Temperature and its control in molecular dynamics simulations
M Sri Harish, PK Patra - Molecular Simulation, 2021 - Taylor & Francis
The earliest molecular dynamics simulations relied on solving the Newtonian or equivalently
the Hamiltonian equations of motion for a system. While pedagogically very important as the …
the Hamiltonian equations of motion for a system. While pedagogically very important as the …
On the equivalence of Eulerian smoothed particle hydrodynamics, total Lagrangian smoothed particle hydrodynamics and molecular dynamics simulations for solids
Significant advances in nanoscale research have enabled the continuous miniaturization of
devices. With the reduction in the size of the devices, it is important to identify if the …
devices. With the reduction in the size of the devices, it is important to identify if the …
Multiscale modeling of impact through molecular dynamics and smooth particle hydrodynamics
We study the problem of a projectile impacting on a target at different length scales
employing two widely used techniques—molecular dynamics (MD) simulations at atomistic …
employing two widely used techniques—molecular dynamics (MD) simulations at atomistic …
Ergodicity of one-dimensional systems coupled to the logistic thermostat
We analyze the ergodicity of three one-dimensional Hamiltonian systems, with harmonic,
quartic and Mexican-hat potentials, coupled to the logistic thermostat. As criteria for …
quartic and Mexican-hat potentials, coupled to the logistic thermostat. As criteria for …
Nonequilibrium systems: Hard disks and harmonic oscillators near and far from equilibrium
WG Hoover, CG Hoover, JC Sprott - Molecular Simulation, 2016 - Taylor & Francis
We relate progress in statistical mechanics, both at and far from equilibrium, to advances in
the theory of dynamical systems. We consider computer simulations of time-reversible …
the theory of dynamical systems. We consider computer simulations of time-reversible …
Green's function nonequilibrium molecular dynamics method for solid surfaces and interfaces
S Kajita - Physical Review E, 2016 - APS
This study presents a comprehensive procedure to calculate the exact dynamic Green's
function of a harmonic semi-infinite solid and the time trajectories of the atoms, in the …
function of a harmonic semi-infinite solid and the time trajectories of the atoms, in the …
Dynamic principle for ensemble control tools
A Samoletov, B Vasiev - The Journal of Chemical Physics, 2017 - pubs.aip.org
Dynamical equations describing physical systems in contact with a thermal bath are
commonly extended by mathematical tools called “thermostats.” These tools are designed …
commonly extended by mathematical tools called “thermostats.” These tools are designed …
Nonequilibrium temperature measurement in a thermal conduction process
We identify the temperature being measured by a thermometer in a nonequilibrium scenario
by studying heat conduction in a three-dimensional Lennard-Jones (LJ) system whose two …
by studying heat conduction in a three-dimensional Lennard-Jones (LJ) system whose two …
Cumulant analysis of the statistical properties of a deterministically thermostated harmonic oscillator
AN Artemov - Journal of Statistical Physics, 2019 - Springer
Usual approach to investigate the statistical properties of deterministically thermostated
systems is to analyze the regime of the system motion. In this work the cumulant analysis is …
systems is to analyze the regime of the system motion. In this work the cumulant analysis is …
Zeroth Law investigation on the logarithmic thermostat
PK Patra, B Bhattacharya - Scientific reports, 2018 - nature.com
Abstract The Zeroth Law implies that the three systems, each separately in equilibrium and
having the same temperature, must remain so when brought in pairwise or simultaneous …
having the same temperature, must remain so when brought in pairwise or simultaneous …