In the following text, you can find some informative articles of the Dlubal website.
Verification Examples
Shallow foundation on cohesive soil - comparing the results of RFEM 6 and Plaxis3D analysis
https://www.dlubal.com/en-US/downloads-and-information/examples-and-tutorials/verification-examples/000218
Triaxial test of elasto-plastic soil in drained conditions
https://www.dlubal.com/de/downloads-und-infos/beispiele/verifikationsbeispiele/000500
FAQ
The terrain surface of my soil to be analyzed is uneven. How can I edit the geometry of my soil massif for the modeling?
https://www.dlubal.com/de/support-und-schulungen/support/faq/005255
What value can I use for cohesion in order to avoid singularities?
https://www.dlubal.com/de/support-und-schulungen/support/faq/005254
Why should the analysis of the nonlinear elastic soil material model be performed with load combinations?
https://www.dlubal.com/de/support-und-schulungen/support/faq/005357