Spring Element Error Reports

[parhyang]

Dear,

Modeling simple example with standard spring element are unsolved by OpenSees solver, this is not a problem in case of using OOOFEM. Attached screenshot of error reports,

Regards,

Attachments:

You must be logged in to view attached files.

[NextFEM Admin]

Sorry, no support for OpenSees solver. If the springs are not part of NonLinear module, please attach the model.

[parhyang]

As I guess from analysis logs, it’s call Hinge for OpenSees such as external module by NextFEM. Attached an input files, only standard linear spring element being used. These features are basic common in standard structural analysis software, I’m in case took some comparison with OpenSees solver. May it will be some exception from Nonlinear module of NextFEM ? Thank you for respecting and kindliness.

Attachments:

You must be logged in to view attached files.

[NextFEM Admin]

Thanks for the file. We cannot reproduce the error, because analysis with OS runs fine in our pc.
I can advice to place opensees.exe in the installation folder and ActiveTcl 8.6 must be installed and added to path (see https://www.activestate.com/products/tcl/downloads/).

[parhyang]

I follow as suggested, still it’s not working and sending some message:

application-specific initialization failed: Can't find a usable init.tcl in the following directories: 
    {C:/Program Files/NextFEM/lib/tcl8.6} {C:/Program Files/NextFEM/lib/tcl8.6} {C:/Program Files/lib/tcl8.6} {C:/Program Files/NextFEM/library} {C:/Program Files/library} {C:/Program Files/tcl8.6.10/library} C:/tcl8.6.10/library
This probably means that Tcl wasn't installed properly.
invalid command name "model"
    while executing
"model BasicBuilder -ndm 3 -ndf 6"
    (file "C:\Users\user\AppData\Local\Temp\colsprg1-Q.tcl" line 2)

[parhyang]

Trying to provide requested file and directory, still I got error messages. It seems about version conflict also, where I can get ActiveTcl for version 8.6.10? only version 8.6.9 available there.

[NextFEM Admin]

ActiveTcl 8.6.9 is ok, this is apparently due to the distribution of OpenSees that came along with some tcl init files.
DIscard then and use another built of OpenSees, like: https://github.com/eesd-epfl/OpenSees/blob/master/Win64/bin/OpenSees.exe

[parhyang]

Many thanks, finally it’s working. Trying to understand by exporting to tcl files it shown has element hingespr, how do I found a commands requested and citing the references document?

# spring 5
element hingespr 9 5 6 1 8 1000 5 1 1 0 0 0 0 1 \
100
# spring 6
element hingespr 10 7 5 1 8 1000 6 4 0 -1 0 0 0 1 \
10000

[NextFEM Admin]

This is a custom elements on our own code, no reference for that, it’ll work only inside Designer.
To use outside it, replace the element with a linear spring.

[Author]

Posts