PISA has a variety of material models capable of modeling complex soil behaviour. These models include linear and non-linear elastic models, frictional and non-frictional plastic models, critical state models and time dependent creep models. Material models can be changed from one time step to another time step.
Drainage Condition
Fully drained or fully undrained analyses can be carried out for all models. It is possible to analyze some material in drained conditions and analyze other materials in undrained conditions in the same analysis. The drainage condition can also be changed from time to time throughout the analysis.
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