• Comparative analysis of buckling behavior between shell-based and truss-based lattices reveals the superior buckling resistance of shell-based designs due to their smooth, continuous geometry. • A three-dimensional buckling-constrained multiscale topology optimization framework is developed using different lattice microstructures and both macrostructural and microstructural buckling are considered in optimization • Shell-based lattices demonstrate clear advantages in multiscale optimization, significantly improving global stability.
Liu et al. (Fri,) studied this question.
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