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عدد المساهمات : 18959 التقييم : 35383 تاريخ التسجيل : 01/07/2009 الدولة : مصر العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
| موضوع: كتاب Mechanics of Materials - An Integrated Learning System 4th Edition السبت 10 مارس 2018, 10:16 pm | |
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أخوانى فى الله أحضرت لكم كتاب Mechanics of Materials - An Integrated Learning System 4th Edition Timothy A. Philpot Missouri University of Science and Technology Rolla, Missouri
ويتناول الموضوعات الأتية :
Contents Chapter 1 Stress 1 1.1 Introduction 1 1.2 Normal Stress Under Axial Loading 2 1.3 Direct Shear Stress 7 1.4 Bearing Stress 12 1.5 Stresses on Inclined Sections 22 1.6 Equality of Shear Stresses on Perpendicular Planes 24 Chapter 2 Strain 29 2.1 Displacement, Deformation, and the Concept of Strain 29 2.2 Normal Strain 30 2.3 Shear Strain 37 2.4 Thermal Strain 41 Chapter 3 Mechanical Properties of Materials 45 3.1 The Tension Test 45 3.2 The Stress–Strain Diagram 48 3.3 Hooke’s Law 56 3.4 Poisson’s ratio 56 Chapter 4 Design Concepts 65 4.1 Introduction 65 4.2 Types of Loads 66 4.3 Safety 67 4.4 Allowable Stress Design 68 4.5 Load and resistance Factor Design 77 Chapter 5 Axial Deformation 83 5.1 Introduction 83 5.2 Saint-Venant’s Principle 84 5.3 Deformations in Axially Loaded Bars 86 5.4 Deformations in a System of Axially Loaded Bars 95 5.5 Statically Indeterminate Axially Loaded Members 103 5.6 Thermal Effects on Axial Deformation 119 5.7 Stress Concentrations 129 Chapter 6 Torsion 135 6.1 Introduction 135 6.2 Torsional Shear Strain 137 6.3 Torsional Shear Stress 138 6.4 Stresses on Oblique Planes 140 6.5 Torsional Deformations 142 6.6 Torsion Sign Conventions 143 6.7 Gears in Torsion Assemblies 154 6.8 Power Transmission 161 6.9 Statically Indeterminate Torsion Members 166 6.10 Stress Concentrations in Circular Shafts Under Torsional Loadings 183 6.11 Torsion of Noncircular Sections 186 6.12 Torsion of Thin-Walled Tubes: Shear Flow 189 Chapter 7 Equilibrium of Beams 193 7.1 Introduction 193 7.2 Shear and Moment in Beams 195 7.3 Graphical Method for Constructing Shear and Moment Diagrams 205 7.4 Discontinuity Functions to represent Load, Shear, and Moment 224 Chapter 8 Bending 237 8.1 Introduction 237 8.2 Flexural Strains 239 xvii8.3 Normal Stresses in Beams 240 8.4 Analysis of Bending Stresses in Beams 254 8.5 Introductory Beam Design for Strength 265 8.6 Flexural Stresses in Beams of Two Materials 270 8.7 Bending Due to an Eccentric Axial Load 282 8.8 Unsymmetric Bending 292 8.9 Stress Concentrations Under Flexural Loadings 302 8.10 Bending of Curved Bars 306 Chapter 9 Shear Stress In Beams 319 9.1 Introduction 319 9.2 resultant Forces Produced by Bending Stresses 319 9.3 The Shear Stress Formula 325 9.4 The First Moment of Area, Q 329 9.5 Shear Stresses in Beams of rectangular Cross Section 331 9.6 Shear Stresses in Beams of Circular Cross Section 338 9.7 Shear Stresses in Webs of Flanged Beams 338 9.8 Shear Flow in Built-Up Members 346 9.9 Shear Stress and Shear Flow in Thin-Walled Members 356 9.10 Shear Centers of Thin-Walled Open Sections 373 Chapter 10 Beam De?ections 391 10.1 Introduction 391 10.2 Moment–Curvature relationship 392 10.3 The Differential Equation of the Elastic Curve 392 10.4 Determining De?ections by Integration of a Moment Equation 396 10.5 Determining De?ections by Integration