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Shock and Vibration
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Shock and Vibration
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2017
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Article
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Tab 6
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Research Article
Experimental Evaluation for the Microvibration Performance of a Segmented PC Method Based High Technology Industrial Facility Using 1/2 Scale Test Models
Table 6
Comparison of responses of two Models by the harmonic tests.
Floor
Response of Nonsegmented Model (um/Ns)
Response of Segmented Model (um/Ns)
Ratio (%)
Excitation frequency (Hz)
Excitation frequency (Hz)
Excitation frequency (Hz)
20
60
60
20
60
60
20
60
60
FAB
21.9
210.8
740.5
10.6
68.5
601.3
48.4
32.5
81.2
R/P
20.4
825.5
415.4
9.2
277.8
94.6
45.1
33.7
22.8