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Thank you very much, now I have no zero reactions.
I don't know OpenSees so I modified the file MomentCurvature3D.tcl where there is the line
integrator LoadControl 0 1 0 0

Thanks.

I added this line
recorder Element -file data/ElemForces.out -time -ele all force;
The file contains only zeros.

Thanks.

Thank you very much for your suggestion. Now the program doesn't exit, but the reactions are zero.
Did you solve a similar problem?

Using PrintScreen command I captured the OpenSees window just before it exit. There are three warnings(equal) and a fatal: WARNING PlainHandler::handle() – non-homogeneos constraint for node 1002 homo assumed WARNING PlainHandler::handle() – non-homogeneos constraint for node 1002 homo assumed WARNI...

I did what you told me, but OpenSees exit. Can you check my data file? I built a rectangular section using a file similar to "Ex9c.build.RCSection.RectUnconfinedSymm3D.tcl". Then I created the following analysis file: # ********************************************************* # **********...

I try to explain better the problem:
I know the axial deformation and the two curvatures.
Can I calculate the axial force and the moments that produce, in a rc section, these components of deformation?

Are you sure that OpenSees can do it?

I think you are referring to example 9. I looked at it but I believe it doesn't solve my problem. In that example the axial force is assigned and only a curvature about one axis is considered.

I'm a new user so I don't know OpenSees in depth.

Please, can you show me how I can do?



Thanks.

Hi,
I want to calculate the forces corresponding to a given axial deformation and curvatures in a rc section.
How could I do?

Thanks