Iulian LUPEA, Anca Florina STREMŢAN


In the present paper a panel optimization example presents the potential of the topological optimization to support panel structural improvements for optimal dynamic response of acoustic panels under periodic load. An acoustic panel with some peculiar boundary constraints, has been considered for optimization. In order to limit the elastic deformation of the structure subjected to periodic load, ribs have to be added in the proper areas of the panel. After the optimization iterations, the maximal accepted elastic deformation is not exceeded for all the harmonic excitations performed at the natural damped frequencies in the frequency band of interest. At the predicted areas, the designer will propose a second optimization of size or shape type, that gives the ribs the final geometry.

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