Showing 1 - 10 of 66
Molecular dynamics (MD) models require comprehensive computational power to simulate nanoscale phenomena. Traditionally, central processing unit (CPU) clusters have been the standard method of performing these numerically intensive computations. This article investigates the use of graphical...
Persistent link: https://www.econbiz.de/10012044941
In order to manufacture parts with dimensions of nanometres, high–technology equipment is required. There is a demand to study nano-metric cutting mechanisms and phenomena appearing in this level. However, experiments are difficult to be realized, so computational methods are employed....
Persistent link: https://www.econbiz.de/10012046618
In this article, density functional theory (DFT) based on ab initio molecular dynamics (AIMD) is used to study the combustion reaction of a specific rocket fuel, hydrazine (N2H4), accomplished by using dinitrogen tetroxide (N2O4) as the oxidant. The atomic model consists of 1:1 ratio of N2H4 and...
Persistent link: https://www.econbiz.de/10012049194
We propose a two-dimensional computational model for deep landslides triggered by rainfall, based on interacting particles or grains. The model describes a vertical section of a fictitious granular material along a slope, in order to study the behavior of a wide-thickness landslide. The...
Persistent link: https://www.econbiz.de/10010996394
Mutual diffusion in condensed phases is a theoretically and practically important subject of active research. One of the most rigorous and theoretically advanced approaches to the problem is a recently developed approach based on the concept of penetration lengths (Physica A 320 (2003) 211; Physica...
Persistent link: https://www.econbiz.de/10010873064
Using molecular dynamics simulations and integral equations wee investigate the structure, the thermodynamics, and the dynamics of a system of particles interacting through a continuous core-softened ramp-like interparticle potential. We found density, dynamic and structural anomalies similar to...
Persistent link: https://www.econbiz.de/10010873622
Novel technological applications often involve fluid flows in the Knudsen regime in which the mean free path is comparable to the system size. We use molecular dynamics simulations to study the transition between the dilute gas and the dense fluid regimes as the fluid density is increased.
Persistent link: https://www.econbiz.de/10010873896
Coating carbon nanotubes (CNTs) with peptides can solubilize the nanotubes in water solvent. To explore the utilization of CNTs in solvent and the affinities of CNTs for different peptides, binding free energies of peptides to single-walled carbon nanotubes (SWCNTs) are calculated and analyzed....
Persistent link: https://www.econbiz.de/10010874069
Using a simplified model of a dissipative discrete-particle fluid we study the formation of surface waves under vertical vibration. The only dissipative forces included in this two-dimensional molecular dynamics simulation act normally to the line of contact during collisions; transverse...
Persistent link: https://www.econbiz.de/10010874209
Spinodal decomposition in a three-dimensional Lennard–Jones system with one million particles is studied via molecular dynamics simulations. The interfacial width in the system is about 40 times smaller than the linear system dimension, i.e., the system size therefore is comparable to recent...
Persistent link: https://www.econbiz.de/10010874645