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عدد المساهمات : 18961 التقييم : 35389 تاريخ التسجيل : 01/07/2009 الدولة : مصر العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
| موضوع: كتاب Vibration Problems in Engineering الجمعة 20 أبريل 2012, 9:07 pm | |
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تذكير بمساهمة فاتح الموضوع : أخوانى فى الله أحضرت لكم كتاب Vibration Problems in Engineering BY S. TIMOSHENKO Professor of Theoretical and Engineering Mechanics Stanford University
ويتناول الموضوعات الأتية :
CONTENTS CHAPTER I PAGE HARMONIC VIBRATIONS OF SYSTEMS HAVINO ONE DEGREE OF FREEDOM . Free Harmonic Vibrations 1 2. Torsional Vibration 4 3. Forced Vibrations 8 4. Instruments for Investigating Vibrations 19 5. Spring Mounting of Machines 24 6. Other Technical Applications 26 /V. Damping 30 ^78. Free Vibration with Viscous Damping 32 9. Forced Vibrations with Viscous Damping 38 10. Spring Mounting of Machines with Damping Considered 51 11. Free Vibrations with Coulomb's Damping 54 12. Forced Vibrations with Coulomb's Damping and other Kinds of Damping. 57 13. Machines for Balancing 62 14. General Case of Disturbing Force 64 v/15. Application of Equation of Energy in Vibration Problems 74 16. Rayleigh Method 83 17. Critical Speed of a Rotating Shaft 92 18. General Case of Disturbing Force 98 19. Effect of Low Spots on Deflection of Rails 107 20. Self-Excited Vibration 110 CHAPTER IT VIBRATION OF SYSTEMS WITH NON-LINEAR CHARACTERISTICS 21 . Examples of Non-Linear Systems 114 22. Vibrations of Systems with Non-linear Restoring Force 119 23. Graphical Solution 121 24. Numerical Solution 126 25. Method of Successive Approximations Applied to Free Vibrations 129 26. Forced Non-Linear Vibrations 137 CHAPTER 111 SYSTEMS WITH VARIABLE SPRING CHARACTERISTICS 27. Examples of Variable Spring Characteristics 151 28. Discussion of the Equation of Vibratory Motion with Variable Spring Characteristics 160 29. Vibrations in the Side Rod Drive System of Electric Locomotives 167 viivia CONTENTS CHAPTER IV PAGE SYSTEMS HAVING SEVERAL DEGREES OF FREEDOM 30. d'Alembert's Principle and the Principle of Virtual Displacements 182 31. Generalized Coordinates and Generalized Forces 185 32. Lagrange's Equations 189 33. The Spherical Pendulum 192 34. Free Vibrations. General Discussion 194 35. Particular Cases 206 36. Forced Vibrations 208 37. Vibration with Viscous Damping 213 38. Stability of Motion 216 39. Whirling of a Rotating Shaft Caused by Hysteresis 222 40. Vibration of Vehicles 229 41. Damping Vibration Absorber 240 CHAPTER V TORSIONAL AND LATERAL VIBRATION OF SHAFTS 42. Free Torsional Vibrations of Shafts 253 43. Approximate Methods of Calculating Frequencies of Natural Vibrations . . 258 44. Forced Torsional Vibration of a Shaft with Several Discs 265 45. Torsional Vibration of Diesel Engine Crankshafts 270 46. Damper with Solid Friction 274 47. Lateral Vibrations of Shafts on Many Supports 277 48. Gyroscopic Effects on the Critical Speeds of Rotating Shafts 290 49. Effect of Weight of Shaft and Discs on the Critical Speed 299 50. Effect of Flexibility of Shafts on the Balancing of Machines 303 CHAPTER VI VIBRATION OF ELASTIC BODIES 51. Longitudinal Vibrations of Prismatical Bars 307 52. Vibration of a Bar with a Load at the End 317 53. Torsional Vibration of Circular Shafts 325 54. Lateral Vibration of Prismatical Bars 331 55. The Effect of Shearing Force and Rotatory Inertia 337 V 56. Free Vibration of a Bar with Hinged Ends 338 Jbl. Other End Fastenings 342 >/58. Forced Vibration of a Beam with Supported Ends 348 59. Vibration of Bridges 358 60. Effect of Axial Forces on Lateral Vibrations 364 61. Vibration of Beams on Elastic Foundation 368 62. Ritz Method 370 63. Vibration of Bars of Variable Cross Section 376 64. Vibration of Turbine Blades . . . . . . 382CONTENTS ix PAGE 65. Vibration of Hulls of Ships 388 06. Lateral Impact of Bars 392 67. Longitudinal Impact of Prismatical Bars 397 *8. Vibration of a Circular Ring 405 '69. Vibration of Membranes 411 70. Vibration of Plates 421 71. Vibration of Turbine Discs 435 APPENDIX VIBRATION MEASURING INSTRUMENTS 1. General 443 2. Frequency Measuring Instruments 443 3. The Measurement of Amplitudes 444 4. Seismic Vibrographs 448 5. Torsiograph 452 6. Torsion Meters 453 7. Strain Recorders 457 AUTHOR INDEX 463 SUBJECT INDEX
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