2022
DOI: 10.1016/j.amc.2022.127241
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Arbitrary Lagrangian-Eulerian discrete velocity method with application to laser-induced plume expansion

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Cited by 13 publications
(3 citation statements)
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“…This is a consequence of boundary values transfer of the distribution function along the characteristics in velocity interval, that decreases with time. The non-uniform velocity grid with refinement in the neighborhood of zero velocity [5,6] allows to obtain monotonic behavior of macroparameters for high intensity evaporation regime, and in comparison with the results obtained by the DSMC shows a close solution. However, more rarefied flow regimes require dynamic adaptation of the velocity grid.…”
Section: Introductionmentioning
confidence: 74%
“…This is a consequence of boundary values transfer of the distribution function along the characteristics in velocity interval, that decreases with time. The non-uniform velocity grid with refinement in the neighborhood of zero velocity [5,6] allows to obtain monotonic behavior of macroparameters for high intensity evaporation regime, and in comparison with the results obtained by the DSMC shows a close solution. However, more rarefied flow regimes require dynamic adaptation of the velocity grid.…”
Section: Introductionmentioning
confidence: 74%
“…However, the traditional DVM schemes are highly inefficient when applied to the problem under consideration. Instead, we use a recent ALE method [ 35 ], which uses deforming spatial meshes and expanding spatial domains. For the basic explanation of the ALE approach see, e.g., [ 44 , 45 ].…”
Section: Methods Of the Analysismentioning
confidence: 99%
“…Traditional discrete velocity methods (DVM) for kinetic equations are highly inefficient when applied to the problem under consideration. The recent incorporation [ 35 ] of the Arbitrary Lagrangian-Eulerian (ALE) methodology combined with the introduction of the special unstructured mixed-element velocity meshes [ 33 ] allows us now to compute the solution of the problem up to 100 times faster and hence has made it possible to significantly improve the accuracy of calculations and analyze the particle velocity distribution in the laser plume.…”
Section: Introductionmentioning
confidence: 99%