General characteristic-based algorithm for off-lattice Boltzmann simulations


Bardow, A., Karlin, I.V. and Gusev, A.A. (2006) General characteristic-based algorithm for off-lattice Boltzmann simulations Europhysics Letters, 75, (3), pp. 434-440. (doi:10.1209/epl/i2006-10138-1).

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Description/Abstract

The Lattice Boltzmann method offers an appealing potential for simulation of fluid flows. However, the intrinsic coupling of momentum and space discretization restricts the applicability of the traditional Lattice Boltzmann method to uniform, regular lattices which is often disadvantageous in practice. Available off-lattice Boltzmann algorithms have stability problems which are to be handled at the expense of additional computational cost. Here, we propose and validate a general characteristic-based algorithm for off-lattice Boltzmann simulations that preserves all appealing properties of the standard Lattice Boltzmann method while extending the method to unstructured grids. Both, finite-element and finite-difference implementations of the algorithms are exemplified.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1209/epl/i2006-10138-1
ISSNs: 0295-5075 (print)
Subjects:

ePrint ID: 49245
Date :
Date Event
2 May 2006Submitted
August 2006Published
Date Deposited: 25 Oct 2007
Last Modified: 16 Apr 2017 18:18
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/49245

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