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This paper presents the results of an experimental study of the deformation and fracture of nature-inspired cellular structures under high-velocity compression. Tests are conducted on specimens with Schwarz primitive structure with various volume fractions, as well as solid specimens. The specimens are fabricated from a polymer (polylactide) using 3D printing. An increase in ultimate strength and elastic modulus is observed with increasing deformation velocity at a constant volume fraction φ . Specific energy absorption values are determined for the cellular structures studied. It is confirmed that the Gibson–Ashby relation is valid for cellular structures under high-velocity loading conditions.
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Kolyvanov et al. (2026) studied this question.
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