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- W3039389845 abstract "Additive manufacturing offers new design opportunities for composite sandwich structures. The work presented herein builds on the concepts of the coating approach for topology optimization of shell-infill structures by using density gradients to determine local material orientations. A generalized material property interpolation scheme is presented and the sensitivity analysis for the minimum compliance optimization problem is developed. The approach is demonstrated for an orthotropic shell using the Messerschmitt-Bölkow-Blohm benchmark problem and results approach the isotropic solution when an equivalent in-plane modulus is considered. To adapt the approach to composite sandwich structures, a methodology based on the addition of a contour finding step is presented to define separate properties in the exterior shell from interior shells. The work introduces a new approach in topology optimization to tackle composite fibre reinforced sandwich structures that would benefit from a complex core structure obtained by additive manufacturing." @default.
- W3039389845 created "2020-07-10" @default.
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- W3039389845 date "2020-11-01" @default.
- W3039389845 modified "2023-10-10" @default.
- W3039389845 title "Extensions of the coating approach for topology optimization of composite sandwich structures" @default.
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- W3039389845 doi "https://doi.org/10.1016/j.compstruct.2020.112682" @default.
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