For 3D SSI problem in Opensees giving eqdof or rigidlink b/n structure base & proximity stdbrick element node didnt work
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For 3D SSI problem in Opensees giving eqdof or rigidlink b/n structure base & proximity stdbrick element node didnt work
I defined my structure with a model builder of -ndm 3 -ndf 6 and my soil as -ndm 3 -ndf 3 with a stdbrick element. I connected the base of the structure with the brick elements with eqdof in dof1 and dof2. my analysis failed even for gravity load. what kind of constraints did you use to connect the base of the structure to the soil. I aslo tried to use rigid link, but it gave me an error because we cannot connect two nodes which have different dof. Michael midezutd@gmail.com