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96 學年研一機械振動 授課教師： 李炯達 教師研究室： 2202C 電話分機號碼： 3211 學分： 3 適修年級： 大四或研一 預修課程： 動力學、材料力學、工程數學 選別： 選修 評分方式： 期中考二次各佔30%、期末考40% 上課教室： 51212-2 上課時間： 星期二第2,3,4堂 授課目標： 振動學主要探討系統因初始位移或受到外在作用力所產生的振動現象。本課程提供學生對振動學的基本認識，經由振動概念、單自由度、雙自由度、至多自由度之離散系統，介紹振動學的基本學理，而後延伸至連續系統的振動分析以及振動量測與應用。 授課大綱： Fundamentals of Vibration Free Vibration of single Degree of Freedom Systems Harmonically Excited Vibration Vibration Under General Forcing Conditions Two Degree of Freedom Systems Multi-degree of Freedom Systems Continuous Systems Vibration measurements and Applications 教科書 (Text) Rao, Singiresu S., 1998, Mechanical Vibrations, 4th edition, Addison Wesley. (台北) This book is used for an introduction course in vibration engineering. Path through the text: Chapters 1-5, portions of Chapters 6, 7, 8, and 10 will be used. 參考書 (References) Meirovitch, Leonard, 1986, Elements of Vibration Analysis, 2nd edition, McGraw-Hill. (民全書局) Inman, Daniel J., 1994, Engineering Vibration, Prentice Hall, Englewood Cliffs, New Jersey. (民全書局) 課程大綱與進度Outline of Course Week Topics 1 2 1.Fundamentals of Vibration 3 4 2. Free Vibration of single Degree of Freedom Systems 5 6 1st Midterm 7 3. Harmonically Excited Vibration 8 9 4. Vibration Under General Forcing Conditions 10 11 5. Two Degree of Freedom Systems 12 2nd Midterm Exam 13 14 6. Multi-degree of Freedom Systems 15 16 7. Continuous Systems 8. Vibration measurements and Applications 17 Final Exam 18 Course Review and Solution of Final Exam CH1. Fundamentals of Vibration 1.1 Preliminary Remarks The chapter presents the brief introduction of the mechanical vibrations. Any motion that repeats itself for an interval of time is called vibration or oscillation. All bodies possessing mass and elasticity are capable of vibration. Thus, vibratory behavior of engineering machines needs to be taken into account when engineering machines are designed. 1.2 Brief History of Vibration 1.2.1 Origins of Vibration Since ancient times, peop