The mechanics of many materials can be modelled by a network of balls connected by springs. A bottom-up approach based on differential geometry now captures changes in mechanics upon network growth or merger, going beyond the linear deformation regime.
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Souslov, A., Vitelli, V. Geometry for mechanics. Nat. Phys. 15, 623–624 (2019). https://doi.org/10.1038/s41567-019-0500-1
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DOI: https://doi.org/10.1038/s41567-019-0500-1
