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理论力学(英文)
第9次开课
开课时间: 2025年02月23日 ~ 2025年06月22日
学时安排: 4
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spContent=Theoretical mechanics is a compulsory basic course for science and engineering students which is widely valued in the teaching process. The Department of Engineering Mechanics of Dalian University of Technology has tremendous strength, distinctive features, glorious history and has a strong and well-experienced teaching and research team. This includes three academicians of the Chinese Academy of Sciences, Lingxi Qian, Wanxie Zhong and Gengdong Cheng. After 60 years of development and evolution, the course of theoretical mechanics has gathered the wisdom through the painstaking efforts of several generations of university workers. In addition, this course has been unanimously recognized and highly appraised by domestic peers.
Theoretical mechanics is a compulsory basic course for science and engineering students which is widely valued in the teaching process. The Department of Engineering Mechanics of Dalian University of Technology has tremendous strength, distinctive features, glorious history and has a strong and well-experienced teaching and research team. This includes three academicians of the Chinese Academy of Sciences, Lingxi Qian, Wanxie Zhong and Gengdong Cheng. After 60 years of development and evolution, the course of theoretical mechanics has gathered the wisdom through the painstaking efforts of several generations of university workers. In addition, this course has been unanimously recognized and highly appraised by domestic peers.
—— 课程团队
课程概述

The course of Theoretical Mechanisc includes three parts: Statics, Kinematics

And Dynamics. The first part, Statics, introduces basic concepts and principles of statics, the free-body diagrams, basic operation with force systemsreduction and resultants of force systemsequilibrium of planar force systemsequilibrium of spatial force systems and friction. The second part, Kinematics, covers kinematics of a point, translation and rotation of rigid bodiescomposite motion of a point and plane motion of rigid bodies. The third part, Dynamics, covers kinetics of a particle, principle of linear impulse and momentumprinciple of angular impulse and momentumprinciple of work and kinetic energycollision, D' Alembert' s principleand principle of virtual displacements.

授课目标

Theoretical Mechanics is a branch of solid mechanics, which provides a basic understanding of the part of mechanics which deals with the equilibrium and accelerated motion of bodies under the action of forces. It lays the foundation and framework for subsequent advanced mechanics courses, such as Mechanics of Materials. The course covers the contents of three parts:

-statics includes the free-body-diagram, planar force systems, spatial force systems, friction, etc.

-kinematics includes the kinematics of a particle, the simple motions of a rigid body, resultant motion of a particle, planar motion of a rigid body, etc.

-kinetics includes the particle dynamics, theorems of linear momentum, angular momentum and kinetic energy of particle systems, D’ Alembert’ s principle, principle of virtual displacement, etc.

The goal of this course is to help students develop a comprehensive understanding of the basic principles of mechanics so that they can apply them to real situations and deal with mechanics problems in engineering.

