Extended Data Fig. 9: Hybrid FEM model for simulating the large-scale octet and Kelvin lattices. | Nature

Extended Data Fig. 9: Hybrid FEM model for simulating the large-scale octet and Kelvin lattices.

From: 3D nanolithography with metalens arrays and spatially adaptive illumination

Extended Data Fig. 9: Hybrid FEM model for simulating the large-scale octet and Kelvin lattices.The alt text for this image may have been generated using AI.

a, Schematic of the hybrid model, in which the lattices near the crack tip are modelled as beam elements and the rest of the sample is modelled as solid elements. b, Simulated stress distribution before crack propagation.

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