Aircraft Structures For Engineering StudentsPDF电子书下载
外文
- 作 者:T. H. G. Megson
- 出 版 社:Bh Elsevier
- 出版年份:2017
- ISBN:0081009147
- 页数:891 页
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PART A FUNDAMENTALS OF STRUCTURAL ANALYSIS3
Section A1 Elasticity3
CHAPTER 1 Basic elasticity5
1.1 Stress5
1.2 Notation for forces and stresses7
1.3 Equations of equilibrium9
1.4 Plane stress11
1.5 Boundary conditions11
1.6 Determination of stresses on inclined planes12
1.7 Principal stresses15
1.8 Mohr’s circle of stress17
1.9 Strain22
1.10 Compatibility equations25
1.11 Plane strain26
1.12 Determination of strains on inclined planes27
1.13 Principal strains29
1.14 Mohr’s circle of strain30
1.15 Stress-strain relationships30
1.16 Experimental measurement of surface strains37
Reference43
Problems43
CHAPTER 2 Two-dimensional problems in elasticity47
2.1 Two-dimensional problems47
2.2 Stress functions49
2.3 Inverse and semi-inverse methods50
2.4 St.Venant’s principle56
2.5 Displacements57
2.6 Bending of an end-loaded cantilever58
Reference63
Problems63
CHAPTER 3 Torsion of solid sections69
3.1 Prandtl stress function solution69
3.2 St.Venant warping function solution81
3.3 The membrane analogy82
3.4 Torsion of a narrow rectangular strip84
References86
Problems87
Section A2 Virtual work,energy,and matrix methods89
CHAPTER 4 Virtual work and energy methods91
4.1 Work91
4.2 Principle of virtual work92
4.3 Applications of the principle of virtual work106
Reference117
Problems118
CHAPTER 5 Energy methods123
5.1 Strain energy and complementary energy123
5.2 Principle of the stationary value of the total complementary energy125
5.3 Application to deflection problems126
5.4 Application to the solution of statically indeterminate systems135
5.5 Unit load method152
5.6 Flexibility method155
5.7 Total potential energy160
5.8 Principle of the stationary value of the total potential energy161
5.9 Principle of superposition164
5.10 Reciprocal theorem164
5.11 Temperature effects168
References171
Further reading171
Problems171
CHAPTER 6 Matrix methods183
6.1 Notation184
6.2 Stiffness matrix for an elastic spring185
6.3 Stiffness matrix for two elastic springs in line186
6.4 Matrix analysis of pin-jointed frameworks189
6.5 Application to statically indeterminate frameworks196
6.6 Matrix analysis of space frames196
6.7 Stiffness matrix for a uniform beam198
6.8 Finite element method for continuum structures205
References223
Further reading223
Problems223
Section A3 Thin plate theory231
CHAPTER 7 Bending of thin plates233
7.1 Pure bending of thin plates233
7.2 Plates subjected to bending and twisting236
7.3 Plates subjected to a distributed transverse load240
7.4 Combined bending and in-plane loading of a thin rectangular plate250
7.5 Bending of thin plates having a small initial curvature254
7.6 Energy method for the bending of thin plates255
Further reading263
Problems263
Section A4 Structural instability267
CHAPTER 8 Columns269
8.1 Euler buckling of columns269
8.2 Inelastic buckling275
8.3 Effect of initial imperfections280
8.4 Stability of beams under transverse and axial loads283
8.5 Energy method for the calculation of buckling loads in columns286
8.6 Flexural-torsional buckling of thin-walled columns290
References302
Problems302
CHAPTER 9 Thin plates311
9.1 Buckling of thin plates311
9.2 Inelastic buckling of plates314
9.3 Experimental determination of the critical load for a flat plate316
9.4 Local instability316
9.5 Instability of stiffened panels317
9.6 Failure stress in plates and stiffened panels319
9.7 Tension field beams323
References339
Problems340
Section A5 Vibration of structures345
CHAPTER 10 Structural vibration347
10.1 Oscillation of mass-spring systems347
10.2 Oscillation of beams356
10.3 Approximate methods for determining natural frequencies361
Problems364
PART B ANALYSIS OF AIRCRAFT STRUCTURES371
Section B1 Principles of stressed skin construction371
CHAPTER 11 Materials373
11.1 Aluminum alloys373
11.2 Steel375
11.3 Titanium376
11.4 Plastics377
11.5 Glass377
11.6 Composite materials377
11.7 Properties of materials379
Problems394
CHAPTER 12 Structural components of aircraft397
12.1 Loads on structural components397
12.2 Function of structural components399
12.3 Fabrication of structural components404
12.4 Connections409
Reference415
Problems415
Section B2 Airworthiness and airframe loads419
CHAPTER 13 Airworthiness421
13.1 Factors of safety-flight envelope421
13.2 Load factor determination423
Reference426
Problems426
CHAPTER 14 Airframe loads427
