Granular elasticity without the Coulomb condition.
A self-contained elastic theory is derived which accounts both for mechanical yield and shear-induced volume dilatancy. Its two essential ingredients are thermodynamic instability and the dependence of the elastic moduli on compression.
Jiang
Yimin
Y
Theoretische Physik, Universität Tübingen, 72076 Tübingen, Germany. yimin.jiang@uni-tuebingen.de
Liu
Mario
M