Applicability of time-average fluid holography for analysis of propagating waves

Minvydas Ragulskis; Arvydas Palevicius; Algimantas Fedaravicius; Liutauras Ragulskis

doi:10.1117/1.2080747

1 October 2005 Applicability of time-average fluid holography for analysis of propagating waves

Minvydas Ragulskis; Arvydas Palevicius; Algimantas Fedaravicius; Liutauras Ragulskis;

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Optical Engineering, 44(10), 105801 (2005). doi:10.1117/1.2080747

Abstract

Numerical procedures for construction of digital patterns of fringes mimicking fluid holograms are developed. Because conventional finite-element fluid analysis techniques are based on the approximation of nodal displacements, conjugate smoothing of the values of volumetric strain is performed in order to obtain realistic holographic images. Two-dimensional fluid oscillations are analyzed using the developed techniques. It is shown that though time-average fluid holography is a powerful optical experimental method for analysis of short-term transient processes and harmonic vibrations, it has rather limited applicability to studying propagating waves.

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Minvydas Ragulskis, Arvydas Palevicius, Algimantas Fedaravicius, Liutauras Ragulskis, "Applicability of time-average fluid holography for analysis of propagating waves," Optical Engineering 44(10), 105801 (1 October 2005). https://doi.org/10.1117/1.2080747

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