Abstract:Rapid, isothermal, gravity-driven dry granular flows with incompressible solid grains down an incline are investigated by the thermodynamically consistent constitutive model. To this end, the revised Goodman-Cowin theory is applied for the time evolution of the volume fraction, in which a kinematic internal length is introduced. The Müller-Liu entropy principle is carried out to derive the equilibrium constitutive models, with their dynamic responses postulated in the context of a quasi-static theory. Numerica… Show more
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