工程力学II课程教学大纲英文版（40学时）

1、Syllabus ofEngineering Mechanics IICourse Name：Engineering Mechanics II Course Code： Credits：2.5 Total Credit Hours：40 Lecture Hours：40 Experiment Hours： Programming Hours： Practice Hours：Total Number of Experimental (Programming) Projects 0 , Where, Compulsory ( 0 ), Optional ( 0 ).School：Jiangnan

2、University Target Major：Industrial Engineering, Polymer Materials and Engineering, etc.、Course Nature & AimsThis course is a basic course in engineering technology for non-machine majors with less hours, such as industrial engineering and chemical engineering. Through the study of this course, stude

3、nts are required to have a clear basic concept of the balance of the force system and can solve the static calculation problem of simple statically determinate structures; they have a clear basic concept and necessary for the strength, stiffness and stability of the rod Basic knowledge, can skillful

4、ly perform strength calculation under basic deformation, and can perform strength calculation under combined deformation. To lay the necessary theoretical foundation for the study of related follow-up courses.、Course Objectives 1. Moral Education and Character Cultivation.Learn the theory and techno

5、logy of Engineering Mechanics II through the course and have a comprehensive understanding of the relevant knowledge of Engineering Mechanics II. Through the explanation of the history of Engineering Mechanics II and the establishment of relevant theories and technologies, understand how predecessor

6、s thought during the development of Engineering Mechanics II, how to overcome the obstacles encountered, and help students establish scientific thinking methods and work In the spirit of facing the challenge. From the perspective of the role of the Engineering Mechanics II discipline in Chinas innov

7、ation-driven development, with the research work of outstanding contributors as the carrier, the education of socialist core values is integrated into the course content and the entire process of the teaching process, highlighting the value guidance, knowledge transfer and Ability training helps stu

8、dents to correctly understand the laws of history, accurately grasp the basic national conditions, grasp the scientific world outlook and methodology, and promote the establishment of a correct world outlook and values.2. Course ObjectivesThrough the study of this course, students qualities, skills,

9、 knowledge and abilities obtained are as follows：Objective 1. Understand the basic concepts and laws of mechanics, master the basic knowledge and basic theory of engineering mechanics, and understand the mechanical properties of commonly used engineering materials, (Corresponding to Chapter 1,2,3,4,

10、5,7,8,9,10,11，supporting for graduation requirements index 2-2）.Objective 2. Master the stress analysis of the components; master the balance conditions of the applied force system to correctly calculate the binding force of the statically determinate structure, (Corresponding to Chapter 4,8,10,12,1

11、3,14, supporting for graduation requirements index 2-3）.Objective 3. Correctly grasp the method of calculating the internal force of the member grasp the basic analysis method and calculation of the basic deformation stress and deformation of the member; solve the problems of strength, rigidity and

12、stability of the simple force member. (Corresponding to Chapter 4,8,10,12,13,14，supporting for graduation requirements index 2-3）.Objective 4. Master the strength calculation of combined deformation of tension (compression) and bending and combined deformation of bending and torsion; capable of solv

13、ing simple mechanical and engineering structural problems. (Corresponding to Chapter4,8,9,10,11, 12,13,14 supporting for graduation requirements index 5-3）.3. Supporting for Graduation RequirementsThe graduation requirements supported by course objectives are mainly reflected in the graduation requi

14、rements indices , as follows:Supporting for Graduation RequirementsCourse ObjectivesGraduation RequirementsIndices and Contents Supporting for Graduation RequirementsTeaching TopicsLevel of Support IndicesContentsObjective 12Ability to apply mathematical, scientific and engineering knowledgeIndex :2

15、-22-2. Master the basic theory, methods and tools of engineering technology systematically.Chapter 1,2,3,4，5,7,8,9,10,11HObjective 22. Ability to apply mathematical, scientific and engineering knowledgeIndex :2-32-3.Be able to apply all kinds of engineering knowledge to solve engineering comprehensi

16、ve problemsChapter 4,8,10,12,13,14HObjective 32. Ability to apply mathematical, scientific and engineering knowledgeIndex :2-32-3.Be able to apply all kinds of engineering knowledge to solve engineering comprehensive problemsChapter 4,8,10,12,13,14HObjective 45. Capacity for data analysis and interp

17、retation.Index :5-35-3. Ability of data modeling, result analysis and interpretation.Chapter 4,8，9，10，11,12,13,14M、Basic Course Content Chapter 1 Basic concepts of statics and force analysis of objects (supporting course objective 1)Basic concepts of staticsRestraint and Restraint ForceForce analysi

18、s and force diagram of objectsTeaching Requirements: Through the study of this chapter, students are required to understand the basic concepts and basic axioms of statics, proficiency in the drawing of common constraints and constrained reaction forces, and the drawing of force diagrams of objects a

19、nd simple objects. Have the ability to analyze engineering problems of mechanical models.Key Points: definition of rigid body, basic concepts of statics, common constraints and constrained reaction forces.Difficult Points: the division of constraint types, the drawing method of force diagrams.Chapte

