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Localization of a breathing crack using nonlinear subharmonic response signals
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10.1063/1.3275705
/content/aip/journal/apl/95/25/10.1063/1.3275705
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/25/10.1063/1.3275705

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the test structure. PZT indicates piezoelectric transducers. S1 and S2 are MFC sensors. The crack location is identified by and .

Image of FIG. 2.
FIG. 2.

Frequency spectrum for the damaged specimen A1 with an external excitation at . Response at sensor S1.

Image of FIG. 3.
FIG. 3.

Experimental results for the specimen A1. Estimated crack location and confidence bounds at using the and harmonics.

Image of FIG. 4.
FIG. 4.

Effect of the driving voltage on the subharmonic spectra collected at S1. A low voltage subharmonic , a stable subharmonic at high voltage and self-modulation effects are shown upon voltage increase.

Image of FIG. 5.
FIG. 5.

Experimental results for the specimen A2. Estimated crack location and confidence bounds at using the and harmonics.

Tables

Generic image for table
Table I.

Summary of the estimated crack locations for the specimen A1.

Generic image for table
Table II.

Summary of the estimated crack locations for the specimen A2.

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/content/aip/journal/apl/95/25/10.1063/1.3275705
2009-12-21
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Localization of a breathing crack using nonlinear subharmonic response signals
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/25/10.1063/1.3275705
10.1063/1.3275705
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