Change your cover photoUpload Change your cover photoUpload Change your cover photo Lukas Reindl This user account status is Approved followers4 following2 Follow About About Posts Posts Comments Comments Hi Tao Zhu, try to define 20 material-parameters instead of 29 (for PLAXIS) and 16 state-variables (depvar). I already have… On a question on the clay hypoplasticity model with Abaqus umat Hi Kunpeng Wang, Try to run your .INP-File using Abaqus Command. You may create your INP via Abaqus CAE first… On General questions on implementation of sand hypoplasticity model with Abaqus umat Hello Panpan Guo, check out the following link: https://web.natur.cuni.cz/uhigug/masin/plaxumat/download/Hypo-Plaxis.pdf There you find a description of the state parameters (sand and… On General questions on implementation of sand hypoplasticity model with Abaqus umat Hello Ms. Lokesh, we solved the problem and you are right: All spaces of state variables have to be defined… On ERROR Message when using UMAT_hcea with ABAQUS