A unified continuum framework links restitution coefficient to macroscopic viscosity via wave attenuation analysis and combines it with μ(I) rheology for rate-dependent granular flow simulations in the material point method.
Caughey, Classical normal modes in damped linear dynamic systems, Journal of applied mechanics 27 (1960) 269–271
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Continuum granular flow model with restitution-derived viscoelastic damping
A unified continuum framework links restitution coefficient to macroscopic viscosity via wave attenuation analysis and combines it with μ(I) rheology for rate-dependent granular flow simulations in the material point method.