NVH Analysis for Automotive Applications Using Multiphysics Simulation

NVH Analysis for Automotive Applications Using Multiphysics Simulation

Abstract

Noise, vibration, and harshness (NVH) in automotive systems stem from sound and vibrations generated by various components in a vehicle. NVH analysis is critical when designing the electromechanical parts of a vehicle, ultrasonic sensors, and car audio systems. The acoustics profile of each component is a result of the interaction between multiple physical effects, including multibody dynamics, heat transfer, fluid flow, and structural mechanics. Optimizing component behavior therefore requires accurate prediction and analysis of these different physical interactions.

If you would like to learn more about analyzing NVH in various automotive components with the help of the COMSOL Multiphysics® software, join us for this interactive webinar.

Key Discussion Points

Attendees will learn how to:

  1. Perform NVH analysis of car cabins, speakers, gearboxes, motors, and mufflers
  2. Efficiently model perforated baffles and pipes in mufflers
  3. Account for viscous and thermal losses in speakers
  4. Analyze the acoustic performance of liners and perforates in the presence of flow
  5. Compute transmission losses in mufflers using built-in port conditions and exterior acoustic fields in open-boundary problems
  6. Investigate sound-absorbing materials for vibration damping

Speaker : Dr. Utkarsh Chhibber, Applications Engineer II, COMSOL

Dr. Utkarsh Chhibber is an applications engineer at COMSOL specializing in duct acoustics and noise control. He received his PhD in mechanical engineering from IIT Dhanbad, where he worked on compact acoustic filters for broadband noise attenuation.