A New Experimental Method for the Nonlinear Modal Parameter Identification of a Pressurized Water Reactor Fuel Assembly

<div>The new results of LogDec versus the results of the POD (svd) method. (a) Natural frequency. (b) Damping ratio.</div>

Science and Technology of Nuclear Installations

Figure 21: A New Experimental Method for the Nonlinear Modal Parameter Identification of a Pressurized Water Reactor Fuel Assembly 