Search found 2 matches

by sarahazar
Sun Mar 14, 2021 12:32 am
Forum: OpenSees.exe Users
Topic: Problem with the "Pushover Analysis of 2-Story Moment Frame Example"
Replies: 3
Views: 745

Re: Problem with the "Pushover Analysis of 2-Story Moment Frame Example"

Thank you for your reply.
The error occurs in the Modal Analysis when using the "eigen" command.
Apparently, it is something related to the stiffness of the leaning column
The error disappeared when I changed the zero-stiffness elastic rotational spring of the leaning column to 10^-7 instead of 10^-9
by sarahazar
Thu Mar 11, 2021 6:23 am
Forum: OpenSees.exe Users
Topic: Problem with the "Pushover Analysis of 2-Story Moment Frame Example"
Replies: 3
Views: 745

Problem with the "Pushover Analysis of 2-Story Moment Frame Example"

Hello! I was trying to run the example posted by Dr. Laura Eads (Pushover Analysis of 2-Story Moment Frame). I am getting this error when I run it on OpenSees v.3.2.1 : ProfileSPDLinDirectSolver::solve() - aii < 0 (i, aii): (9, 0) How can I remove this error? Do I need to use the older version of Op...