20、r 2 Department of Convergence and Communication (supporting course objective 1)2.1 Combining forces2.2 The equilibrium condition of the exchange forceTeaching Requirements: Teaching requirements: Through the study of this chapter, students are required to understand the concept of the intersection f

21、orce system, the synthetic analytical method and geometric method. Master the projection method of force on the rectangular coordinate axis, and master the solution of the balance problem of the intersecting force system.Key Points：The concept of converging force systems, the projection of forces on

22、 the coordinate axis.Difficult Points：The balance of the exchange force system.Chapter 3 Force Couples (supporting course objective 1)3.1 Moment of force to point3.2 Force couple3.3 Synthesis and equilibrium conditions of force couple systemTeaching requirements: Through the study in this chapter, s

23、tudents are required to understand the basic concepts of moment-to-point moment, force couple, and moment vector; to master the synthesis of plane force couple system and the solution of equilibrium conditions.Key Points：basic concepts of force couple and moment vector.Difficult Points：the solution

24、of the balance problem of force couples.Chapter 4 Plane General Force System (Supporting Course Objectives 1,2,3 and 4)4.1 Force translation4.2 Simplification of the general force system in the plane4.3 Analysis of simplified results of the plane general force system4.4 Equilibrium conditions of pla

25、ne general force system4.5 Balance of the object system Static and indeterminate problemsTeaching requirements: Through the study of this chapter, students are required to understand the examples of general force engineering. Master the translation of the force, the simplification of the plane gener

26、al force system to one point, the principal vector and principal moment of the force system, and the simplified result analysis of the plane general force system Proficient in the solution of the balance problem of the plane general force system, with the ability to analyze mechanical problemsKey Po

27、ints：translation theorem of force, equilibrium equation of general force system in plane, simplified method of force system.Difficult Points：Difficulties in teaching: try to simplify the method a little, balance the analytical method of the problem.Chapter 5 Department of General Space Forces (Suppo

28、rting Course Objectives 1)5.1 Moment of force to point5.2 Moment of force on shaft5.3 The equilibrium equation of the space force systemTeaching requirements: Through the study of this chapter, students are required to understand the concept of force-to-point moment, master the calculation of force-

29、to-axis moment, master the balance equation of spatial force system. Capable of analyzing and calculating the forces of space agencies.Key Points: moment of force on the shaft, balance equation.Difficult Points: the moment of force on the shaft.Chapter 7 Basic Concepts of Material Mechanics (Support

30、ing Course Objectives 1)7.1 Tasks of material mechanics, basic assumptions of material mechanics7.2 Basic form of rod deformation7.3 The internal force of the member and its solution7.4 Concepts of stress and strain Hookes lawTeaching requirements: Through the study of this chapter, students are req

31、uired to understand the task of material mechanics and its application in engineering practice, and understand the basic assumptions of material mechanics. Be proficient in the four basic forms of rod deformation, the internal force of the rod and the solution method, master the concepts of stress a

32、nd strain, and Hookes law.Key Points: four basic deformations of rods.Difficult Points: concepts of stress and strain.Chapter 8 Axial Tension and Compression (Supporting Course Objectives 1,2,3 and 4)8.1 Axial tensile and compression internal force, axial force and axial force diagram8.2 Stress and

33、strength conditions for straight rod axial tension and compression8.3 Deformation of straight rod during axial tension and compression8.4 Mechanical properties of materials under tension and compression8.5 Safety factor and allowable stress8.6 Solution to simple static and static problemsComplete ex

34、perimental project 1: Tensile test of low carbon steel and cast ironComplete experimental project 2: Compression test of low carbon steel and cast ironTeaching requirements: Through the study of this chapter, students are required to master the axial force and axial force diagram of axial tension an

35、d compression. Familiar with axial tension, compression stress on the cross section of the straight rod, strength conditions during tension and compression. Proficiency in deformation during axial stretching and compression, longitudinal deformation and lateral deformation. Understand the mechanical

36、 properties and stress-strain curves of common engineering materials during stretching. Understand the concept of failure, the definition of safety factor and the concept of strength, and understand the concept of stress concentration. Understand the method of solving simple static tension and compr

37、ession overdetermination problems.Key Points: Axial tension and compression model, cross-section method to obtain axial force, strength conditions during tension and compression, mechanical experiment of material tension and compressionDifficult Points: the concept of stress, strain, axial force and

38、 stress.Chapter 9 Reversal (supporting course objectives 1, 4)9.1 Calculation of torsional external force and internal force9.2 Stress and strength conditions for torsion of the circular shaft9.3 Deformation and stiffness conditions when the circular shaft is twistedTeaching requirements: Through th

39、e study of this chapter, students are required to master the concepts and examples of reversal. Proficiency in the calculation of external moments and torques; proficiency in stress and strength conditions and deformation and stiffness conditions when the shaft is twisted.Key Points: the reciprocal

