Non-linear FRF
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Hi,
I am working on a non-linear DE system.
The system is like- y"=(x1-x2)^2 or y"=(x1-x3)^3.
Can anybody tell me how to obtain frequency response function plot of above equations?
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Abhishek Gupte
2012-1-11
If you have Simulink, you can model this equation ( look at the documentation for the demo model 'vdp' for reference ).
Then, use the linear analysis tool for FRF. This blog posting might be helpful: http://blogs.mathworks.com/seth/2010/02/26/how-to-estimate-the-frequency-response-of-a-simulink-model/
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