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An open source, parallel DSMC code for rarefied gas flows in arbitrary geometries [PDF]

Computers and Fluids, 2010
This paper presents the results of validation of an open source Direct Simulation Monte Carlo (DSMC) code for general application to rarefied gas flows. The new DSMC code, called dsmcFoam, has been written within the framework of the open source C++ CFD ...
Ehsan Roohi, Craig White, Masoud Darbandi   +2 more
exaly   +5 more sources

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Gridless DSMC

Journal of Computational Physics, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Spencer E. Olson, Andrew J. Christlieb
openaire   +2 more sources

An object-oriented approach to the DSMC method

Proceedings of the 2002 joint ACM-ISCOPE conference on Java Grande - JGI '02, 2002
A Direct Simulation Monte Carlo (DSMC) code has been developed in Java 2, based on the original FORTRAN DSMC code of G.A. Bird [1] and extensions to it by Anderson and Dunn [2] and Long and Anderson [3]. Although these FORTRAN codes perform quite well, conversion to Java satisfies an initiative to develop a more maintainable DSMC code while retaining a
Darryl J. Genovesi, Lyle N. Long
openaire   +2 more sources

Recent advances and current challenges for DSMC [PDF]

Computers and Mathematics With Applications, 1998
The current status of the direct simulation Monte Carlo (or DSMC) method is reviewed with particular emphasis on its range of validity, the extent of its validation against experiment, and the new molecular models that have been developed in the context ...
G A Bird
exaly   +2 more sources

An Improved-Accuracy DSMC Algorithm

AIP Conference Proceedings, 2008
The Direct Simulation Monte Carlo (DSMC) method is widely considered to be both an accurate and general method for simulating non‐continuum gas flows and a computationally intense method because of its molecular nature. Recently, the originator of the method proposed a new variant of DSMC, termed “sophisticated DSMC.” This new DSMC algorithm aims at ...
M. A. Gallis, J. R. Torczynski, D. J. Rader, G. A. Bird, Takashi Abe   +4 more
openaire   +1 more source

Chemical Reactions in DSMC

AIP Conference Proceedings, 2011
DSMC simulations of chemically reacting gas flows have generally employed procedures that convert the macroscopic chemical rate equations to reaction cross‐sections at the microscopic level. They therefore depend on the availability of experimental data that has been fitted to equations of the Arrhenius form.
openaire   +1 more source

Parallel Implementation of a Corrected DSMC Method

2001
In the paper it is suggested a correction of the Bird's algorithm in the DSMC method. It takes account of real distribution of collision events inside the time steps Δt and actual trajectories for the collided particles there thus diminishing asymptotical order of the error in time evolution from O(Δt) to O((Δt)2).
Svetlana Ignattieva, Vladimir Memnonov
openaire   +2 more sources

Benchmark verification of PIC-DSMC programs

Journal of Computational Physics
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zakari Eckert, Jeremiah J. Boerner, Taylor H. Hall, Russell Hooper, Anne M. Grillet, Jose L. Pacheco   +5 more
openaire   +2 more sources

DSMC simulation of clusterization in the gas

2015 International Conference on Mechanics - Seventh Polyakhov's Reading, 2015
DSMC models of cluster formation based on the size-corrected classical nucleation theory (CNT) and on the kinetic theory are used for simulation of stationary water condensation process. The relaxation of the size distribution function is calculated for the spatially homogeneous case, where the water monomer parameters are kept constant.
Nikolay Bykov, Yuriy Gorbachev
openaire   +1 more source

On the Time Step Error of the DSMC

AIP Conference Proceedings, 2003
The time step truncation error of the DSMC is examined numerically. Contrary to the claim of [S.V. Bogomolov, U.S.S.R. Comput. Math. Math. Phys., Vol. 28, 79 (1988)] and in agreement with that of [T. Ohwada, J. Compt. Phys., Vol. 139, 1 (1998)], it is demonstrated that the error of the conventional DSMC per time step Δt is not O(Δt3) but O(Δt2 ...
openaire   +1 more source