me 461 mechanical vibrations fall 2014 …me 461 mechanical vibrations fall 2014 preparation for...

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ME 461 Mechanical Vibrations Fall 2014 Preparation for Mini-exam #4 Reading: • Chapter 3, sections 5, 6, 11 (repeated from previous assignment) • Chapter 4, sections 1, 2 (new reading) Homework: • Chapter 3: support motion/isolation: 3.20, 3.21, 3.25, 3.28; measuring devices: 3.43, 3.45, 3.47 (all repeated from HW #3) • Chapter 4: 4.1 and 4.2 (new, exercises in calculus to determine the time and amplitude of the peak of the impulse response – you should plot these versus the damping ratio for future reference and problem solving) • Three from the book, Engineering Vibration, by D. J. Inman, 3 rd ed., Prentice Hall, 2008: • Problem A: The system has m=3.0kg, k=2.0 X 10^5 N/m, the design constraint is 0.01m max deflection, and note that the bird does not stick to the camera after hitting it.

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Page 1: ME 461 Mechanical Vibrations Fall 2014 …ME 461 Mechanical Vibrations Fall 2014 Preparation for Mini-exam #4 Reading: • Chapter 3, sections 5, 6, 11 (repeated from previous assignment)

ME 461 Mechanical Vibrations Fall 2014 Preparation for Mini-exam #4 Reading:

• Chapter 3, sections 5, 6, 11 (repeated from previous assignment) • Chapter 4, sections 1, 2 (new reading)

Homework:

• Chapter 3: support motion/isolation: 3.20, 3.21, 3.25, 3.28; measuring devices: 3.43, 3.45, 3.47 (all repeated from HW #3)

• Chapter 4: 4.1 and 4.2 (new, exercises in calculus to determine the time and amplitude of the peak of the impulse response – you should plot these versus the damping ratio for future reference and problem solving)

• Three from the book, Engineering Vibration, by D. J. Inman, 3rd ed., Prentice Hall, 2008:

• Problem A: The system has m=3.0kg, k=2.0 X 10^5 N/m, the design constraint is 0.01m max deflection, and note that the bird does not stick to the camera after hitting it.

Page 2: ME 461 Mechanical Vibrations Fall 2014 …ME 461 Mechanical Vibrations Fall 2014 Preparation for Mini-exam #4 Reading: • Chapter 3, sections 5, 6, 11 (repeated from previous assignment)

• Problem B: Here you are to ignore the rotation of the wheel, just

consider its vertical response.

Page 3: ME 461 Mechanical Vibrations Fall 2014 …ME 461 Mechanical Vibrations Fall 2014 Preparation for Mini-exam #4 Reading: • Chapter 3, sections 5, 6, 11 (repeated from previous assignment)

• Problem C:

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