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Lattice BGK simulation of sound waves

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We consider the application of the lattice Boltzmann BGK model to simulate sound waves in situations where the density variation is small compared to the mean density. Linear sound waves are simulated in two different situations: a plane wave propagating in an unbound region; and a wave in a tube. For both cases the behaviour of the simulated waves is found to be in good agreement with analytic expressions. Non-linear sound waves are also simulated and are seen to display the expected features.
Original languageEnglish
Pages (from-to)235-240
JournalEurophysics Letters
Publication statusPublished - 1998

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