B. Yi, G. H. Yoon, and X. Peng. Engineering Optimization 53, no. 12 (2021): 2088-2107. Coated structures are structures with a solid thin-walled coating enclosing substrates. Coated structures with porous substrates (infills) are often adopted in additive manufacturing to reduce the material cost and printing time, while improving robustness against local bucking, unknow...