Dynamic Analysis
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Dynamic Analysis

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Questions and Answers

What type of analysis is used to determine a structure's response to steady, harmonic loads?

  • Harmonic Response Analysis (correct)
  • Modal Analysis
  • Free Vibration Analysis
  • Random Vibration Analysis

    • What is the lowest natural frequency of a body?

  • Natural frequency
  • Mode shape
  • Resonant frequency
  • Fundamental frequency (correct)

    • What happens when a body is subjected to a dynamic load operating at one of its natural frequencies?

  • Damping occurs
  • Vibration stops
  • Frequency increases
  • Excessive response occurs (correct)

    • What is the purpose of Modal Analysis?

    <p>To calculate the natural frequencies and mode shapes</p> Signup and view all the answers

    What is the shape a body takes when vibrating at a natural frequency?

    <p>Mode shape</p> Signup and view all the answers

    What type of analysis is used to determine how a component responds to random vibrations?

    <p>Random Vibration Analysis</p> Signup and view all the answers

    Why does a car with an out-of-balance tire shake violently at a certain speed?

    <p>Due to resonance</p> Signup and view all the answers

    What is the term for the frequencies at which a body vibrates?

    <p>Natural frequencies</p> Signup and view all the answers

    In Finite Element Analysis (FEA), how many modes are typically considered?

    <p>A few modes</p> Signup and view all the answers

    What is the result of excessive response due to resonance?

    <p>Violent shaking</p> Signup and view all the answers

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