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