Search found 3 matches

by ioannisVM
Sun Jan 08, 2023 9:51 pm
Forum: OpenSeesPy
Topic: Unexpected: Steel4 and non-zero reactions in unrestrained DOFs
Replies: 0
Views: 9091

Unexpected: Steel4 and non-zero reactions in unrestrained DOFs

Hi everyone, I am a Ph.D. candidate working on structural analysis using OpenSees, and I have encountered an issue that I am struggling to understand. While simulating some BRBF archetypes, I noticed that using the Steel4 material sometimes resulted in non-zero reactions for DOFs that were not restr...
by ioannisVM
Thu Oct 28, 2021 4:50 pm
Forum: OpenSeesPy
Topic: UmfPack solver and multithreading
Replies: 1
Views: 3221

Re: UmfPack solver and multithreading

I would really appreciate it if someone could give me a starting point on this. I still haven't resolved this issue.
by ioannisVM
Mon Sep 27, 2021 7:30 pm
Forum: OpenSeesPy
Topic: UmfPack solver and multithreading
Replies: 1
Views: 3221

UmfPack solver and multithreading

Hello! I run Ubuntu 20.04 on two machines. I am running an analysis using OpenSeesPy that uses the UmfPack solver. On one machine, htop shows that it is using all of the four cores that it has. My new machine has 12 cores, but unfortunately when I run the same script it only utilizes a single core. ...