Design and Testing for Vibration and Shock • Water Turbine Rotor Imbalance • Rotational Unbalance Example—Automobile engine • Vibration and Shock Examples • Natural Frequency (Resonance) • Forcing Frequency • Prolonged Excitation of Natural Frequency • Tacoma Narrows Bridge • Natural and Resonant Frequencies • Effects of Shock and Vibration • Dynamic Inputs • Fragility • Effect of Failures