4. Summary of results#
The following curves represent the various comparisons between Code_Aster and GEFDYN, in terms of isotropic pressure (Figure), plastic volume deformation (Figure) and deviatory work hardening coefficients (Figure).

Figure 4-a : **Cyclic undrained triaxial test* * (Plan \(P\mathrm{-}Q\) ): comparison between Code_Aster solutions and GEFDYN * for a consolidation pressure of \(30\mathrm{kPa}\).

Figure 4-b : Plastic volume deformation as a function of the stress deviator: comparison between Code_Aster solutions and \(\text{GEFDYN}\) * . *

Figure 4-c : monotonic deviation radius as a function of the constraint deviator: comparison between the results of Code_Aster and GEFDYN .