novel …
Temporal disconnectivity of the energy landscape in glassy systems
N Lempesis, GC Boulougouris… - The Journal of Chemical …, 2013 - pubs.aip.org
An alternative graphical representation of the potential energy landscape (PEL) has been
developed and applied to a binary Lennard-Jones glassy system, providing insight into the …
developed and applied to a binary Lennard-Jones glassy system, providing insight into the …
Network topology of the states probed by a glassy polymer during physical aging
GG Vogiatzis, LCA van Breemen… - … Theory and Simulations, 2019 - Wiley Online Library
Trajectories of a long‐chain atactic polystyrene system, obtained from long Molecular
Dynamics simulations in the glassy state, are mapped onto a time series of inherent …
Dynamics simulations in the glassy state, are mapped onto a time series of inherent …
Tracking the dynamics of systems evolving through infrequent transitions in a network of discrete states
DN Theodorou, N Lempesis… - … Methods for Dynamics …, 2012 - books.google.com
Many physicochemical, materials, and biological systems whose dynamics is too slow to be
addressed via conventional molecular dynamics (MD) simulations can be considered as …
addressed via conventional molecular dynamics (MD) simulations can be considered as …