Free Vibration of Rectangular Plates with Porosity Distributions under Complex Boundary Constraints

<div>Three typical kinds of porosity distributions: (a) type I nonsymmetric distribution; (b) type II symmetric distribution; (c) type III uniform distribution.</div>

Shock and Vibration

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Figure 2

Figure 2: Free Vibration of Rectangular Plates with Porosity Distributions under Complex Boundary Constraints 