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Multibody Dynamics for Gear Noise and Vibration

August 5 @ 11:30 AM - 12:30 PM

August 5, 2020

11:30 AM – 12:30 pm (IST)


Omkar M Kesarkar

The Drivetrain Toolkit in Ansys Motion is a pre- and post-processing tool for quick and detailed modeling of geartrains including bearings and housings. A templated workflow facilitates gear geometry generation and meshing stiffness evaluation based on macro- and micro-geometry gear inputs. A multifidelity approach for modeling shafts ranging from simple beam design to solid flexible shafts is included in the toolkit. Dynamic transmission error, bearing forces and gear contacting forces can be extracted in the time domain during post-processing. Built-in numeric data operations like FFT, STFT, signal filtering and order cut can be used to extract the results in the frequency domain in Ansys Motion post. Ansys VRX Sound Analysis and Specification can also be used for advanced post-processing needs.


Gear noise and vibration study at early stages of design helps reduce costs in expensive prototype manufacturing and physical testing.

Who should attend?

  • Gear design engineers
  • Gear engineering analysts
  • Gear NVH testing engineers
  • Product development personnel from automotive and electric machine developers


Omkar M Kesarkar

Omkar M. Kesarkar
Senior Application Engineer, Ansys

Omkar M. Kesarkar is a senior application engineer at Ansys. He graduated with a B.Tech and an M.Tech in mechanical engineering from IIT Bombay in 2009. Since 2014, he has been providing presales support for linear dynamics, multibody dynamics, wear, brake and gear modeling. He was part of the exhaust and after treatment product development team at a leading automotive OEM for more than three years before joining Ansys