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Masoud Darbandi and Ehsan Roohi A hybrid DSMC/Navier–Stokes frame to solve mixed rarefied/nonrarefied hypersonic flows over nano-plate and micro-cylinder International Journal for Numerical Methods in Fluids 72

Article first published online: 4 FEB 2013 | DOI: 10.1002/fld.3769

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Developing a novel one-way hybrid algorithm, the DSMC and Navier–Stokes (NS) solvers are unified in one framework to solve the rarefied flows more robustly. Using this algorithm, we do not need a pure DSMC simulator to solve the entire shock wave region; although the shock wave region is a non-equilibrium one. We show that the current algorithm can predict the surficial properties very accurately while spending much less computational time comparing with the coupled DSMS–NS or pure DSMC solvers.

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