A multilayer shallow model for dry granular flows with the $\mu (I)$ rheology: Application to granular collapse on erodible beds

Enrique D. Fernández-Nieto, José Garres-Díaz, Anne Mangeney +1

In this work we present a multilayer shallow model to approximate the Navier-Stokes equations with hydrostatic pressure and the $\mu (I)$-rheology. The main advantages of this approxi…