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A facile method to create continuum stochastic sheet-based cellular materials
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DOI：10.1016/j.addma.2025.104917.png)
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Abstract
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While sheet-based lattices are both beautiful and advantageous from an engineering perspective they also present challenges in both design and production. Due to impressive mechanical and thermal properties, they should find application, but their usage is impeded by limited tools allowing them to be tailored. The interest in sheet-based lattices is driven, in part, by the emergence of additive manufacturing which allows them to be realised efficiently. Prior to this many of the exotic structures which are now easily producible were confined to description only by mathematical formula. In deploying sheet-based lattices it would be useful to have means to mimic the stochasticity observed in nature and engineer long range structures which do not suffer from discontinuities. In ‘assembling’ unit cells of different dimensions it is inevitable that the structure will not obey the mathematical definition of the lattice. Without remediation this can result in structures which cease to be useful as the discontinuities dominate performance. This is particularly challenging when seeking to create lattices with a degree of randomness or stochasticity.
Keywords:
sheet-based lattices
additive manufacturing
unit cell assembly
stochasticity
discontinuities
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