Genealogy of Hypoplasticity

Equations and References

Equations of the Hypoplastic Law
References on Hypoplasticity
References on Barodesy
 

Introduction
Hypoplasticity illustrated in terms of Elastoplasticity
Hypoplasticity for beginners (German only)
A first insight into hypoplasticity (German only)
Hypoplasticity for lower intermediate (German only) 

Utilities and Links

Implementation in FE Code - UMAT for Abaqus
Element test simulations, Test data, ...
soilmodels.com: free implementations