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Lat. Am. j. solids struct. vol.14 número9

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Figure 1: A multiple cracked FGM beam.
Table 1: Fundamental frequency ratios between beam that has an open edge crack and intact beam
Figure 3: Variation of the secondary frequency ratio of FGM beam which has one open edge crack   (a/h=0.2) and an intact one when crack location move along beam length
Figure 5: Variation of the first three natural frequency ratios of simple support FGM beam that has one   open edge crack (a/h=0.2) and an intact one with different power law index n=0.5, 5, 10
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