PSI - Issue 24

Venanzio Giannella et al. / Procedia Structural Integrity 24 (2019) 559–568 V. Giannella / Structural Integrity Procedia 00 (2019) 000 – 000

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Fig. 5. (a) Microphones positions (in yellow) and (b) monopole source positions (in red), representing the output and input positions for the optimization process respectively.

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Fig. 6. Boundary conditions: (a) clamped structural nodes, (b) non-reflecting boundary conditions.

Initial tentative sound power amplitude and phase were assigned for each monopole source; such values were then step by step adjusted by the optimization procedure.