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International Journal of Polymer Science
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International Journal of Polymer Science
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2018
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Article
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Tab 2
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Research Article
Parameter Identification of Composite Materials Based on Spectral Model by Using Model Updating Method
Table 2
Experimental natural frequencies of the base beam and the composite beam.
Frequency mode
Base beam (Hz)
Composite beam (Hz)
1
26.8
24.5
2
198.5
177.9
3
518.8
493.8
4
1043.8
970.6
5
1813.5
1651.5