MAE147-lecture+12

MAE147-lecture+12 - MAE 147 "Vibrations" Lecture...

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MAE 147 “Vibrations” Lecture 12 Instructor: Professor Andrei Shkel Email: ashkel@uci.edu Office: EG4208
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L12-2 MAE 147 “Vibrations” Professor Andrei M. Shkel Winter 2008 Before we get started ± For this week ² Finishing Chapter 5 ² HW6 due today ² HW7 assigned (due Feb. 27) ² Reading: Sections 6.1, 6.2 (due Feb. 25 th ) ± Last Time ² Laplace Transform
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L12-3 MAE 147 “Vibrations” Professor Andrei M. Shkel Winter 2008 Lecture Outline ± More Complex Forcing Functions ² Discontinuous Forcing Functions ± Heaviside Step Function ± Rectangular Pulse ± Laplace Transform of Discontinuous functions ² General Periodic Inputs ± Fourier Series Method
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L12-4 MAE 147 “Vibrations” Professor Andrei M. Shkel Winter 2008 Discontinuous Forcing Functions ± How to find forced response ? ± Approach 1 ² Look for piece-wise continues solutions ² “Glue” solutions together ± Approach 2 ² Heaviside Step Function representation ² Multiple functions – one expression ² Laplace transform
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L12-5 MAE 147 “Vibrations” Professor Andrei M. Shkel
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MAE147-lecture+12 - MAE 147 "Vibrations" Lecture...

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