1 - Intro

1 - Intro - Example 1.1, (motor cycle) Yousuff 6 Rider...

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MEM 423 Mechanics of Vibrations Dr. Ajmal Yousuff Drexel University
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Introduction - Personnel Dr. Ajmal Yousuff Associate Professor, Dept. MEM Rm. AEL-171B, x 1868 ay29@drexel.edu Office hours: TR: 12:00-02:00 + ??? TA: Rm. Office hours: Yousuff MEM423: Vibrations 2
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Grading Policy Home work: 10% ( weekly ) Mid.Exam 1: 25% ( 4 th wee k) Mid.Exam 2: 25% ( 8 th week ) Final Project: 40% ( due: finals week ) Yousuff MEM423: Vibrations 3
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Introduction - Course General Approach: Schematic Representation (Math model) Governing Equations Solutions Interpretations Yousuff MEM423: Vibrations 4
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You are expected to know: Differential equations Modeling of basic mechanical systems Linear algebra Computational techniques Yousuff MEM423: Vibrations 5
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Schematics Represent Components of a system by “spring, mass, and dampers.”
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Unformatted text preview: Example 1.1, (motor cycle) Yousuff 6 Rider Strut Tire Wheel Motor Cycle -model build-up Yousuff MEM423: Vibrations 7 M V M W K S K T C S M R K R C R M W K T K S C S M W M V + M R M W K T K S K S K T C S C S Motor Cycle -approximations Yousuff MEM423: Vibrations 8 2 M W 2K S 2K T 2C S M Eq K Eq C Eq M V + M R If equivalent elements are correct, the last schematic can be used for approximate analysis of vibrations (of motor cycle.) KEEP OBJECTIVES IN MIND Example 1.5 (Crane) Yousuff MEM423: Vibrations 9 W Summary Use schematics to generate models Models can be simplified: By using equivalent elements By reducing D.O.Fs At the expense of details Keep objectives in mind. Yousuff MEM423: Vibrations 10...
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This note was uploaded on 04/27/2011 for the course MEM 423 taught by Professor Yousuff during the Spring '07 term at Drexel.

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1 - Intro - Example 1.1, (motor cycle) Yousuff 6 Rider...

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