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Hypoplasticity Clay

Hypoplastic constitutive model for clays proposed by Masin (2005)1. The numgeo keyword reads:

*Mechanical = Hypoplasticity-Clay
varphi_c [grad], p_T (F/A), lambda*(-), kappa (-), N (-), nu (-), alpha (-), K (-)
A_g (-), s_f (-), R (-), beta_r (-), chi (-), G_0 (-), n_g (-), m_rat (-), K^w (F/A), vert. direction
(-), alpha_e (-), alpha_nu (-)

Info

The Hypoplasticity Clay model was developed and originally implemented by David Masin. For allowing us to incorporate the model in numgeo, we sincerely thank him.

  1. D. Masin. A hypoplastic constitutive model for clays. International Journal for Numerical and Analytical Methods in Geomechanics, 29(4):311–336, 2005 2005. doi:10.1002/nag.416. ↩