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Mechanical Science 3E
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This book gives comprehensive coverage of mechanical science for HNC/HND students taking mechanical engineering courses, including all topics likely to be covered in both years of such courses, as well as for first year undergraduate courses in mechanical engineering. It features 500 problems with answers and 200 worked examples. The third edition includes a new section on power transmission and an appendix on mathematics to help students with the basic notation of calculus and solution of differential equations.
作者簡介
Former Head of Research, Development and Monitoring at BTEC
目次
Preface.
Chapter 1 Forces and equilibrium; 1.1 Scalars and vectors; 1.2 Force as a vector; 1.3 Non-concurrent forces; 1.4 Free-body diagrams; 1.5 Forces in equilibrium; Problems; Chapter 2 Simple stress and strain; 2.1 Stress and strain; 2.2 Thermal stresses; 2.3 Composite bars; 2.4 Poisson’s ratio; 2.5 Bulk modulus; Problems; Chapter 3 Beams; 3.1 Types of beams; 3.2 Bending moment and shearing force; 3.3 Bending stresses; 3.4 Second moment of area; 3.5 Section modulus; 3.6 Combined bending and direct stresses; 3.7 Shear stresses due to bending; 3.8 Composite beams; 3.9 Plastic bending; Problems; Chapter 4 Deflections of beams; 4.1 The deflection curve; 4.2 Deflections by double-integration; 4.3 Moment–area method; 4.4 Macaulay’s method; 4.5 Statically-indeterminate beams; Problems; Chapter 5 Struts and columns; 5.1 Buckling; 5.2 Euler’s equation; 5.3 Limitations of Euler’s equation; Problems; Chapter 6 Torsion; 6.1 Torsion of circular shafts; 6.2 Transmission of power; 6.3 Compound shafts; Problems; Chapter 7 Strain energy; 7.1 Strain energy; 7.2 Strain energy in axially loaded bars; 7.3 Dynamic loading; 7.4 Strain energy due to shear; 7.5 Impact torsional loading; 7.6 Strain energy due to bending; 7.7 Impact loading of beams; 7.8 Strain energy due to combined loading; 7.9 Castigliano’s theorem; Problems; Chapter 8 Stress and strain analysis; 8.1 Complex stress situations; 8.2 Simple tension; 8.3 Biaxial stress system; 8.4 General two-dimensional stress system; 8.5 Mohr’s stress circle; 8.6 Principal strains and stresses; 8.7 Plane strain; 8.8 Theories of failure; 8.9 Elastic constants; Problems; Chapter 9 Cylindrical shells; 9.1 Thin cylindrical shell; 9.2 Thin spherical shell; 9.3 Volume changes of shells; 9.4 Thick cylindrical shell; 9.5 Compound tube; Problems; Chapter 10 Linear and angular motion; 10.1 Linear motion; 10.2 Curvilinear motion; 10.3 Relative velocity; 10.4 Angular motion; 10.5 Torque and angular motion; 10.6 Balancing of rotating masses; 10.7 Momentum; 10.8 Work and energy; Problems; Chapter 11 Mechanisms; 11.1 Mechanisms; 11.2 Velocity diagrams; 11.3 Acceleration diagrams; 11.4 Reciprocating mechanisms;Problems; Chapter 12 Turning moment diagrams; 12.1 Crank effort diagrams; 12.2 Fluctuations of speed and energy; 12.3 Flywheels; Problems; Chapter 13 Power transmission; 13.1 Machines and some basic definitions; 13.2 Transmission of rotational motion; 13.3 Geared systems; 13.4 Gear trains; 13.5 Epicyclic gear trains; 13.6 Torques on gear trains; Problems; Chapter 14 Friction clutches, bearings and belt drives; 14.1 Friction; 14.2 Friction clutches; 14.3 Bearings; 14.4 Belt drives; Problems; Chapter 15 Gyroscopic motion; 15.1 Vectors; 15.2 Gyroscopic couple; Problems; Chapter 16 Free vibration; 16.1 Simple harmonic motion; 16.2 Linear vibrations of an elastic system; 16.3 Torsional vibrations of an elastic system; 16.4 Transverse vibrations of beams; 16.5 Whirling of shafts; Problems; Chapter 17 Damped and forced oscillations; 17.1 Free oscillations; 17.2 Damped oscillations; 17.3 Undamped forced oscillations; 17.4 Damped forced oscillations; Problems; Chapter 18 Vibrations of multi-degree systems; 18.1 Degrees of freedom; 18.2 Coupled pendulums; 18.3 Two rotor system; 18.4 Forced vibrations; 18.5 Systems with many degrees of freedom; Problems; Chapter 19 Finite element method; 19.1 The finite element method; 19.2 The analysis of simple rod elements; 19.2 Local and global coordinates; Problems; Appendix: Some mathematics help; Answers to problems; Index