14.1 Aircraft inertia loads427
14.2 Symmetric maneuver loads433
14.3 Normal accelerations associated with various types of maneuver438
14.4 Gust loads442
References450
Problems450
CHAPTER 15 Fatigue457
15.1 Safe life and fail-safe structures457
15.2 Designing against fatigue458
15.3 Fatigue strength of components459
15.4 Prediction of aircraft fatigue life465
15.5 Crack propagation471
References478
Further reading478
Problems478
Section B3 Bending,shear and torsion of thin-walled beams481
CHAPTER 16 Bending of open and closed,thin-walled beams483
16.1 Symmetrical bending484
16.2 Unsymmetrical bending492
16.3 Deflections due to bending499
16.4 Calculation of section properties514
16.5 Applicability of bending theory523
16.6 Temperature effects523
Reference527
Problems527
CHAPTER 17 Shear of beams537
17.1 General stress,strain,and displacement relationships for open and single-cell closed section thin-walled beams537
17.2 Shear of open section beams541
17.3 Shear of closed section beams550
Reference559
Problems559
CHAPTER 18 Torsion of beams569
18.1 Torsion of closed section beams569
18.2 Torsion of open section beams579
Problems585
CHAPTER 19 Combined open and closed section beams593
19.1 Bending593
19.2 Shear595
19.3 Torsion598
Problems603
CHAPTER 20 Structural idealization605
20.1 Principle605
20.2 Idealization of a panel606
20.3 Effect of idealization on the analysis of open and closed section beams608
20.4 Deflection of open and closed section beams620
Problems623
Section B4 Stress analysis of aircraft components629
CHAPTER 21 Wing spars and box beams631
21.1 Tapered wing spar631
21.2 Open and closed section beams635
21.3 Beams having variable stringer areas640
Problems645
CHAPTER 22 Fuselages649
22.1 Bending649
22.2 Shear651
22.3 Torsion653
22.4 Cut-outs in fuselages655
Problems660
CHAPTER 23 Wings663
23.1 Three-boom shell663
23.2 Bending664
23.3 Torsion665
23.4 Shear670
23.5 Shear center677
23.6 Tapered wings677
23.7 Deflections680
23.8 Cut-outs in wings681
Problems689
CHAPTER 24 Fuselage frames and wing ribs697
24.1 Principles of stiffener/web construction697
24.2 Fuselage frames702
24.3 Wing ribs703
Problems707
CHAPTER 25 Laminated composite structures709
25.1 Elastic constants of a simple lamina709
25.2 Stress-strain relationships for an orthotropic ply (macro approach)715
25.3 Laminates724
25.4 Thin-walled composite beams740
References753
Problems753
Section B5 Structural and loading discontinuities761
CHAPTER 26 Closed section beams763
26.1 General aspects763
26.2 Shear stress distribution at a built-in end of a closed section beam764
26.3 Thin-walled rectangular section beam subjected to torsion770
26.4 Shear lag778
Reference795
Problems795
CHAPTER 27 Open section beams805
27.1 I-section beam subjected to torsion805
27.2 Torsion of an arbitrary section beam807
27.3 Distributed torque loading817
27.4 Extension of the theory to allow for general systems of loading819
27.5 Moment couple (bimoment)822
References825
Problems825
Section B6 Introduction to aeroelasticity831
CHAPTER 28 Wing problems833
28.1 Types of problem833
28.2 Load distribution and divergence834
28.3 Control effectiveness and reversal840
28.4 Introduction to “flutter”846
References853
Problems853
Appendix:Design of a rear fuselage857
Index885
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摘要:本文详细介绍了《Aircraft Structures For Engineering Students.pdf》电子书版文档,从内容概述、结构特点、适用范围和下载方法四个方面进行了全面阐述,旨在为工程学生提供一本实用的飞机结构学习资料。
1、内容概述
《Aircraft Structures For Engineering Students.pdf》是一本专为工程学生编写的飞机结构入门教材。该书以飞机结构为研究对象,全面介绍了飞机结构的基本原理、设计方法、材料选择和制造工艺等内容。书中通过大量的实例分析和图表,使读者能够更加直观地理解飞机结构的各个方面。
全书共分为九章,涵盖了飞机结构的基本概念、飞机结构设计、飞机结构材料、飞机结构制造、飞机结构分析、飞机结构测试、飞机结构维护与修理、飞机结构故障诊断以及飞机结构发展趋势等主要内容。
此外,书中还特别强调了飞机结构设计的安全性、可靠性和经济性,使读者能够从多个角度理解和掌握飞机结构知识。
2、结构特点
《Aircraft Structures For Engineering Students.pdf》在结构上具有以下特点:
首先,该书采用了循序渐进的教学方法,从基本概念入手,逐步深入到飞机结构设计的各个方面,使读者能够系统地学习飞机结构知识。
其次,书中注重理论与实践相结合,通过大量的实例分析和图表,使读者能够将理论知识应用于实际工程中。
最后,该书内容丰富,涵盖了飞机结构设计的各个方面,为读者提供了全面的学习资料。
3、适用范围
《Aircraft Structures For Engineering Students.pdf》适用于以下读者:
1. 工程学院的学生,尤其是航空工程、机械工程等相关专业的学生。
2. 飞机结构设计、制造、维护与修理等相关领域的工程技术人员。
3. 对飞机结构感兴趣的广大读者。
4、下载方法
《Aircraft Structures For Engineering Students.pdf》电子书版文档可通过以下途径下载:
1. 在线书店:如亚马逊、京东等,搜索书名即可找到电子书版。
2. 学术资源平台:如CNKI、万方等,通过关键词搜索可找到相关电子书。
3. 互联网搜索引擎:如百度、谷歌等,输入书名或相关关键词,可找到电子书下载链接。
总结:
《Aircraft Structures For Engineering Students.pdf》是一本内容丰富、结构严谨的飞机结构入门教材,对于工程学生和相关领域的技术人员具有重要的参考价值。通过本文的介绍,读者可以对该书有一个全面的认识,为后续的学习和研究奠定基础。
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