Abstract
Mathematical design optimization is utilized to perform design optimization on new sandwich panel concept called OpencellTM. OpencellTM contains two facesheets including an integral cut-and-formed facesheet joined to a flat or curved facesheet. Design optimization of this sandwich panel is challenging due to geometrical interrelations between the cell dimension and the cell depth as well as different forming/cutting geometries. In this study, the optimization performed only on a flat single type of OpencellTM topology called Opencell DeltaTM and the design optimization is performed to find an optimal geometric attributes for this design. Buckling, vibration and local-global static stress analysis is performed to form a multi-objective optimization problem through response surface approximation.
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