National Institute of Technology Rourkela

राष्ट्रीय प्रौद्योगिकी संस्थान राउरकेला

ଜାତୀୟ ପ୍ରଯୁକ୍ତି ପ୍ରତିଷ୍ଠାନ ରାଉରକେଲା

An Institute of National Importance

Syllabus

Course Details

Subject {L-T-P / C} : ME4131 : Mechanical Vibration { 3-0-0 / 3}

Subject Nature : Theory

Coordinator : Prof. Dayal Ramakrushna Parhi

Syllabus

Undamped Free Vibration: Systems with single degree of freedom, Equilibrium method, The energy method, Rayleigh’s method, Stiffness of spring elements. Damped Free Vibrations: Viscous damping, laws of damping, logarithmic decrement. Forced Vibration with Harmonic Excitation: Steady state solution with viscous damping, Method of complex algebra, Reciprocating and rotating unbalance, Base excitation, Vibration isolation, Air springs, Energy dissipated by damping, Equivalent viscous damping, Structural damping, Sharpness of resonance, Vibration measuring instruments, Whirling of rotating shafts, Rigid shafts supported by flexible bearings. Two degree of freedom system: Vibration of undamped two degree of freedom system, coordinate coupling, vibration absorber. Multi-degree freedom system: Influence coefficients, generalized co-ordinates, matrix method, matrix iteration method, Stodola Method, Holzer’s Method, Dunkerley's method, Vibration of Continuous systems, Vibration of String, Longitudinal Vibration of Rods, Torsional Vibration of Rods, Vibration of Beams.

Course Objectives

  • To impart basic knowledge and importance on Mechanical Vibration in Engineering Fields among the students.
  • To create the awareness on Mechanical Vibration in Research and Application area

Course Outcomes

Knowledge will be gained on application and utility of Mechanical Vibration used in various sectors and fields.

Essential Reading

  • 1.W.T. Thompson, Theory of Vibration with Application, CBS Publisher
  • J.S. Rao, K. Gupta, Introductory Course on Theory and Practice of Mechanical Vibrations, New Age International

Supplementary Reading

  • Leonard Meirovitch, Elements of Vibration Analysis, Tata McGraw-Hill
  • Benson H. Tongue, Principles of vibration, New York Oxford