40、theorem of shear stress, the calculation formula of the stress on the cross-section when the round shaft is twisted.Difficult Points: Analysis of the distribution of stress on the cross-section when the round shaft is twisted.Chapter 10 Plane Bending (Supporting Course Objectives 1, 2,3, 4)10.1 The

41、concept of plane bending10.2 Calculation of internal force in plane bending(calculation of shear force and bending moment)10.3 Shear force diagram and bending moment diagram10.4 Normal stress and strength conditions of beams in pure bending10.5 Formulas for moments of inertia and parallel axis of co

42、mmon cross sections10.6 Checking the shear stress strength when the straight beam is bent10.7 Deformation and stiffness conditions of beam bending10.8 Deformation of beams by superposition methodTeaching requirements: Through the study of this chapter, through engineering examples, students are requ

43、ired to master the concept of plane bending. Be proficient in the calculation of shear force and bending moment and make correct shear force diagram and bending moment diagram. Understand the differential relationship between bending moment, shear force and distributed load concentration. Understand

44、 the shear stress when the straight beam is bent, and master the normal stress and strength conditions when the beam is bent. Master the formulas for the moment of inertia and parallel axis of common cross sections. Understand beam deformationdeflection and rotation angle; approximate differential e

45、quation of deflection curve and its integration. Understand the superposition method to find the deformation of the beam. Master the measures to improve the bearing capacity of the beam.Key Points: the concept of plane bending, the relationship between bending moment, shear force and load concentrat

46、ion.Difficult Points: the drawing of shearing force diagram and bending moment diagram.Chapter 11 Strength conditions under complex stress conditions (supporting course objective Article 1,4 )11.1 Concept of stress state at one point11.2 Failure criteria and strength conditions of materials under co

47、mplex stress conditionsTeaching requirements: Through the study of this chapter, students are required to correctly understand the concept of stress state at a point, generalized Hookes law and the concept of strain energy density under complex stress state, understand the failure criterion and four

48、 common strengths of materials under complex stress state theory.Key Points: stress state, principal stress, principal direction, four strength theories.Difficult Points: the relationship between stress state calculation, unit body, failure mechanism and strength interpretation, and stress state.Cha

49、pter 12 Combination Deformation (Support Course Objectives 2,3,4)12.1 Principle of combined deformation and superposition12.2 The first type of combined deformation-after the combination is still in a unidirectional stress state12.3 The second type of combined deformation-complex stress state after

50、combinationTeaching requirements: Through the study of this chapter, students are required to correctly understand the concepts and examples of combined deformation. Master the principle of superposition; master the strength calculation method of the combined deformation of tension or compression an

51、d bending; master the eccentric tension (compression); master the strength calculation method of the combined deformation of torsion and bending.Key Points: the principle of superposition and the solution of combined deformation.Difficult Points: grouping loads and determining the type of deformatio

52、n.Chapter 13 Calculation of strength of connectors (supporting course objective 2,3,4)13.1 Shear strength calculation13.2 Extrusion strength calculationTeaching requirements: Through the study of this chapter, students are required to understand the concept and examples of shear; understand the conc

53、epts of shear force and nominal shear stress; master the practical calculation of extrusion and extrusion stress, shear strength and extrusion strength.Key Points: calculation of nominal shear stress and extrusion stress.Difficult Points: Judgment of shearing surface and extrusion surface.Chapter 14

54、 Stability of Compression Rods (Supporting Course Objectives 2,3,4)14.1 The concept of pressure bar stability14.2 Critical load pressure and Euler formula of slender compression rod14.3 Practical calculation of the stability of the pressure bar14.4 Measures to improve the stability of the pressure b

55、arTeaching requirements: Through the study in this chapter, understand the concept of stability through engineering examples, students are required to be proficient in the calculation method of the critical pressure of the slender compression rod with hinged ends at both ends, and the stability chec

56、k of the compression rod. Kinds of measures.Key Points: Euler formula and calculation of flexibility.Difficult Points: the scope of application of Eulers formula and the calculation of flexibility.、Table of Credit Hour Distribution Teaching ContentIdeological and Political Integrated Lecture HoursEx

57、periment HoursPractice HoursProgramming HoursSelf-study HoursExercise ClassDiscussion HoursChapter 1 Basic concepts and stress analysis of staticsAccording to the teaching content, integrate elements of ideological and political education4Chapter 2 Department of CommunicationAccording to the teachin

58、g content, integrate elements of ideological and political education2Chapter 3 Force CoupleAccording to the teaching content, integrate elements of ideological and political education2Chapter 4 Plane General Force SystemAccording to the teaching content, integrate elements of ideological and politic

59、al education4Chapter 5 Space General Force SystemAccording to the teaching content, integrate elements of ideological and political education1Chapter 7 Basic Concepts of Material Mechanics2Chapter 8 Axial Tension and Compression6Chapter 9 Reversal2Chapter 10 Plane Bending6Chapter 11 Strength conditions under complex stress conditions2Chapter 12 Combination Transformation5Chapter 13 Strength Calculation of Connections2Chapter 14 Pressure Bar Stability2Total40Sum40、Teaching MethodThe teaching of this lesson is mainly based on