Search found 5 matches

by Jaka Zevnik
Tue Jul 26, 2005 11:26 pm
Forum: Framework
Topic: SuperLU 3.0
Replies: 2
Views: 6234

Actually the original code compiles just fine in VS.net and the problem does not occur in the release version of the program. I encountered it while running a time history analysis in a debug mode. In this case, time history analysis fails during the first step (a call to one of the functions using ...
by Jaka Zevnik
Tue Jul 26, 2005 5:33 am
Forum: OpenSees.exe Users
Topic: superLU 3.0 problems
Replies: 2
Views: 5143

The iperm_r variable is indeed undefined under certain conditions. Take a look at this topic for the solution:
http://opensees.berkeley.edu/community/ ... =1286#1286.
by Jaka Zevnik
Tue Jul 26, 2005 5:29 am
Forum: Framework
Topic: SuperLU 3.0
Replies: 2
Views: 6234

SuperLU 3.0

There seems to be a bug in the new version of SuperLU (see also http://opensees.berkeley.edu/community/viewtopic.php?t=387 ). It looks like someone has dropped a line in dgstrf.c, leaving variable iperm_r undefined under certain conditions. The relevant code of SuperLU 3.0 is: if ( usepr ) { /* Comp...
by Jaka Zevnik
Thu May 12, 2005 6:17 am
Forum: Framework
Topic: Ground accelerations
Replies: 2
Views: 5330

The type of load pattern used for dynamic analysis would be UniformExcitation, but I do not understand how to use the addInertiaLoadToUnbalance() method to solve my problem. Could you please explain that in more detail? This method takes a "Vector accel" as an argument, where accel is uDot...
by Jaka Zevnik
Thu May 12, 2005 6:14 am
Forum: Framework
Topic: Ground accelerations
Replies: 2
Views: 5330

Ground accelerations

I am trying to implement a new element into OpenSees. It's behaviour also depends on the ground acceleration, so I would like to know where the current ground acceleration values are stored during ground motion analysis. I was browsing through the code but I couldn't find the variables and the appro...