Structural dynamics and vibration in practice : an engineering handbook / Douglas Thorby.

Format:

Book

Author/Creator:

Thorby, Douglas.

Language:

English

Subjects (All):

Structural dynamics.

Vibration.

Physical Description:

1 online resource (419 p.)

Edition:

1st ed.

Place of Publication:

Boston ; Amsterdam ; London : Elsevier/Butterworth-Heinemann, 2008.

Language Note:

English

System Details:

text file

Summary:

This straightforward text, primer and reference introduces the theoretical, testing and control aspects of structural dynamics and vibration, as practised in industry today. Written by an expert engineer of over 40 years experience, the book comprehensively opens up the dynamic behavior of structures and provides engineers and students with a comprehensive practice based understanding of the key aspects of this key engineering topic. Key featuresWorked example based makes it a thoroughly practical resourceAimed at those studying to enter, and already working in indust

Contents:

Front Cover; Structural Dynamics and Vibration in Practice; Copyright Page; Table of Contents; Preface; Acknowledgements; Chapter 1 Basic Concepts; 1.1 Statics, dynamics and structural dynamics; 1.2 Coordinates, displacement, velocity and acceleration; 1.3 Simple harmonic motion; 1.3.1 Time history representation; 1.3.2 Complex exponential representation; 1.4 Mass, stiffness and damping; 1.4.1 Mass and inertia; 1.4.2 Stiffness; 1.4.3 Stiffness and flexibility matrices; 1.4.4 Damping; 1.5 Energy methods in structural dynamics; 1.5.1 Rayleigh's energy method; 1.5.2 The principle of virtual work

1.5.3 Lagrange's equations1.6 Linear and non-linear systems; 1.7 Systems of units; 1.7.1 Absolute and gravitational systems; 1.7.2 Conversion between systems; 1.7.3 The SI system; References; Chapter 2 The Linear Single Degree of Freedom System: Classical Methods; 2.1 Setting up the differential equation of motion; 2.1.1 Single degree of freedom system with force input; 2.1.2 Single degree of freedom system with base motion input; 2.2 Free response of single-DOF systems by direct solution of the equation of motion; 2.3 Forced response of the system by direct solution of the equation of motion

Chapter 3 The Linear Single Degree of Freedom System: Response in the Time Domain3.1 Exact analytical methods; 3.1.1 The Laplace transform method; 3.1.2 The convolution or Duhamel integral; 3.1.3 Listings of standard responses; 3.2 'Semi-analytical' methods; 3.2.1 Impulse response method; 3.2.2 Straight-line approximation to input function; 3.2.3 Superposition of standard responses; 3.3 Step-by-step numerical methods using approximate derivatives; 3.3.1 Euler method; 3.3.2 Modified Euler method; 3.3.3 Central difference method; 3.3.4 The Runge-Kutta method

3.3.5 Discussion of the simpler finite difference methods3.4 Dynamic factors; 3.4.1 Dynamic factor for a square step input; 3.5 Response spectra; 3.5.1 Response spectrum for a rectangular pulse; 3.5.2 Response spectrum for a sloping step; References; Chapter 4 The Linear Single Degree of Freedom System: Response in the Frequency Domain; 4.1 Response of a single degree of freedom system with applied force; 4.1.1 Response expressed as amplitude and phase; 4.1.2 Complex response functions; 4.1.3 Frequency response functions; 4.2 Single-DOF system excited by base motion

4.2.1 Base excitation, relative response4.2.2 Base excitation: absolute response; 4.3 Force transmissibility; 4.4 Excitation by a rotating unbalance; 4.4.1 Displacement response; 4.4.2 Force transmitted to supports; References; Chapter 5 Damping; 5.1 Viscous and hysteretic damping models; 5.2 Damping as an energy loss; 5.2.1 Energy loss per cycle - viscous model; 5.2.2 Energy loss per cycle - hysteretic model; 5.2.3 Graphical representation of energy loss; 5.2.4 Specific damping capacity; 5.3 Tests on damping materials; 5.4 Quantifying linear damping; 5.4.1 Quality factor, Q

5.4.2 Logarithmic decrement

Notes:

Description based upon print version of record.

Includes bibliographical references and index.

ISBN:

9786611145040

9781281145048

1281145041

9780080557151

0080557155

OCLC:

648331472