New soil material model
![](https://itasca-int.objects.frb.io/assets/img/site/news/NEW_PH_model.png)
A new soil material model has been implemented in FLAC3D Version 6: PH small-strain (PHSS). This is a free update to the existing PH (Plastic Harderning) model. A more detailed description, including how to obtain the update, can be found here.