Volume 11, Issue 3
On the Double-Step PIV Algorithm of Wall-Bounded Flows

Yiding Zhu


Adv. Appl. Math. Mech., 11 (2019), pp. 675-685.

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  • Abstract

Double-step interrogation schemes with decreasing window size are investigated. Particle image pairs are created by Monte Carlo methods based on a simulated hypersonic transitional boundary layer flow. Two types of initial-step interpolation, with and without non-slip conditions at the wall (so-called CSIN and CSI), are respectively investigated. It can be concluded that the non-slip condition is very important to the multi-grid interrogation scheme. CSIN has a good agreement with the preset results but CSI does not.  The error level of CSI near the wall is nearly 5 times that of CSIN.

  • History

Published online: 2019-01

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