I am currently working on a project using ANSYS WB 14 which I am still learning how to fully utilize. I created a frame system using line body elements and want to simulate the effects of a seismic event. Using the results from the seismic event I want to create a tuned mass damper system to reduce the deflections of the system. The seismic time history is from the 1940 El Centro event and is specifically from this site:
It has been recommended that I perform a response spectrum analysis instead of a transient analysis. The limitations of response spectrum analysis is a maximum of 100 data points and no negative values allowed. So I have the following two questions:
1) In performing a response spectrum analysis, the inputed data is in frequency (Hz) and acceleration (ft/sec^2). How should I go about selecting the appropriate data points? How do I get frequency from the time/acceleration data?
2) The system is modeled as line body frame. How to model a tuned mass damper that is added to this system?
It has been recommended that I perform a response spectrum analysis instead of a transient analysis. The limitations of response spectrum analysis is a maximum of 100 data points and no negative values allowed. So I have the following two questions:
1) In performing a response spectrum analysis, the inputed data is in frequency (Hz) and acceleration (ft/sec^2). How should I go about selecting the appropriate data points? How do I get frequency from the time/acceleration data?
2) The system is modeled as line body frame. How to model a tuned mass damper that is added to this system?