نتایج جستجو برای: radius of gyration

تعداد نتایج: 21165854  

2016
Hiroki Abe Martin Kröger

A Monte Carlo study of the mean-square radius of gyration R 2 g and scattering function P(k) with k the magnitude of the scattering vector for semiflexible ring polymers of the trefoil knot was conducted by the use of the discrete version of the Kratky–Porod (KP) wormlike ring model. The behavior of R 2 g and P(k) as functions of the reduced contour length λL, defined as the total contour lengt...

Journal: :Journal of physics 2022

Abstract In order to study the distribution of ions around a thermo-responsive charged nanogel particle in an electrolyte media we use coarse-grained Molecular Dynamics (MD) simulations creation new model was needed, so that created and works but there are many things might consider it. We just getting same radius gyration others models to.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی 1392

flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...

Journal: :Frontiers in Physics 2022

In this work we study microwimmers, whether colloids or polymers, embedded in bulk confinement. We explicitly consider hydrodynamic interactions and simulate the swimmers via an implementation inspired by squirmer model. Concerning surrounding fluid, employ a Dissipative Particle Dynamics scheme. Differently from Lattice-Boltzmann technique, on one side approach allows us to properly deal not o...

Journal: :Physical review letters 2005
Vasileios Symeonidis George Em Karniadakis Bruce Caswell

Dissipative particle dynamics simulations of several bead-spring representations of polymer chains in dilute solution are used to demonstrate the correct static scaling laws for the radius of gyration. Shear flow results for the wormlike chain simulating single DNA molecules compare well with average extensions from experiments, irrespective of the number of beads. However, coarse graining with...

2005
Iwan Jensen

We have calculated long series expansions for self-avoiding walks and polygons on the honeycomb lattice, including series for metric properties such as mean-squared radius of gyration as well as series for moments of the area-distribution for polygons. Analysis of the series yields accurate estimates for the connective constant, critical exponents and amplitudes of honeycomb self-avoiding walks...

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