(PS5)Approximate Modal Analysis of Thin Plates with Dimples and Its Application to Structural Optimization to Decrease Noise

In order to enable structural optimization of a thin plate by adding ruggedness, a new approximate modal analysis has been developed. A new approximate finite element model of a simple plate with additional ribs was proposed and examined.
Fig.1 Fig.2
Relation between position of ruggedness and stiffness of additional rib Comparison of computational cost

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