Research Article
A New Experimental Method for the Nonlinear Modal Parameter Identification of a Pressurized Water Reactor Fuel Assembly
Figure 18
Summary of 1st-order modal parameters versus amplitude relationships obtained by POD (svd); : 3%. (a) Natural frequency: in air. (b) Damping ratio: in air. (c) Natural frequency: in still water. (d) Damping ratio: in still water.
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