Deformations Boundary Conditions During a Soil Structure Interaction Analysishttps://communities.bentley.com/products/geotech-analysis/f/forum/210615/deformations-boundary-conditions-during-a-soil-structure-interaction-analysisHi All, I am studying the seismic response of a structure with soil structure interaction in Plaxis 3D About the dynamics boundary conditions I know that free field are probably the best way to reproduce the lateral soil, obviously ensuring a certainen-USTelligent Community 12RE: Deformations Boundary Conditions During a Soil Structure Interaction Analysishttps://communities.bentley.com/thread/639482?ContentTypeID=1Tue, 16 Mar 2021 16:50:13 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:be33b48e-e983-4d80-9015-fe1ca2d5285eStefanos Papavasileiou<p>Dear Fausto,</p> <p>No worries, when running a Dynamic analysis the deformation fixities are ignored and replaced by the dynamic free-field boundaries.</p><div style="clear:both;"></div>