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yeah, I am not quite sure about my response spectrum comparison and guess that you are right. Maybe it is a dumb question but how can I display the response spectrum from the input motion?

thank you for your help bkal, I get my response spectrum after the FNA. It is the response spectrum from the joint resulting from the input motion (sine function). I compare the value of this response spectrum at 5Hz with the value of the max absolute acceleration of the joint and they are not...

that is the first time I use sap2000, so I don´t have much experience with the programm. -what exactly do you mean with compatible? My time history function is a simple sine-function (T=1, Amplitude 1g) -my damping values are zero (when I define the Load Case and when I display the response...

thanks for your help, my Time-History-Function is a user defined sine-function (period = 1) and my damping values are zero. My Load Case Type is FNA. After the analysis I looked at the max absolute joint acceleration and at the Response Spectrum Curves (by 5 Hz - natural frequency SDOF System)...

Hey Guys, I hope you can help me. I have got a comprehension question about the development of a response spectrum. I have modeled a SDOF-System (with a natural frequency of 5 Hz) in sap2000 and stressed the system with a time-history-function. The acceleration results of the single joint are...

Hi stressed, thanks for your advice! I´ve forgotten to define weight. This is how it works.

Hallo , I´m having an issue with Friction Isolator. I´ve defined a SDOF-System (look attachment). There is a single mass in x-Direction (200). I´ve defined a stiffness in U1 and U2 direction (nonlinear). Now I want to change the Friction coefficient (slow and fast) to calculate the...