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Introduction and Vibration of Single-Degree-of-Freedom Systems | p. 1 |
Introduction | p. 1 |
Degrees of Freedom and Generalized Coordinates | p. 1 |
Scope of Study | p. 7 |
Newton's Second Law, Angular Momentum, and Kinetic Energy | p. 8 |
Particles | p. 8 |
Systems of Particles | p. 9 |
Rigid Bodies | p. 13 |
Components of Vibrating Systems | p. 17 |
Inertia Elements | p. 17 |
Stiffness Elements | p. 22 |
Energy Dissipation | p. 30 |
External Energy Sources | p. 34 |
Modeling of One-Degree-of-Freedom Systems | p. 38 |
Introduction and Assumptions | p. 38 |
Static Spring Forces | p. 39 |
Derivation of Differential Equations | p. 42 |
Model Systems | p. 48 |
One-Degree-of-Freedom Models of Continuous Systems | p. 49 |
Qualitative Aspects of One-Degree-of-Freedom Systems | p. 56 |
Free Vibrations of Linear Single-Degree-of-Freedom Systems | p. 63 |
Response of a Single-Degree-of-Freedom System Due to Harmonic Excitation | p. 70 |
General Theory | p. 70 |
Frequency-Squared Excitation | p. 73 |
Motion Input | p. 75 |
General Periodic Input | p. 80 |
Transient Response of a Single-Degree-of-Freedom System | p. 82 |
Derivation of Differential Equations Using Variational Methods | p. 87 |
Functionals | p. 87 |
Variations | p. 91 |
Euler-Lagrange Equation | p. 93 |
Hamilton's Principle | p. 100 |
Lagrange's Equations for Conservative Discrete Systems | p. 104 |
Lagrange's Equations for Non-Conservative Discrete Systems | p. 112 |
Linear Discrete Systems | p. 122 |
Quadratic Forms | p. 122 |
Differential Equations for Linear Systems | p. 125 |
Linearization of Differential Equations | p. 127 |
Gyroscopic Systems | p. 130 |
Continuous Systems | p. 136 |
Bars, Strings, and Shafts | p. 138 |
Euler-Bernoulli Beams | p. 150 |
Timoshenko Beams | p. 166 |
Membranes | p. 170 |
Linear Algebra | p. 173 |
Introduction | p. 173 |
Three-Dimensional Space | p. 174 |
Vector Spaces | p. 177 |
Linear Independence | p. 182 |
Basis and Dimension | p. 185 |
Inner Products | p. 189 |
Norms | p. 193 |
Gram-Schmidt Orthonormalization Method | p. 197 |
Orthogonal Expansions | p. 202 |
Linear Operators | p. 206 |
Adjoint Operators | p. 212 |
Positive Definite Operators | p. 219 |
Energy Inner Products | p. 222 |
Operators Used in Vibration Problems | p. 225 |
Summary of Basic Theory | p. 225 |
Differential Equations for Discrete Systems | p. 227 |
Stiffness Matrix | p. 227 |
Mass Matrix | p. 233 |
Flexibility Matrix | p. 234 |
M[superscript -1]K and AM | p. 240 |
Formulation of Partial Differential Equations for Continuous Systems | p. 242 |
Second-Order Problems | p. 245 |
Euler-Bernoulli Beam | p. 253 |
Timoshenko Beams | p. 262 |
Systems with Multiple Deformable Bodies | p. 266 |
Continuous Systems with Attached Inertia Elements | p. 272 |
Combined Continuous and Discrete Systems | p. 278 |
Membranes | p. 283 |
Free Vibrations of Conservative Systems | p. 287 |
Normal Mode Solution | p. 287 |
Properties of Eigenvalues and Eigenvectors | p. 292 |
Eigenvalues of Self-Adjoint Operators | p. 292 |
Positive Definite Operators | p. 297 |
Expansion Theorem | p. 298 |
Summary | p. 302 |
Rayleigh's Quotient | p. 303 |
Solvability Conditions | p. 306 |
Free Response Using the Normal Mode Solution | p. 309 |
General Free Response | p. 309 |
Principal Coordinates | p. 314 |
Discrete Systems | p. 316 |
The Matrix Eigenvalue Problem | p. 317 |
Natural Frequency Calculations Using Flexibility Matrix | p. 326 |
Matrix Iteration | p. 330 |
Continuous Systems | p. 341 |
Second-Order Problems (Wave Equation) | p. 342 |
Euler-Bernoulli Beams | p. 360 |
Repeated Structures | p. 375 |
Timoshenko Beams | p. 398 |
Combined Continuous and Discrete Systems | p. 409 |
Membranes | p. 414 |
Green's Functions | p. 430 |
Non-Self-Adjoint Systems | p. 437 |
Non-Self-Adjoint Operators | p. 437 |
Discrete Systems with Proportional Damping | p. 441 |
Discrete Systems with General Damping | p. 446 |
Discrete Gyroscopic Systems | p. 452 |
Continuous Systems with Viscous Damping | p. 458 |
Forced Response | p. 465 |
Response of Discrete Systems for Harmonic Excitations | p. 465 |
General Theory | p. 465 |
Vibration Absorbers | p. 470 |
Harmonic Excitation of Continuous Systems | p. 480 |
Laplace Transform Solutions | p. 490 |
Discrete Systems | p. 491 |
Continuous Systems | p. 497 |
Modal Analysis for Undamped Discrete Systems | p. 501 |
Modal Analysis for Undamped Continuous Systems | p. 504 |
Discrete Systems with Damping | p. 516 |
Proportional Damping | p. 516 |
General Viscous Damping | p. 517 |
Rayleigh-Ritz and Finite-Element Methods | p. 525 |
Fourier Best Approximation Theorem | p. 525 |
Rayleigh-Ritz Method | p. 528 |
Galerkin Method | p. 531 |
Rayleigh-Ritz Method for Natural Frequencies and Mode Shapes | p. 532 |
Rayleigh-Ritz Methods for Forced Response | p. 551 |
Admissible Functions | p. 556 |
Assumed Modes Method | p. 560 |
Finite-Element Method | p. 570 |
Assumed Modes Development of Finite-Element Method | p. 575 |
Bar Element | p. 577 |
Beam Element | p. 584 |
Exercises | p. 595 |
Chapter 1 | p. 595 |
Chapter 2 | p. 602 |
Chapter 3 | p. 611 |
Chapter 4 | p. 614 |
Chapter 5 | p. 617 |
Chapter 6 | p. 620 |
Chapter 7 | p. 622 |
Chapter 8 | p. 625 |
References | p. 627 |
Index | p. 629 |
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The Used, Rental and eBook copies of this book are not guaranteed to include any supplemental materials. Typically, only the book itself is included. This is true even if the title states it includes any access cards, study guides, lab manuals, CDs, etc.