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RISA dusty gas model-direct simulation Monte Carlo algorithm to simulate flow in micro-porous media
A new efficient direct simulation Monte Carlo -DSMC- method is proposed for the simulation of micro-porous media based on the dusty gas model. Instead of simulating gas flow through a micro-porous medium with a complex geometry of micro...
FLOW AND THERMAL FIELDS INVESTIGATION IN DIVERGENT MICRO/NANO CHANNELS
The present work is related to the study of the nitrogen gas flow through diverging micro/nano-channels. The direct simulation Monte-Carlo (DSMC) method has been used to study the flow. The Simplified Bernoulli Trials (SBT) collision scheme has been...
DETAILED INVESTIGATION OF THERMAL AND HYDRODYNAMIC FLOW BEHAVIOUR IN MICRO/NANO CAVITY USING DSMC AND NSF EQUATIONS
We utilized DSMC method to investigate the effectiveness
of NSF equations in the slip and transient rarefaction regimes.
Monatomic argon confined in a micro/nano lid-driven cavity is
considered in this study. Full NSF equations...
Hybrid DSMC/Navier-Stokes Solution of Rarefied Micro-Nano Flows
In this study, we use a hybrid direct simulation Monte Carlo (DSMC) and Navier-Stokes (NS) algorithm to solve rarefied flow over micro/nano scale flat plate and cylinder. DSMC and NS solvers operate in non-equilibrium and near-equilibrium regions...
Physical Aspects of Rarefied Gas Flow in Micro to Nano Scale Geometries Using DSMC
and nozzles and to provide physical
descriptions on their behaviors. We use DSMC method as a reliable numerical tool to extend
our simulation. It is because the DSMC provides accurate solution for the Boltzmann
equations over the entire...
DSMC Solution of Supersonic to Choked Subsonic Flow in Micro to Nano Channels
In this study, the supersonic and choked subsonic flows
through micro/nano channels are investigated using direct
simulation Monte Carlo (DSMC) method. The supersonic case
is simulated at different Knudsen numbers covering slip...
Study of Gas Flows in Micro-Nano Scale Geometries Using an Unstructured DSMC Solver
The current research uses an unstructured direct simulation
Monte Carlo (DSMC) solver to numerically investigate
supersonic and subsonic flow behavior in micro convergent–
divergent nozzles over a wide range of rarefaction...
Mass Flow Rate Scaling of the Continuum-Based Equations Using Information Preservation Method
Kinetic theory based numerical scheme such as direct simulation Monte Carlo (DSMC) and
information preservation (IP) schemes properly solve micro-nano flow problems in
transition and free molecular regimes. However, the high...
Trials of an Open Source DSMC code
This paper presents the results of DSMC simulations using dsmcFoam – a recently developed module of OpenFOAM. OpenFOAM (Open Field Operation and Manipulation) is a programmable CFD toolkit supplied with source code and compilers. Open...
A Generalized Form of the Simplified Bernoulli Trial Collision Scheme Applied to Shock Waves
The motivation of this research is to present a generalization of the inter-molecular collision schemes in the framework of the direct simulation Monte Carlo (DSMC) method
derived from the Kac stochastic equation. Here, we derive a...