Fig. 5.
Response envelopes of (a) anisotropic and (b) isotropic hypoplastic models. Parameters as in the original paper with s={1,0,0},η10=0·2,η20=0·2,η30=0·9 for the anisotropic model
Response envelopes of (a) anisotropic and (b) isotropic hypoplastic models. Parameters as in the original paper with s={1,0,0},η10=0·2,η20=0·2,η30=0·9 for the anisotropic model