本书从应力和应变的基本概念开始，介绍了有关静力学、动力学、弹性力学、塑性力学、材料力学行为和机理、计算和实验方法、断裂和疲劳、计算机以及民用和空间技术等诸多领域的专业知识，选材广泛，内容精练。
本书适合于工程力学及其他相关专业的大学本科生或研究生作专业英语教材，也可作为科技人员提高英语水平的阅读材料。

孟庆元，1970年毕业于哈尔滨军事工程学院，1978年考取哈尔滨工业大学工程力学专业研究生。1980年1月由国家公派赴英国曼彻斯特大学留学，并于1984年获得博士学位。1991～1993年在美国加州大学圣巴巴拉分校以高级访问学者和副研究员身份从事智能材料研究工作。现为哈尔滨工业大学航天工程与力学系教授，固体力学学科博士生指导教师，哈尔滨工业大学学报（英文版）主编。目前，在固体材料力学、分子设计与分子模拟以及计算力学方法等领域从事教学和研究工作。

Lesson 1 Stress and Strain
Lesson 2 Tensile Stress-strain Behavior
Lesson 3 Torsion of A Circular Bar
Lesson 4 Deflections of Beams
Lesson 5 Gravitation in the Universe
Lesson 6 Equilibrium of Rigid Bodies
Lesson 7 Newton's Laws of Motion
Lesson 8 The Planar Motion of A Rigid Body
Lesson 9 Theorems of Particle Dynamics
Lesson 10 Vibrations of A Single Particle
Lesson 11 Stress Equilibrium and Compatibility
Lesson 12 Elastic Constitutive Relations
Lesson 13 Stress Concentrations
Lesson 14 Buckling of Columns
Lesson 15 What Are Dynamic Problems?
Lesson 16 General Description of Waves
Lesson 17 Potential Energy Method
Lesson 18 Principle of Virtual Work
Lesson 19 Introduction to Computer Hardware
Lesson 20 Introduction to Computer Software
Lesson 21 Metallic Materials
Lesson 22 Nonmetallic Materials
Lesson 23 Composite Materials
Lesson 24 Behavior of Composite Materials
Lesson 25 Basic Deformations of Materials
Lesson 26 Failure Modes of Materials
Lesson 27 Plastic Behavior of A Tensile Bar
Lesson 28 Yield Criteria
Lesson 29 Plastic Flow Rule
Lesson 30 Plastic Limit Analysis
Lesson 31 Mechanisms of Elastic Deformation
Lesson 32 Mechanisms of Plastic Deformation
Lesson 33 Finite Element Method
Lesson 34 Programming A Problem Solution
Lesson 35 Experimental Techniques
Lesson 36 Photoelasticity
Lesson 37 Fracture of Brittle Materials
Lesson 38 Linear Elastic Fracture Mechanics
Lesson 39 Ductile Fracture
I~sson 40 Fatigue in Metals
Lesson 41 Time-Dependent Deformation in Solids
Lesson 42 Viscous Behavior of Polymers
Lesson 43 Creep in Metals
Lesson 44 Friction and Wear of Materials
Lesson 45 Basic Equations of Fluid Mechanics
Lesson 46 Civil Engineering
Lesson 47 The Airplanes
Lesson 48 Communications Satellites
Lesson 49 Travel into Outer Space
Lesson 50 Courses of Mechanics in UMIST
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