課程名稱 |
(中文) 振動學 (英文) Mechanical Vibrations |
開課單位 | 機械工程學系 | ||
課程代碼 | M3400 | ||||
授課教師 | 陳永裕 | ||||
學分數 | 3.0 | 必/選修 | 選修 | 開課年級 | 大三 |
先修科目或先備能力: | |||||
課程概述與目標:振動學課程內容含前言、單自由度系統自由振動、簡協外力強迫振動及不具週期性質外力強迫振動、兩自由度系統自由與強迫振動、多自由度系統自由與強迫振動、連續體振動、系統阻尼效應等,旨在使學生了解振動原理、自然頻率、振形及系統反應之演算法。 | |||||
教科書 | S. S. Rao, Mechanical Vibrations, Sixth Edition in SI Units, Pearson Education Limited, 2011. | ||||
參考教材 |
課程大綱 | 學生學習目標 | 單元學習活動 | 學習成效評量 | 備註 | ||
週 | 單元主題 | 內容綱要 | ||||
1 | Fundamentals of Vibration | 1. Basic Concepts of Vibration 2. Spring Elements 3. Mass Elements 4. Damping Elements |
系統元件 |
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2 | Free Vibration of an Undamped Translational System | 1. Free Vibration of an Undamped Torsional System 2. Response of First Order Systems and Time Constant 3. Rayleigh’s Energy Method |
使學生了解無阻尼振動系統之原理、計算與應用 |
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3 | Free Vibration with Viscous Damping | 1. Equation of Motion 2. Solution 3. Logarithmic Decrement 4. Energy Dissipated in Viscous Damping |
使學生了解有阻尼振動系統之原理、計算與應用 |
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4 | Torsional Systems with Viscous Damping | 1. Response of Anvil of a Forging Hammer 2. Shock Absorber for a Motorcycle 3. Analysis of Cannon |
使學生了解有阻尼之扭抗系統原理、計算與應用 |
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5 | Response of an Undamped System Under Harmonic Force | 1. Total Response 2. Beating Phenomenon |
使學生了解無阻尼系統在簡諧力作用下之計算與應用 |
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6 | Response of a Damped System Under Harmonic Force | 1. Total Response 2. Quality Factor and Bandwidth |
使學生了解有阻尼系統在簡諧力作用下之計算與應用 |
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7 | Response of a Damped System Under the Harmonic Motion of the Base | 1. Force Transmitted 2. Relative Motion |
使學生了解有阻尼系統在Base作用力下之計算與應用 |
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8 | Response of a Damped System Under Rotating Unbalance | 1. Deflection of an Electric Motor due to Rotating Unbalance 2. Francis Water Turbine 3. Damping Measurement |
1. 使學生了解系統在不平衡旋轉力作用下之計算 2. 阻尼係數量測 |
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9 | 期中考週 | 期中考週 | 期中考週 |
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10 | Response Under a General Periodic Force | 1. First-Order Systems 2. Second-Order Systems |
使學生了解系統在規則且有週期性作用力下之計算與應用 |
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11 | Response Under a Periodic Force of Irregular Form | 1. Steady-state Vibration of a hydraulic Valve | 使學生了解系統在不規則但有週期性作用力下之計算與應用 |
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12 | Response Under a Nonperiodic Force | 1. Response to an Impulse 2. Response to a General Forcing Condition 3. Response to Base Excitation |
使學生了解系統在沒有週期性作用力下之計算與應用 |
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13 | Free Vibration Analysis of an Undamped System | 1. Frequencies of Spring –Mass System 2. Initial Condition to Excite Specific Mode 3. Free-Vibration Response of a Two-Degree-of-Freedom System |
使學生了解無阻尼系統的自由振動分析 |
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14 | Coordinate Coupling and Principal Coordinates | 1. Principal Coordinates of Spring-Mass System 2. Frequencies and Modes of an Automobile |
使學生了解利用座標轉換來解決作用力之計算 |
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15 | Force-Vibration Analysis | 1.Steady-State Response of Spring-Mass System | 使學生了解力的振動分析與應用 |
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16 | Transverse Vibration of a String or Cable | 1. Equation of Motion 2. Initial and Boundary Conditions 3. Free Vibration of a Uniform String |
使學生了解橫向振動之原理、計算與應用 |
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17 | Vibration Measurement of a Beam | 1. Equation of Motion and Solution 2. Vibration Measurement |
使學生了解梁振動之原理與應用,同時學習振動量測方法,包含共振頻率阻尼與振型等實驗 |
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18 | 期末考週 | 期末考週 | 期末考週 |
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教學要點概述: |