Chapter 1 Forces and equilibrium; 1.1 Scalars and vectors; 1.2 Force as a vector; 1.3 Non-concurrent forces; 1.4 Free-body diagrams; 1.5 Forces in equilibrium; Problems; Chapter 2 Simple stress and strain; 2.1 Stress and strain; 2.2 Thermal stresses; 2.3 Composite bars; 2.4 Poisson’s ratio; 2.5 Bulk modulus; Problems; Chapter 3 Beams; 3.1 Types of beams; 3.2 Bending moment and shearing force; 3.3 Bending stresses; 3.4 Second moment of area; 3.5 Section modulus; 3.6 Combined bending and direct stresses; 3.7 Shear stresses due to bending; 3.8 Composite beams; 3.9 Plastic bending; Problems; Chapter 4 Deflections of beams; 4.1 The deflection curve; 4.2 Deflections by double-integration; 4.3 Moment–area method; 4.4 Macaulay’s method; 4.5 Statically-indeterminate beams; Problems; Chapter 5 Struts and columns; 5.1 Buckling; 5.2 Euler’s equation; 5.3 Limitations of Euler’s equation; Problems; Chapter 6 Torsion; 6.1 Torsion of circular shafts; 6.2 Transmission of power; 6.3 Compound shafts; Problems; Chapter 7 Strain energy; 7.1 Strain energy; 7.2 Strain energy in axially loaded bars; 7.3 Dynamic loading; 7.4 Strain energy due to shear; 7.5 Impact torsional loading; 7.6 Strain energy due to bending; 7.7 Impact loading of beams; 7.8 Strain energy due to combined loading; 7.9 Castigliano’s theorem; Problems; Chapter 8 Stress and strain analysis; 8.1 Complex stress situations; 8.2 Simple tension; 8.3 Biaxial stress system; 8.4 General two-dimensional stress system; 8.5 Mohr’s stress circle; 8.6 Principal strains and stresses; 8.7 Plane strain; 8.8 Theories of failure; 8.9 Elastic constants; Problems; Chapter 9 Cylindrical shells; 9.1 Thin cylindrical shell; 9.2 Thin spherical shell; 9.3 Volume changes of shells; 9.4 Thick cylindrical shell; 9.5 Compound tube; Problems; Chapter 10 Linear and angular motion; 10.1 Linear motion; 10.2 Curvilinear motion; 10.3 Relative velocity; 10.4 Angular motion; 10.5 Torque and angular motion; 10.6 Balancing of rotating masses; 10.7 Momentum; 10.8 Work and energy; Problems; Chapter 11 Mechanisms; 11.1 Mechanisms; 11.2 Velocity diagrams; 11.3 Acceleration diagrams; 11.4 Reciprocating mechanisms;Problems; Chapter 12 Turning moment diagrams; 12.1 Crank effort diagrams; 12.2 Fluctuations of speed and energy; 12.3 Flywheels; Problems; Chapter 13 Power transmission; 13.1 Machines and some basic definitions; 13.2 Transmission of rotational motion; 13.3 Geared systems; 13.4 Gear trains; 13.5 Epicyclic gear trains; 13.6 Torques on gear trains; Problems; Chapter 14 Friction clutches, bearings and belt drives; 14.1 Friction; 14.2 Friction clutches; 14.3 Bearings; 14.4 Belt drives; Problems; Chapter 15 Gyroscopic motion; 15.1 Vectors; 15.2 Gyroscopic couple; Problems; Chapter 16 Free vibration; 16.1 Simple harmonic motion; 16.2 Linear vibrations of an elastic system; 16.3 Torsional vibrations of an elastic system; 16.4 Transverse vibrations of beams; 16.5 Whirling of shafts; Problems; Chapter 17 Damped and forced oscillations; 17.1 Free oscillations; 17.2 Damped oscillations; 17.3 Undamped forced oscillations; 17.4 Damped forced oscillations; Problems; Chapter 18 Vibrations of multi-degree systems; 18.1 Degrees of freedom; 18.2 Coupled pendulums; 18.3 Two rotor system; 18.4 Forced vibrations; 18.5 Systems with many degrees of freedom; Problems; Chapter 19 Finite element method; 19.1 The finite element method; 19.2 The analysis of simple rod elements; 19.2 Local and global coordinates; Problems; Appendix: Some mathematics help; Answers to problems; Index
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