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Shock and Vibration
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2018
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Article
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Tab 4
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Research Article
Dynamic Characteristics of Blade with Viscoelastic Damping Block Based on Complex Eigenvalue Method
Table 4
Natural frequencies and modal damping ratio of the blade.
Order
Mode shape
Natural frequency/Hz
Damping ratio/%
First bending
253.25
0.0954
First bending
1011.75
0.0818
First torsion
1189.50
0.0242