of Shear-Force or Load Equations 410 10.6 Determining De?ections by Using Discontinuity Functions 413 10.7 Determining De?ections by the Method of Superposition 423 Chapter 11 Statically Indeterminate Beams 445 11.1 Introduction 445 11.2 Types of Statically Indeterminate Beams 445 11.3 The Integration Method 447 11.4 Use of Discontinuity Functions for Statically Indeterminate Beams 454 11.5 The Superposition Method 461 Chapter 12 Stress Transformations 479 12.1 Introduction 479 12.2 Stress at a General Point in an Arbitrarily Loaded Body 480 12.3 Equilibrium of the Stress Element 482 12.4 Plane Stress 483 12.5 Generating the Stress Element 483 12.6 Equilibrium Method for Plane Stress Transformations 488 12.7 General Equations of Plane Stress Transformation 491 12.8 Principal Stresses and Maximum Shear Stress 499 12.9 Presentation of Stress Transformation results 506 12.10 Mohr’s Circle for Plane Stress 513 12.11 General State of Stress at a Point 532 Chapter 13 Strain Transformations 540 13.1 Introduction 540 13.2 Plane Strain 541 13.3 Transformation Equations for Plane Strain 542 13.4 Principal Strains and Maximum Shearing Strain 547 13.5 Presentation of Strain Transformation results 548 13.6 Mohr’s Circle for Plane Strain 552 13.7 Strain Measurement and Strain rosettes 555 13.8 Generalized Hooke’s Law for Isotropic Materials 560 13.9 Generalized Hooke’s Law for Orthotropic Materials 576 xviiiChapter 14 Pressure Vessels 585 14.1 Introduction 585 14.2 Thin-Walled Spherical Pressure Vessels 586 14.3 Thin-Walled Cylindrical Pressure Vessels 588 14.4 Strains in Thin-Walled Pressure Vessels 591 14.5 Stresses in Thick-Walled Cylinders 598 14.6 Deformations in Thick-Walled Cylinders 606 14.7 Interference Fits 609 Chapter 15 Combined Loads 616 15.1 Introduction 616 15.2 Combined Axial and Torsional Loads 616 15.3 Principal Stresses in a Flexural Member 621 15.4 General Combined Loadings 634 15.5 Theories of Failure 656 Chapter 16 Columns 667 16.1 Introduction 667 16.2 Buckling of Pin-Ended Columns 670 16.3 The Effect of End Conditions on Column Buckling 680 16.4 The Secant Formula 690 16.5 Empirical Column Formulas— Centric Loading 696 16.6 Eccentrically Loaded Columns 707 Chapter 17 Energy Methods 715 17.1 Introduction 715 17.2 Work and Strain Energy 716 17.3 Elastic Strain Energy for Axial Deformation 720 17.4 Elastic Strain Energy for Torsional Deformation 722 17.5 Elastic Strain Energy for Flexural Deformation 724 17.6 Impact Loading 728 17.7 Work–Energy Method for Single Loads 746 17.8 Method of Virtual Work 750 17.9 De?ections of Trusses by the Virtual-Work Method 755 17.10 De?ections of Beams by the Virtual-Work Method 762 17.11 Castigliano’s Second Theorem 774 17.12 Calculating De?ections of Trusses by Castigliano’s Theorem 776 17.13 Calculating De?ections of Beams by Castigliano’s Theorem 781 Appendix A Geometric Properties of an Area 790 A.1 Centroid of an Area 790 A.2 Moment of Inertia for an Area 794 A.3 Product of Inertia for an Area 799 A.4 Principal Moments of Inertia 801 A.5 Mohr’s Circle for Principal Moments of Inertia 805 Appendix B Geometric Properties of Structural Steel Shapes 809 Appendix C Table of Beam Slopes and De?ections 821 Appendix D Average Properties of Selected Materials 824 Appendix E Fundamental Mechanics of Materials Equations 828 Answers to Odd Numbered Problems 832 Index 847
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