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Preface to Structural Dynamics-An Introduction to Computer Methods | |
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Preface to Fundamentals of Structural Dynamics | |
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About the Authors | |
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The Science and Art of Structural Dynamics | |
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Introduction to Structural Dynamics | |
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Modeling of Structural Components and Systems | |
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Prototype Spring-Mass Model | |
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Vibration Testing of Structures | |
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Scope of the Book | |
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Computer Simulations; Supplementary Material on the Website | |
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References | |
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Problems | |
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Single-Degree-of-Freedom Systems | |
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Mathematical Models of SDOF Systems | |
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Brief Review of the Dynamics of Particles and Rigid Bodies | |
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Elements of Lumped-Parameter Models | |
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Application of Newton's Laws to Lumped-Parameter Models | |
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Application of the Principle of Virtual Displacements to Lumped-Parameter Models | |
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Application of the Principle of Virtual Displacements to Continuous Models: Assumed-Modes Method | |
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References | |
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Problems | |
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Free Vibration of SDOF Systems | |
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Free Vibration of Undamped SDOF Systems | |
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Free Vibration of Viscous-Damped SDOF Systems | |
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Stability of Motion | |
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Free Vibration of an SDOF System with Coulomb Damping | |
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Experimental Determination of the Natural Frequency and Damping Factor of an SDOF System | |
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References | |
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Problems | |
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Response of SDOF Systems to Harmonic Excitation | |
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Response of Undamped SDOF Systems to Harmonic Excitation | |
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Response of Viscous-Damped SDOF Systems to Harmonic Excitation: Frequency-Response Functions | |
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Complex Frequency Response | |
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Vibration Isolation: Force Transmissibility and Base Motion | |
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Vibration Measuring Instruments: Accelerometers and Vibrometers | |
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Use of Frequency-Response Data to Determine the Natural Frequency and Damping Factor of a Lightly Damped SDOF System | |
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Equivalent Viscous Damping | |
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Structural Damping | |
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References | |
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Problems | |
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Response of SDOF Systems to Nonperiodic Excitation | |
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Response of a Viscous-Damped SDOF System to an Ideal Step Input | |
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Response of Undamped SDOF Systems to Rectangular Pulse and Ramp Loadings | |
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Response of Undamped SDOF Systems to a Short-Duration Impulse: Unit Impulse Response | |
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Response of SDOF Systems to General Dynamic Excitation: Convolution Integral Method | |
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Response Spectra | |
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System Response by the Laplace Transform Method: System Transfer Function | |
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References | |
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Problems | |
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Numerical Evaluation of the Dynamic Response of SDOF Systems | |
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Integration of Second-Order Ordinary Differential Equations | |
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Integration of First-Order Ordinary Differential Equations | |
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Nonlinear SDOF Systems | |
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References | |
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Problems | |
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Response of SDOF Systems to Periodic Excitation: Frequency-Domain Analysis | |
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Response to Periodic Excitation: Real Fourier Series | |
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Response to Periodic Excitation: Complex Fourier Series | |
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Response to Nonperiodic Excitation: Fourier Integral | |
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Relationship Between Complex Frequency Response and Unit Impulse Response | |
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Discrete Fourier Transform and Fast Fourier Transform | |
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References | |
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Problems | |
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Multiple-Degree-of-Freedom Systems-Basic Topics | |
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Mathematical Models of MDOF Systems | |
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Application of Newton's Laws to Lumped-Parameter Models | |
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Introduction to Analytical Dynamics: Hamilton's Principle and Lagrange's Equations | |
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Application of Lagrange's Equations to Lumped-Parameter Models | |
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Application of Lagrange's Equations to Continuous Models: Assumed-Modes Method | |
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Constrained Coordinates and Lagrange Multipliers | |
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References | |
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Problems | |
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Vibration of Undamped 2-DOF Systems | |
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Free Vibration of 2-DOF Systems: Natural Frequencies and Mode Shapes | |
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Beat Phenomenon | |
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Additional Examples of Modes and Frequencies of 2-DOF Systems: Assumed-Modes Models | |
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Free Vibration of Systems with Rigid-Body Modes | |
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Introduction to Mode Superposition: Frequency Response of an Undamped 2-DOF System | |
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Undamped Vibration Absorber | |
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Reference | |
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Problems | |
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Vibration Properties of MDOF Systems: Modes, Frequencies, and Damping | |
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Some Properties of Natural Frequencies and Natural Modes of Undamped MDOF Systems | |
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Model Reduction: Rayleigh, Rayleigh-Ritz, and Assumed-Modes Methods | |
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Uncoupled Damping in MDOF Systems | |
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Structures with Arbitrary Viscous Damping: Complex Modes | |
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Natural Frequencies and Mode Shapes of Damped Structures with Rigid-Body Modes | |
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References | |
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Problems | |
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Dynamic Response of MDOF Systems: Mode-Superposition Method | |
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Mode-Superposition Method: Principal Coordinates | |
