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Granular elasticity without the Coulomb condition |
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| Authors: | Jiang Yimin Liu Mario |
| Institution: | Theoretische Physik, Universit?t Tübingen, 72076 Tübingen, Germany. yimin.jiang@uni-tuebingen.de |
| Abstract: | 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. |
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