reliability analysis diff. between versions

bkosbab · Post by **bkosbab** » Tue Apr 22, 2008 7:08 am

I am starting to play with the reliability modules, but am having difficulties repeating results across OpenSees versions.

I am using example files from Terje Haukaas's InRisk website. Not only are results different, the number of steps are different, and the the relSens doesn't seem to be working at all.

I'd go through the OpenSees change log to take a look at what changes could be causing this, but the change log doesn't seem to be working.

Any ideas?

civilmanjun · Post by **civilmanjun** » Tue Apr 22, 2008 7:28 am

I confront with the same problem, and there are some bugs in Version 1.7.5.
Hope the new OpenSees Version 1.7.6 will be released as soon as possible.

bkosbab · Post by **bkosbab** » Tue Apr 22, 2008 7:59 am

version 2.0 is out, and gives results seemingly closer to 1.7.4/1.7.5

Post by **fmk** » Tue Apr 22, 2008 10:31 am

here is the deal with the reliability .. since Treje left berkeley he has been working on his own older outdated version of OpenSees .. what he releases is for the old version he uses .. it is so far out of date i would not recommend using it to do anything that are in the least bit different from examples he posts .. Prof. michael scott, Prof. kevin mackie and some students of Prof. Armen DerKiureghian are attempting to rewrite large portions of his code so that it is quicker, better designed and written, and more flexible and robust than Terje's.

bkosbab · Post by **bkosbab** » Tue Apr 22, 2008 10:33 am

thanks for the explanation. I look forward to future updates.

civilmanjun · Post by **civilmanjun** » Wed Apr 23, 2008 7:00 am

I want to download old versions.