Fig. 5From: Double defects-induced elastic wave coupling and energy localization in a phononic crystalComparison of numerical simulation results under the a infinite and b finite domain conditions: normalized out-of-plane displacement frequency response functions (top) and the x3-directional operating deflection shapes (bottom) inside the double defects (4, 7) in the phononic crystal at the peak frequencies of 59.51 and 59.85Â kHzBack to article page