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Anisotropic visco-hypoplasticity (AVHP)

Anisotropic Visco-Hypoplasticity (AVHP) as proposed by Niemunis & Grandas (2009)1. The numgeo keyword reads:

*Mechanical = AVHP
e_0(p=100) (-), lambda (-), kappa (-), I_v (-), D_r (-), varphi_c [rad], C_1 (-), C_2 (-)
C_3 (-), K^w(F/A)

Info

The AVHP model1 was developed and originally implemented by A. Niemunis, C. Grandas and F. Prada. For allowing us to incorporate the model in numgeo, we sincerely thank them.

  1. A Niemunis, C E Grandas-Tavera, and L F Prada-Sarmiento. Anisotropic visco-hypoplasticity. Acta Geotechnica, pages 293–314, 2009. ↩↩