A generalized hypoelastic constitutive law. Soil Mechanics and Foundation Engineering , volume 5, page 2626, San Francisco, 1985. A constitutive law of the rate type for soils and other granular materials. A novel constitutive law for soils. Generalized hypoelastic constitutive equation.
Stress strain behaviour of granular media.
Computer-aided design of constitutive laws. An outline of hypoplasticity. Hypoplasticity as a constitutive framework for granular materials. D. Kolymbas, E. Bauer. D. Kolymbas, G. Gudehus.