Search found 124 matches

by Tas
Thu Apr 17, 2014 11:52 am
Forum: OpenSees.exe Users
Topic: Capturing the step of analysis that a FBE fails
Replies: 27
Views: 12279

Re: Capturing the step of analysis that a FBE fails

Thanks for the answers. You said: "I put a fix in the code for that.." Does it mean that if i download again the latest version i will be able to try it in my script and test if the warning message still appears? You also said: "..looking at the dW that were spit out when the problem ...
by Tas
Wed Apr 16, 2014 11:01 am
Forum: OpenSees.exe Users
Topic: Capturing the step of analysis that a FBE fails
Replies: 27
Views: 12279

Re: Capturing the step of analysis that a FBE fails

When would such a message about ForceBeamColumn be a problem, only if there is no convergence at the end of the analysis procedure? If such warning messages appear for ForceBeamColumn elements, but at the end of the analysis procedure convergence is reached, is it something that we should worry about?
by Tas
Wed Apr 16, 2014 10:38 am
Forum: OpenSees.exe Users
Topic: Capturing the step of analysis that a FBE fails
Replies: 27
Views: 12279

Re: Capturing the step of analysis that a FBE fails

So the warning message can't be reproduced..! Anyway, if a "capture" of what is appearing on the screen is what i wrote in my 3rd post: ... CTestNormDispIncr::test() – iteration: 1 current Norm: 0.00218257 (max: 0.01, Norm deltaR: 542.135) WARNING – ForceBeamColumn3d::update – failed to ge...
by Tas
Wed Apr 16, 2014 9:53 am
Forum: OpenSees.exe Users
Topic: Capturing the step of analysis that a FBE fails
Replies: 27
Views: 12279

Re: Capturing the step of analysis that a FBE fails

Can you keep the 1 at the end of the test so you can view what i am saying in the screen in order to tell me if everything is o.k indeed :-) ? Maybe this warning message concerns only one iteration of the analysis step (in which it appears) and the "failure" finally doesn't take place at t...
by Tas
Wed Apr 16, 2014 9:29 am
Forum: OpenSees.exe Users
Topic: Capturing the step of analysis that a FBE fails
Replies: 27
Views: 12279

Re: Capturing the step of analysis that a FBE fails

As i said, the analysis procedure finally ends succesfully but before it ends the warning message that i wrote in a previous post appears on the screen (while all the steps are appearing one by one on the screen, in one of them this warning message appears and after that step the procedure continues...
by Tas
Tue Apr 15, 2014 11:29 pm
Forum: OpenSees.exe Users
Topic: Capturing the step of analysis that a FBE fails
Replies: 27
Views: 12279

Re: Capturing the step of analysis that a FBE fails

I run the script in the latest version (2.4.4 rev 5730) and it is the same thing as before. You should watch the process of the analysis (when the steps are keep running) and the 'failure"(?) occurs somewhere between the middle and the end.
by Tas
Tue Apr 15, 2014 2:33 pm
Forum: OpenSees.exe Users
Topic: Capturing the step of analysis that a FBE fails
Replies: 27
Views: 12279

Re: Capturing the step of analysis that a FBE fails

So, the version i am using it isn't the latest... I will try to work with the (real) latest and i will let you know (probably tomorrow because here is late midnight right now...). Thank you
by Tas
Tue Apr 15, 2014 2:23 pm
Forum: OpenSees.exe Users
Topic: Capturing the step of analysis that a FBE fails
Replies: 27
Views: 12279

Re: Capturing the step of analysis that a FBE fails

I think it is the latest version: 2.4.3 rev5695. Windows 64-bit
by Tas
Tue Apr 15, 2014 1:48 pm
Forum: OpenSees.exe Users
Topic: Capturing the step of analysis that a FBE fails
Replies: 27
Views: 12279

Re: Capturing the step of analysis that a FBE fails

fmk wrote:
> nothing has arrive in either mailbox! did you get any sending error
> messages?
No error message. Strange...
by Tas
Tue Apr 15, 2014 1:35 pm
Forum: OpenSees.exe Users
Topic: Capturing the step of analysis that a FBE fails
Replies: 27
Views: 12279

Re: Capturing the step of analysis that a FBE fails

I just sent it again (in both addresses). My address is ending at ... @cha.forthnet.gr
Thank you
by Tas
Tue Apr 15, 2014 12:32 pm
Forum: OpenSees.exe Users
Topic: Capturing the step of analysis that a FBE fails
Replies: 27
Views: 12279

Re: Capturing the step of analysis that a FBE fails

fmk wrote:
> can you send me the script .. everything would seem to indicate that an
> error should be returned .. so i need to step through the code to see what
> is up.
> fmckenna ATTTT berkeley DOTTTTTTTTTTTT edu

Any conclusion about this matter? (Did you receive the script?)
by Tas
Sat Apr 05, 2014 11:21 pm
Forum: OpenSees.exe Users
Topic: (ASAP)problem about the MK-bilin——why it is still elastic
Replies: 8
Views: 8116

Re: (ASAP)problem about the MK-bilin——why it is still elasti

f.ribeiro wrote: > The paper by Scott and Ryan (2013) only addresses the case of > elasto-plastic material with hardening. In the case you have a softening > region, the second paper proposes a calibration procedure for force-based > beam column elements. Hope it helps. I will try to find and read y...
by Tas
Sat Apr 05, 2014 9:59 am
Forum: OpenSees.exe Users
Topic: (ASAP)problem about the MK-bilin——why it is still elastic
Replies: 8
Views: 8116

Re: (ASAP)problem about the MK-bilin——why it is still elasti

f.ribeiro wrote: > The Bilin material and the parameters proposed by Lignos and Krawinkler > (2011) were thought to define a Moment-Rotation relationship. Thus, it is > appropriate to be assigned to concentrated plasticity elements. However, if > you want to implement it in a distributed plasticity ...
by Tas
Wed Apr 02, 2014 10:53 pm
Forum: OpenSees.exe Users
Topic: Choosing right algorithms and test commands
Replies: 5
Views: 5243

Re: Choosing right algorithms and test commands

Maybe "ModifiedNewton -intial" is a better choise...
Take a look at: http://opensees.berkeley.edu/community/ ... =2&t=61388
by Tas
Wed Apr 02, 2014 2:56 am
Forum: OpenSees.exe Users
Topic: PDelta transformation affects on eigen analysis
Replies: 9
Views: 6915

Re: PDelta transformation affects on eigen analysis

If you apply gravity loads and then perform an eigen-analysis, if your elements are defined through fiber sections it would be normal to obtain different eigen-values because the stiffness of the structure isn't the same comparing with the case that there are no loads at all in the structure... When...