Details

Mechanical Vibration


Mechanical Vibration

Fundamentals with Solved Examples
1. Aufl.

von: Ivana Kovacic, Dragi Radomirovic

100,99 €

Verlag: Wiley
Format: EPUB
Veröffentl.: 25.07.2017
ISBN/EAN: 9781118927588
Sprache: englisch
Anzahl Seiten: 280

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Beschreibungen

<p><b>Mechanical oscillators in Lagrange's formalism – a thorough problem-solved approach</b></p> <p>This book takes a logically organized, clear and thorough problem-solved approach at instructing the reader in the application of Lagrange's formalism to derive mathematical models for mechanical oscillatory systems, while laying a foundation for vibration engineering analyses and design.</p> <p>Each chapter contains brief introductory theory portions, followed by a large number of fully solved examples. These problems, inherent in the design and analysis of mechanical systems and engineering structures, are characterised by a complexity and originality that is rarely found in textbooks.</p> <p>Numerous pedagogical features, explanations and unique techniques that stem from the authors’ extensive teaching and research experience are included in the text in order to aid the reader with comprehension and retention. The book is rich visually, including numerous original figures with high-standard sketches and illustrations of mechanisms.</p> <p>Key features:</p> <ul> <li>Distinctive content including a large number of different and original oscillatory examples, ranging from simple to very complex ones.</li> <li>Contains many important and useful hints for treating mechanical oscillatory systems.</li> <li>Each chapter is enriched with an Outline and Objectives, Chapter Review and Helpful Hints.</li> </ul> <p><i>Mechanical Vibration: Fundamentals with Solved Examples </i>is essential reading for senior and graduate students studying vibration, university professors, and researchers in industry.</p>
<p>About the Authors ix</p> <p>Preface xi</p> <p><b>1 Preliminaries 1</b></p> <p>Chapter Outline 1</p> <p>Chapter Objectives 1</p> <p>1.1 From Statics 1</p> <p>1.1.1 Mechanical Systems and Equilibrium Equations 1</p> <p>1.1.2 Constraints and Free-Body Diagrams 1</p> <p>1.1.3 Equilibrium Condition Via Virtual Work 2</p> <p>1.2 From Kinematics 4</p> <p>1.2.1 Kinematics of Particles 4</p> <p>1.2.2 Kinematics of Rigid Bodies 5</p> <p>1.2.3 Kinematics of Particles in Compound Motion 7</p> <p>1.3 From Kinetics 8</p> <p>1.3.1 Kinetics of Particles 8</p> <p>1.3.2 Kinetics of Rigid Bodies 9</p> <p>1.4 From Strength of Materials 13</p> <p>1.4.1 Axial Loading 13</p> <p>1.4.2 Torsion 14</p> <p>1.4.3 Bending 14</p> <p><b>2 Lagrange’s Equation for Mechanical Oscillatory Systems 17</b></p> <p>Chapter Outline 17</p> <p>Chapter Objectives 17</p> <p>2.1 About Lagrange’s Equation of the Second Kind 17</p> <p>2.2 Kinetic Energy in Mechanical Oscillatory Systems 19</p> <p>2.3 Potential Energy in Mechanical Oscillatory Systems 21</p> <p>2.3.1 Gravitational Potential Energy 22</p> <p>2.3.2 Potential Energy of a Spring (Elastic Potential Energy) 24</p> <p>2.4 Generalised Forces in Mechanical Oscillatory Systems 27</p> <p>2.5 Dissipative Function in Mechanical Oscillatory Systems 28</p> <p>References 30</p> <p><b>3 Free Undamped Vibration of Single-Degree-of-Freedom Systems 31</b></p> <p>Chapter Outline 31</p> <p>Chapter Objectives 31</p> <p>Theoretical Introduction 31</p> <p><b>4 Free Damped Vibration of Single-Degree-of-Freedom Systems 67</b></p> <p>Chapter Outline 67</p> <p>Chapter Objectives 67</p> <p>Theoretical Introduction 67</p> <p><b>5 Forced Vibration of Single-Degree-of-Freedom Systems 101</b></p> <p>Chapter Outline 101</p> <p>Chapter Objectives 101</p> <p>Theoretical Introduction 101</p> <p><b>6 Free Undamped Vibration of Two-Degree-of-Freedom Systems 127</b></p> <p>Chapter Outline 127</p> <p>Chapter Objectives 127</p> <p>Theoretical Introduction 127</p> <p><b>7 Forced Vibration of Two-Degree-of-Freedom Systems 153</b></p> <p>Chapter Outline 153</p> <p>Chapter Objectives 153</p> <p>Theoretical Introduction 153</p> <p><b>8 Vibration of Systems with Infinite Number of Degrees of Freedom 183</b></p> <p>Chapter Outline 183</p> <p>Chapter Objectives 183</p> <p>8.1 