VIBRATION AND NOISE 3 - SET 2 - NOTES
VIBRATION AND NOISE – SET2
This module explores the fundamental principles of vibration and noise in mechanical and structural systems. It covers the sources of vibrations and noise, their effects on structures and equipment, and techniques for measurement, analysis, and control. Vibration and Noise have widespread applications across engineering fields, including structural health monitoring of bridges and buildings, designing quieter and more reliable mechanical equipment and vehicles, enhancing aerospace safety and comfort, developing effective noise control solutions, and enabling predictive maintenance of industrial machinery. These applications help improve safety, performance, user comfort, and environmental quality in various industries.
SET 2 TOPICS
1 Vibration Under General Forcing Conditions
1.1 Response of a System Under General Periodic Force
1.2 Runge Kutta
2 MDOF Systems
2.1 Introduction
2.2 Deriving Equations of motion
2.2.1 Using Newton’s Second Law
2.3 Equations of Motion in Matrix Form
2.4 Torsional systems in Matrix form
2.5 Eigenvalue Problem
2.5.1 Natural Frequency
2.5.2 Mode Shape
2.6 Coordinate Coupling
3 Vibration Control
3.1 Introduction
3.2 Balancing Rotating Machines
3.2.1 Static unbalance
3.2.2 Single plane balancing using a vibration analyser
3.2.3 Two Plane Balancing
3.2.4 Static Balancing Method
3.2.5 Using a vibration analyser
3.3 Whirling of Rotating Shafts
3.4 Balancing of reciprocating Engines
3.4.1 Unbalanced forces due to moving inertia parts
3.5 Vibration Control
3.6 Vibration Isolation
3.6.1 Reduction of the vibratory motion of the mass
3.6.2 Vibration isolation for moving foundation
3.6.3 Flexible foundation vibration isolation
3.6.4 Partially Flexible Foundation
3.7 Vibration Absorber