The OpenSees Community

The beam contact elements 2D and 3D available in OpenSees work best in static and quasi-static analyses. Even though inertial forces are calculated in transient analysis the elements are very sensitive to the integration method used. Part of this is due to a simplified method used to evaluate contac...

Frank The itPack library is invoked but not included in the lib folder. The Fortran files are there though. It creates compilation problems, and although is not difficult to eliminate them by commenting lines in the commands.cpp it is quite annoying. The problem has been there for quite a long time ...

Frank, Doing some simulations in OpenSees I found myself specifying soil density three times; when defining the soil model, and two times in the definition of quad elements (density itself and to specify body forces). This is quite confusing, particularly the need for density in the element and in t...

Hi Frank, Some problems I have experienced downloading from the tarball and CVS: a) When you checkout OpenSees directly (not from tarball) from the repository, CVS has problems updating OpenSees/win32/proj/ParallelOpenSeesManyInterpreters (privileges problems). Because of this when you download Open...

Frank,

Thanks! It worked. For some reason the solution project file was linking LIBIFCORE.lib and not LIBIFCOREMT.lib.

I got version 1.7.5 from the tarball, not CVS. Maybe the CVS repository is more updated?

Thanks again.

Pedro

Hi Frank, I am getting the following error message when compiling OpenSees LIBIFCORE.lib(for_init.obj) : error LNK2019: unresolved external symbol __pxcptinfoptrs referenced in function _GETEXCEPTIONPTRSQQ i.e. it has problems linking the library LIBIFCORE.lib I am using vc++ 2005. I open the soluti...

Hi Frank, I tried to run a simple 3D validation case using one single standard brick element (stdBrick) where 7 nodes are fixed and the free node is fixed to move in a certain predefined direction using the standard point constraint (sp). That is, all the degrees of freedom are constrained. The solv...

Hi Frank! The flags we are using are the default flags in makefile.def for Linux RedHat Enterprise Ed (shown below). The DEBUG_FLAG is not defined so I assumed it is blank. I notice that FFLAGS = -Wall. I imagine this will have an effect on the LAPACK, BLAS, etc libraries and therefore on the soluti...

Hi ! I am trying to compile OpenSees in Linux RedHat Enterpise. I am getting this error related to the superLU library. I am sure I am doing something silly here... Anyhelp is welcome. Pedro tingFunction -I/home/parduino/OpenSees/SRC/reliability/domain/spectrum -I/home/parduino/OpenSees/SRC/reliabil...

Frank!

I have the sensation the opensees.exe posted in the web is the debug version. The release win version is much faster that the debug one (7 to 10 times faster) .

Pedro