Theoretical Introduction: Longitudinal Vibration of Bars 183</p> <p>8.2 Theoretical Introduction: Torsional Vibration of Shafts 197</p> <p>8.3 Theoretical Introduction: Transversal Vibration of Beams 207</p> <p><b>9 Additional Topics 225</b></p> <p>Chapter Outline 225</p> <p>Chapter Objectives 225</p> <p>9.1 Theoretical Introduction 225</p> <p>9.2 Equivalent Two-Element System for Concurrent Springs and Dampers 226</p> <p>9.2.1 Concurrent Springs 227</p> <p>9.2.2 Concurrent Dampers 231</p> <p>9.3 Nonlinear Springs in Series 238</p> <p>9.3.1 Purely Nonlinear Springs in Series 239</p> <p>9.3.2 Equal Duffing Springs in Series 239</p> <p>9.3.3 Two Different Nonlinear Springs 240</p> <p>9.4 On the Deflection and Potential Energy of Nonlinear Springs: Approximate Expressions 242</p> <p>9.4.1 Duffing-Type Spring Deformed in the Static Equilibrium Position 242</p> <p>9.4.2 Duffing-Type Spring Undeformed in the Static Equilibrium Position 242</p> <p>9.5 Corrections of Stiffness Properties of Certain Oscillatory Systems 244</p> <p>9.5.1 One-Degree-of-Freedom Systems 245</p> <p>9.5.2 Two-Degree-of-Freedom Systems 248</p> <p><b>Appendix: Mathematical Topics 255</b></p> <p>A.1 Geometry 255</p> <p>A.2 Trigonometry 257</p> <p>A.3 Algebra 258</p> <p>A.4 Vectors 258</p> <p>A.5 Derivatives 259</p> <p>A.6 Variation (Virtual Displacements) 260</p> <p>A.7 Series 260<br /><br />Index 261</p>
<p><b> Ivana Kovačić,</b> University of Novi Sad, Serbia <p> Ivana Kovačić graduated in Mechanical Engineering from the Faculty of Technical Sciences (FTN), University of Novi Sad, Serbia. She obtained her MSc and PhD in the Theory of Nonlinear Vibrations at the FTN. She is currently a Full Professor of Mechanics at the FTN and the head of the Centre of Excellence for Vibro-Acoustic Systems and Signal Processing CEVAS at the same faculty. Kovačić is the Subject Editor of three academic journals: the Journal of Sound and Vibration, the European Journal of Mechanics A/Solids and Meccanica. Her research involves the use of quantitative and qualitative methods to study differential equations arising from nonlinear dynamics problems mainly in mechanical engineering, and recently also in biomechanics and tree vibrations. <p><b> Dragi Radomirović,</b> University of Novi Sad, Serbia <p> Dragi Radomirović graduated in Mechanical Engineering from the Faculty of Technical Sciences (FTN), University of Novi Sad (UNS), Serbia. He obtained his MSc and PhD in Analytical Mechanics at the FTN. He is a Full Professor of Mechanics at the Faculty of Agriculture, UNS. His research interests are directed towards Mechanical Vibrations and Analytical Mechanics.
<p> This book takes a logically organized, clear and thorough problem-solved approach at instructing the reader in the application of Lagrange's formalism to derive mathematical models for mechanical oscillatory systems, while laying a foundation for vibration engineering analyses and design. <p> Each chapter contains brief introductory theory portions, followed by a large number of fully solved examples. These problems, inherent in the design and analysis of mechanical systems and engineering structures, are characterised by a complexity and originality that is rarely found in textbooks. <p> Numerous pedagogical features, explanations and unique techniques that stem from the authors' extensive teaching and research experience are included in the text in order to aid the reader with comprehension and retention. The book is rich visually, including numerous original figures with high-standard sketches and illustrations of mechanisms. <p><b> Key features: </b> <ul> <li>Distinctive content including a large number of different and original oscillatory examples, ranging from simple to very complex ones.</li> <li>Contains many important and useful hints for treating mechanical oscillatory systems.</li> <li>Each chapter is enriched with an Outline and Objectives, Chapter Review and Helpful Hints.</li> </ul> <br> <p><i> Mechanical Vibration: Fundamentals with Solved Examples</i> is essential reading for senior and graduate students studying vibration, university professors, and researchers in industry.

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