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SANISAND Abaqus UMAT and Plaxis implementations
Description: Abaqus UMAT and Plaxis implementations of SANISAND constitutive model by Dafalias and Manzari (2004).
Authors: Original implementation by M. Martinelli, C. Miriano and C. Tamagnini. Updated version of umat together with Plaxis interface programmed by D. Mašín. The updated version has been developed under the support of Zhejiang University, Hangzhou, China. Special thanks to Prof. Lizhong Wang and to a. Prof. Yi Hong for releasing the implementation to SoilModels users.
- Dafalias, Y. F. and Manzari, M. T. (2004). Simple plasticity sand model accounting for fabric change effects. Journal of Engineering Mechanics, Volume 130, No. 6, 622-634.