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Rethinking Electrostatic Solvers in Particle Simulations for the Exascale Era
Rethinking Electrostatic Solvers Particle Simulations the Exascale Era Computational Physics
2012/5/31
In preparation to the exascale era, an alternative approach to calculate the electrostatic forces in Particle Mesh (PM) methods is proposed. While the traditional techniques are based on the calculati...
Simple absorbing boundary conditions for wave simulations with Smoothed Particle Hydrodynamics
Fluid Mechanics Boundary condition Absorbing layer Lagrangian numerical method SPH
2012/2/29
We study and implement a simple method, based on the Perfectly Matched Layer approach, to treat non reflecting boundary conditions with the Smoothed Particles Hydrodynamics numerical algorithm. The me...
Extension of the Finite Integration Technique including dynamic mesh refinement and its application to self-consistent beam dynamics simulations
Finite Integration Technique, Adaptive Dynamic Mesh Refinement, Particle-In-Cell
2011/9/6
An extension of the framework of the Finite Integration Technique (FIT) including dynamic and adaptive mesh refinement is presented. After recalling the standard formulation of the FIT, the proposed m...
Parallel-tempering cluster algorithm for computer simulations of critical phenomena
Parallel-tempering cluster algorithm computer simulations critical phenomena
2011/8/18
Abstract: In finite-size scaling analyses of Monte Carlo simulations of second-order phase transitions one often needs an extended temperature range around the critical point. By combining the paralle...
Massively parallelized replica-exchange simulations of polymers on GPUs
GPU CUDA Monte Carlo simulations parallel tempering polymers structural transitions
2011/8/5
Abstract: We discuss the advantages of parallelization by multithreading on graphics processing units (GPUs) for parallel tempering Monte Carlo computer simulations of an exemplified bead-spring model...
We report on our implementation of the RHMC algorithm for the simulation of lattice QCD with two staggered flavors on Graphics Processing Units, using the NVIDIA CUDA programming language. The main fe...
The Complemented System Approach: A Novel Method for Calculating the X-ray Scattering from Computer Simulations
Complemented System Approach Method for Calculating the X-ray Scattering Computer Simulations
2010/11/19
In this paper, we review the main problem concerning the calculation of X-ray scattering of simulated model systems, namely their finite size. A novel method based on the Rayleigh–Debye–Gans approxima...