TOPICS
1. Natural frequency and damping from flight data
2. Sine vibration characteristics, GRMS, histogram, kurtosis
3. Sine sweep frequency, octave calculation
4. Random vibration characteristics, GRMS, histogram, kurtosis
5. Nonstationary random vibration, GRMS versus time.
6. Fourier transforms
7. Power spectral density, GRMS
8. Transmissibility function for acceleration
9. Transmissibility function for force
10. Vibration response spectrum - Miles rule
11. Vibration response spectrum - general method
12. Synthesizing time history to satisfy power spectral density
using sinusoids
13. Synthesizing time history to satisfy power spectral density
using random vibration
14. Integration of acceleration time history to determine displacement
and velocity
15. Integration of power spectral density
16. Sample rate criteria/Nyquist rule.
17. Aliasing
18. Filtering
19. Force shock, classical pulse, develop SRS
20. Force shock, arbitrary pulse, develop SRS, arbit program
21. Base excitation, classical pulse, develop SRS, sdofi program
22. Base excitation, arbitrary pulse, develop SRS
23. Integration to velocity and displacement
24. Simple trend removal
|