Difference between undrained A and undrained B

Difference between undrained A and undrained Bhttps://communities.bentley.com/products/geotech-analysis/f/forum/235649/difference-between-undrained-a-and-undrained-bHello All, In PLAXIS, I saw three types of undrained analysis : A,B and C. When I define the material as undrained, my thought is the soil is in an undrained state at the beginning of the analysis. I understand undrained "A" is for effective stressen-USTelligent Community 12RE: Difference between undrained A and undrained Bhttps://communities.bentley.com/thread/732216?ContentTypeID=1Fri, 16 Sep 2022 08:26:50 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:2acdec22-5ed8-4abd-904c-1720c5874f89Vasileios Basas<p>Hi Faisal,<br /> I see that you also submitted a Service Request with the same question. Therefore, it will be answered via that ticket to avoid duplicate answers.</p><div style="clear:both;"></div>