1、Introduction to Engineering MechanicsDar-Yun Chiang,Objectives,To provide an introduction of: Fundamental concepts, General principles, Analysis methods, Future Studies in Engineering Mechanics.,Outline,1. Engineering Mechanics2. Fundamental Concepts3. General Principles4. Static Analysis5. Dynamic
2、Analysis6. Future Studies,1. Engineering Mechanics,Mechanics :- Rigid-body Mechanics- Deformable-body Mechanics- Fluid MechanicsRigid-body Mechanics : - Statics - Dynamics,Statics Equilibrium Analysis of particles and bodiesDynamics Accelerated motion of particles and bodies Kinematics and KineticsM
3、echanics of MaterialsTheory of Vibration,1. Engineering Mechanics,2. Fundamentals Concepts,Basic QuantitiesLength, Mass, Time, ForceUnits of Measurementm, kg, s, N(SI, Int. System of Units)- Dimensional Homogeneity- Significant Figures,2. Fundamentals Concepts,IdealizationsParticles Consider mass bu
4、t neglect sizeRigid Body Neglect material propertiesConcentrated ForceSupports and Reactions,3. General Principles,- Newtons Laws of MotionFirst Law, Second Law, Third LawLaw of Gravitational Attraction- DAlembert Principle : F+(-ma)=0- Impulse and Momentum- Work and Energy- Principle of Virtual Wor
5、k (Equilibrium),4. Static Analysis,Force and EquilibriumForce System ResultantsStructural AnalysisInternal forcesFrictionCentroid and Moments of InertiaVirtual Work and Stability,5. Dynamic Analysis,Kinematics of a ParticleKinetics: Force and Acceleration Work and EnergyImpulse and Momentum (Impact)
6、Planar Kinematics and Kinetics3-D Kinematics and KineticsVibrations,6. Future Studies,飛 機 結 構 設 計 目 標 1. 成本及重量 (Cost and Weight) 2. 靜力強度 (Static Strength) 3. 耐久性 (Durability) 4. 耐損傷性 (Damage Tolerance) 5. 耐振顫及振動性 (Flutter and Vibration) 6. 耐腐蝕性 (Corrosion Resistance) 7. 耐毀損性 (Crashworthiness) 8. 維修及製造簡易性,6. Future Studies,材料力學、高等材力、結構力學、彈性力學複合材料力學、破壞力學、連體力學、塑性力學黏彈性力學、板殼分析、結構穩定學、有限元素法 流體力學、空氣動力學、熱力學、熱傳與燃燒 振動學、非線性振動學、混沌振動學 高等動力學、結構動力學、隨機振動 數值分析、機率與統計、信號處理、智慧型計算 最佳化分析、導航與控制、系統識別、,Ultimate Challenge,