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Research questionHow can constitutive models for multi-material 3D-printed materials capture composition- and rate-dependent behavior while preserving thermodynamic consistency?Varying the mixture of stiff and compliant constituents changes apparent stiffness, nonlinear response, and rate-dependent dissipation. A single model must represent these coupled effects across compositions without sacrificing thermodynamic consistency.
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Latest papersRecent research connected to this question, newest first.Data-Driven Discovery of Composition-Dependent Constitutive Models for Hyperelasticity and Viscoelasticity of Digital MaterialsThe source addresses digital materials fabricated by multi-material 3D printing. Evidence comes from multi-rate uniaxial compression data across multiple compositions, with reported capture of rate-dependent stiffness and hysteresis under a thermodynamically consistent formulation.research paper · Sep 7, 2026
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