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physics of solids: where solid mechanics meets applied math
Mechanics and 3D/4D printing
Understanding (micro) structure-processing-property relationships is central to fostering emerging (additive) manufacturing technologies. We develop a micromechanical toolbox that accurately predicts the macroscopic mechanical features in 3D/4D printed materials, components and devices. Our micromechanical approaches provide critical mechanistic underpinnings for high-precision, multi-material 3D/4D printing processes.
Reference: Lee et al., arXiv, 2026
We recently show that instability leads to mechanical anisotropy in 3D-printed, digital materials at large strains.
Thermodynamically-immiscible mesostructures provide unique opportunities to tailor elasticity and inelasticity in thermoplastic elastomers and their chemical variants at large strains.
Mechanics of phase-separated polymers
We develop a novel methodology to explore the microscopic deformation mechanisms in multi-phase polymeric (or elastomeric) materials that exhibit both "rubbery" and "thermoplastic" features at small to extreme strains. Our model mimics realistic microstructures widely found in the phase-separated soft materials; these efforts form an integral part of research on Mechanics and Geometry.
Reference: Cho et al., J. Mech. Phys. Solids, 2024
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