POD analysis

POD analysis

[¦pē¦ō′dē ə‚nal·ə·səs]
(analytical chemistry)
A precision laboratory distillation procedure used to separate low-boiling hydrocarbon fractions quantitatively for analytical purposes. Also known as Podbielniak analysis.
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POD analysis of the vertical centerline plane (plots not shown) does not show any of this bi-stable mechanism in the temporal coefficient or first five Eigen modes; instead a pumping mode of the wake is seen, previously demonstrated by Duell & George [5], in the eigenvalue field of the first mode.
POD analysis on this wake plane also highlights two modes, essentially an "on" mode and an "off" mode.
POD analysis of this plane confirms the presence of two modes, but to be visible in this and the off center vertical plane suggests the whole wake must be undergoing a twisting motion.
When POD analysis is performed over the entire wake volume only 6.
Figure 2 illustrates the results of targeting pod analysis for a two-coincident MTW scenario.