课程大纲

Charpter 1 Fundamental Concepts of Statics

1.1 Introduction to Mechanics

1.2 Fundamental Concepts

1.3 Support reaction

1.4 Free Body Diagram

Chapter 1 Fundamental Concepts of Statics

Chapter 1 Fundamental Concepts of Static

Chapter 2 Equivalence and Reduction of Force System

2.1 Projection of a force onto axes &Resolution of a force along axes

2.2 Moment of a force and the principle of moment

2.3 Couple and Moment of couple

2.4 Equivalence of force systems

2.5 Addition of concurrent force system

2.6 Reduction of arbitrary force systems

2.7 Reduction of parallel force system

2.8 Center of gravity

Chapter 2 Equivalence and Reduction of Force System

Chapter 2 Equivalence and Reduction of Force System

Chapter 3 Equilibrium of coplanar force system

3.1 Equilibrium equations

3.2 Questions for Equilibrium of planar force system

3.3 Equilibrium for a rigid body system

3.4 Forces in the member of a truss

3.5 Equilibrium of spatial force system

Chapter 3 Equilibrium of coplanar force system

Chapter 3 Equilibrium of coplanar force system

Chapter 4 Friction

4.1 Law of Dry Friction

4.2 Angle of Friction and Self-locking

4.3 Equilibrium Involving Dry Friction

4.4 Rolling Resistance

Chapter 4 Friction

Chapter 4 Friction

Chapter 5 Kinematics of a Particle

5.1 Rectilinear Kinematics

5.2 Vector Analysis of Motion

5.3 Rectangular Components

5.4 Normal and Tangential Components

Chapter 5 Kinematics of a Particle

Chapter 5 Kinematics of a Particle

Chapter 6 Kinematics of a rigid body

6.1 Planar Rigid-Body Motion

6.2 Translation

6.3 Rotation about a Fixed Axis

6.4 Gear System

Chapter 6 Kinematics of a rigid body

Chapter 6 Kinematics of a rigid body

Chapter 7 Composite Motion of a Particle

7.1 Basic Concepts

7.2 Composition of Velocities

7.3 Composition of Accelerations

Chapter 7 Composite Motion of a Particle

Chapter 7 Composite Motion of a Particle

Chapter 8 Planar Kinematics of a Rigid Body

8.1 Planar Rigid-Body Motion

8.2 Analysis of Velocity

8.3 Analysis of Acceleration

8.4 Comprehensive Exercises

Chapter 8 Planar Kinematics of a Rigid Body

Chapter 8 Planar Kinematics of a Rigid Body

Chapter 9 Kinetics of a Particle

9.1 Newton’s laws of motion

9.2 Equations of motion

9.3 Examples

Chapter 9 Kinetics of a Particle

Chapter 9 Kinetics of a Particle

Chapter 10 Theorem of Linear Momentum

10.1 Impulse and Momentum

10.2 Principle of momentum

10.3 Principle of motion of mass center

Chapter 10 Theorem of Linear Momentum

Chapter 10 Theorem of Linear Momentum

Chapter 11 Principle of Angular Momentum

11.1 Principle of Angular Momentum

11.2 Differential Equations of Rotation of a Rigid Body about Fixed-Axis

11.3 Differential Equations of Plane Motion of Rigid Bodies

Chapter 11 Principle of Angular Momentum

Chapter 11 Principle of Angular Momentum

Chapter 12 Theorem of kinetic energy

12.1 Work of Force

12.2 Kinetic energy of particle and particle system

12.3 Theorem of kinetic energy and power equation

12.4 Field of conservative force and potential energy

12.5 Law of conservation of mechanical energy

12.6 Comprehensive application of the principals in Kinetics

Chapter 12 Theorem of kinetic energy

Chapter 12 Theorem of kinetic energy

Chapter 13 Impact

13.1 Definition and Theorem

13.2 Impact Problem of Particle

13.3 Impact Problem of Rigid Body

13.4 Comprehensive Examples

Chapter 13 Impact

Chapter 13 Impact

Chapter 14 D’Alembert’s Principle

14.1 Inertial Force and D’Alembert’s Principle for a Particle

14.2 D’Alembert’s Principle for a System of Particles

14.3 The Simplification of Inertial Forces for a Rigid Body Motion

14.4 Dynamical Reaction of the Bearing Subjected to Rotation of Rigid Body

Chapter 14 D’Alembert’s Principle

Chapter 14 D’Alembert’s Principle

Chapter 15 Principle of Virtual Displacement

15.1 Constraints and Classification

15.2 Virtual Displacement and Virtual Work

15.3 Principle of Virtual Displacement

Chapter 15 Principle of Virtual Displacement

Chapter 15 Principle of Virtual Displacement

展开全部
预备知识

高等数学

参考资料

1. 阮诗伦,马红艳主编, 理论力学,科学出版社,2019

2. 马红艳主编, 理论力学解题指导,科学出版社,2019

大连理工大学
6 位授课老师
马红艳

马红艳

教授

郑勇刚

郑勇刚

教授

叶宏飞

叶宏飞

教授

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