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Mode-Superposition Solutions for MDOF Systems with Modal Damping: Frequency-Response Analysis | |
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Mode-Displacement Solution for the Response of MDOF Systems | |
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Mode-Acceleration Solution for the Response of Undamped MDOF Systems | |
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Dynamic Stresses by Mode Superposition | |
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Mode Superposition for Undamped Systems with Rigid-Body Modes | |
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References | |
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Problems | |
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Continuous Systems | |
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Mathematical Models of Continuous Systems | |
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Applications of Newton's Laws: Axial Deformation and Torsion | |
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Application of Newton's Laws: Transverse Vibration of Linearly Elastic Beams (Bernoulli-Euler Beam Theory) | |
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Application of Hamilton's Principle: Torsion of a Rod with Circular Cross Section | |
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Application of the Extended Hamilton's Principle: Beam Flexure Including Shear Deformation and Rotatory Inertia (Timoshenko Beam Theory) | |
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References | |
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Problems | |
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Free Vibration of Continuous Systems | |
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Free Axial and Torsional Vibration | |
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Free Transverse Vibration of Bernoulli-Euler Beams | |
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Rayleigh's Method for Approximating the Fundamental Frequency of a Continuous System | |
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Free Transverse Vibration of Beams Including Shear Deformation and Rotatory Inertia | |
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Some Properties of Natural Modes of Continuous Systems | |
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Free Vibration of Thin Flat Plates | |
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References | |
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Problems | |
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Computational Methods in Structural Dynamics | |
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Introduction to Finite Element Modeling of Structures | |
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Introduction to the Finite Element Method | |
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Element Stiffness and Mass Matrices and Element Force Vector | |
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Transformation of Element Matrices | |
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Assembly of System Matrices: Direct Stiffness Method | |
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Boundary Conditions | |
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Constraints: Reduction of Degrees of Freedom | |
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Systems with Rigid-Body Modes | |
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Finite Element Solutions for Natural Frequencies and Mode Shapes | |
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References | |
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Problems | |
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Numerical Evaluation of Modes and Frequencies of MDOF Systems | |
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Introduction to Methods for Solving Algebraic Eigenproblems | |
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Vector Iteration Methods | |
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Subspace Iteration | |
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QR Method for Symmetric Eigenproblems | |
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Lanczos Eigensolver | |
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Numerical Case Study | |
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References | |
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Problems | |
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Direct Integration Methods for Dynamic Response of MDOF Systems | |
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Damping in MDOF Systems | |
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Numerical Integration: Mathematical Framework | |
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Integration of Second-Order MDOF Systems | |
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Single-Step Methods and Spectral Stability | |
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Numerical Case Study | |
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References | |
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Problems | |
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Component-Mode Synthesis | |
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Introduction to Component-Mode Synthesis | |
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Component Modes: Normal, Constraint, and Rigid-Body Modes | |
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Component Modes: Attachment and Inertia-Relief Attachment Modes | |
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Flexibility Matrices and Residual Flexibility | |
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Substructure Coupling Procedures | |
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Component-Mode Synthesis Methods: Fixed-Interface Methods | |
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Component-Mode Synthesis Methods: Free-Interface Methods | |
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Brief Introduction to Multilevel Substructuring | |
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References | |
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Problems | |
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Advanced Topics in Structural Dynamics | |
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Introduction to Experimental Modal Analysis | |
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Introduction | |
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Frequency-Response Function Representations | |
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Vibration Test Hardware | |
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Fourier Transforms, Digital Signal Processing, and Estimation of FRFs | |
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Modal Parameter Estimation | |
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Mode Shape Estimation and Model Verification | |
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References | |
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Problems | |
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Introduction to Active Structures | |
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Introduction to Piezoelectric Materials | |
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Constitutive Laws of Linear Piezoelectricity | |
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Application of Newton's Laws to Piezostructural Systems | |
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Application of Extended Hamilton's Principle to Piezoelectricity | |
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Active Truss Models | |
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Active Beam Models | |
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Active Composite Laminates | |
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References | |
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Problems | |
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Introduction to Earthquake Response of Structures | |
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Introduction | |
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Response of a SDOF System to Earthquake Excitation: Response Spectra | |
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Response of MDOF Systems to Earthquake Excitation | |
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Further Considerations | |
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References | |
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Problems | |
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Units | |
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Complex Numbers | |
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Elements of Laplace Transforms | |
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Fundamentals of Linear Algebra | |
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Introduction to the Use of Matlab | |
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Index | |