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Dear STKO team,
Recently (June 13, 2023), our research group submitted an application for three free STKO licenses, but the license has not yet been successfully extended. I heard it's due to a system malfunction. How long will it take for the system to return to normal? Thank you very much for your ...

Dear Valentina,

After your modification, my model can run normally, but the license of my computer expired today, and then I tried to open this model on another computer, but I met the problem as shown in the picture, may I ask how to solve this error?

Thank you very much for your help and wish ...

Dear STKO team,

I am performing a seismic time history analysis of a prefabricated frame structure.However, the model does not converge. I have been searching for a long time but haven't found the problem. If you could help me modify the model, I would greatly appreciate it.

I attach the model in ...

Dear stko team,

Why is the displacement value of the control point not zero after the end of the load control stage. I want to make the displacement of the control point zero before starting the displacement control stage. Could you help me modify it,

Thank you very much and look forward to your ...

Thank you very much for your help and wish you a happy life!

Dear stko team
Thank you very much for your reply. Your support has greatly helped me learn to use stko. According to your suggestion, I try to do a mixed load (first) and disp (after) control. However, some problems were encountered:
1. How to realize the load control first and then the ...

Dear STKO

I am a beginner of STKO software.

I want to carry out hysteresis analysis on this model to get hysteresis loops.

And I want to adopt a load - displacement hybrid control loading system. First, load control is adopted. When the load reaches 0.4Py, 0.6Py, 0.8Py and 1.0Py, the cycle is ...