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Measurement of dynamic full-field internal stresses through surface laser Doppler vibrometry
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10.1063/1.2790379
/content/aip/journal/apl/91/13/10.1063/1.2790379
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/13/10.1063/1.2790379
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Stress as a function of time at the centroid of the bar, as measured using Eqs. (6) and (7) . The excitation was a chirp between and .

Image of FIG. 2.
FIG. 2.

(Color online) Mode shape of the resonant mode, as measured with the laser vibrometer. Bending stress of this mode, measured using Eqs. (6) and (7) , has been mapped to color.

Image of FIG. 3.
FIG. 3.

(Color online) Mode profile of the resonant mode and the best-fit flexural mode shape. The curve fit is . The two curves are almost perfectly superimposed.

Image of FIG. 4.
FIG. 4.

(Color online) Color mapped images of the measured and calculated stresses.

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/content/aip/journal/apl/91/13/10.1063/1.2790379
2007-09-24
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Measurement of dynamic full-field internal stresses through surface laser Doppler vibrometry
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/13/10.1063/1.2790379
10.1063/1.2790379
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