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Impulse Response

Impulse Response. E80 Modal Vibrations Spring 2009. The Question. In the event of a crash landing of your rocket, what will be the effect on the instruments inside the rocket? (Translation) What is the velocity of impact? What is the impulse response of the rocket structure?. Tap Test.

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Impulse Response

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  1. Impulse Response E80 Modal Vibrations Spring 2009

  2. The Question • In the event of a crash landing of your rocket, what will be the effect on the instruments inside the rocket? (Translation) • What is the velocity of impact? • What is the impulse response of the rocket structure?

  3. Tap Test

  4. Normal Modes of Three Mass Oscillator Rossing,T.D. & Fletcher,N.H, “Principles of Vibration and Sound”, Springer, 1994

  5. Bending Waves in a Beam Radius of Gyration

  6. Bending Waves in a Beam Transverse Waves

  7. Bending Waves in a Beam Transverse Waves Rossing,T.D. & Fletcher,N.H, “Principles of Vibration and Sound”, Springer, 1994

  8. Bending Waves in a Beam Transverse Waves on Beam with Free Ends

  9. Bending Waves in a Beam Rossing,T.D. & Fletcher,N.H, “Principles of Vibration and Sound”, Springer, 1994

  10. Bending Waves in a Beam Rossing,T.D. & Fletcher,N.H, “Principles of Vibration and Sound”, Springer, 1994

  11. E80 Modal Vibrations Lab Compute first three modal frequencies for polycarbonate hollow cylinder. Record hammer “impulse” input Record transient vibration data from strain gauges along the cylinder Record transient vibration data from accelerometer on the cylinder Record transient vibration data from your rocket Estimate the impulse response of your rocket.

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