Pointwise Explosive-Induced Pyroshock Wave Prediction Based on Numerical Conditioning of Laser Shocks

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A pointwise explosive-induced pyroshock prediction scheme based on the numerical conditioning of laser shocks is proposed to nondestructively predict a point source pyroshock at any point. In the pyroshock prediction scheme, the estimation models of the subband envelopes of pyroshocks incorporated into the signal processing algorithm were used to numerically condition the laser shocks. The conditioned laser shocks showed the ability to predict the SRS and time-domain waveform of pyroshock signals at any point with the averaged mean acceleration difference (MAD) of 27.25 % and the averaged peak-to-peak acceleration difference (PAD) of 18.13 % respectively. Using the prediction scheme, two-dimensional (2-D) spatial conditioned laser shocks were obtained and used to visualize the pyroshock wave propagation in an interest area of 100 x 100 mm(2).
Publisher
SPRINGER
Issue Date
2014-11
Language
English
Citation

EXPERIMENTAL MECHANICS, v.54, no.9, pp.1651 - 1671

ISSN
0014-4851
DOI
10.1007/s11340-014-9952-5
URI
http://hdl.handle.net/10203/264270
Appears in Collection
AE-Journal Papers(저널논문)
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