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Noise,Vibration and Harshness (NVH) consideration in Design and Maintenance


Focus Areas

  • Phenomena of Vibration and Noise and their characteristics and key physical parameters involved
  • Models of dynamic systems, response of Single Degree of Freedom dynamic system – free and forced undamped, free and forced damped
  • Extract design information (design parameters and their influence on system response) from response equations and curves
  • Time domain and Frequency domain response
  • Extension of vibration characteristics of simple models to real life structures, Multi-degree of freedom systems and structural dynamics
  • Response of dynamic systems to typical forces, response curves
  • Locating sources of vibrations and noise
  • Means of controlling vibrations – source modification, isolation, absorption
  • Physics of sound and hearing, Physical parameters related to sound, perception of sound, measurement of sound
  • Origin of sound and identification of potential sources of sound
  • Characteristics of sound, approach to identifying the source and means of controlling sound signals
  • Vibration testing methodology and its use for various aspects of dynamic systems – Description and Demonstration

Background

Vibration is one of the most pervasive problems in engineering industry. Time dependent motion related to vibrations is not only a cause for fatigue failures but also lead to undesirable deflection of structures. The latter is of high concern for many machine tools as it directly affects the quality of the output of the machine. In addition, in many situations, excessive vibrations also lead to noise problem in work area. Hence, a good understanding of the phenomenon – its characteristics and means of its control, is essential.

Keeping this in view, Indian Machine Tool Manufacturers' Association (IMTMA) is organizing a 2 day programme on “Noise, Vibration and Harshness consideration in design and Maintenance”

Key Takeaways

After undergoing the programme, the participants will be able to -

  • Identify potential sources of vibration and noise in machinery
  • Utilise testing and analysis resources for isolating the source of problem
  • Use different controlling techniques, based on the characteristics of the vibration problem and noise, to control it
  • Understand the testing methodology and how to utilise it for solving problem involving vibration and noise

Enquire About This Programme




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