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Need Help with ANSYS WB 14 Seismic and Tuned Mass Damper Simulation

Need Help with ANSYS WB 14 Seismic and Tuned Mass Damper Simulation

Need Help with ANSYS WB 14 Seismic and Tuned Mass Damper Simulation

(OP)
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: http://webshaker.ucsd.edu/homework/ElCentro.txt

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?

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