L27 Elasto-visco-plastic response: creep, stress relaxation, and strain-rate dependent stiffness

[@DivyanshuLal0602]

Thank you professor for this insightful lecture. Can you give some reference for the more advanced viscoplastic constitutive model?

[@dnicolasespinoza5258]

Here you go: Haghighat et al. (2020), "A viscoplastic model of creep in shale". doi.org/10.1190/geo2018-0700.1