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Introduction to Electric Motor NVH with
Ansys Solution

Course Overview

Noise, vibration, and harshness (NVH) in electric machines can come from many sources and has direct effects on the perceived quality of a product. As one noise source is reduced, other sources become increasingly important. The design of a high-performance electric machine with good sound characteristics requires a holistic engineering approach involving both the magnetic design of the motor and structural/acoustic design of the housing and supports. This design process can be analyzed with simulation, which can include simultaneous optimization of motor and housing parameters to achieve noise goals. 

Follow this course to learn about the physics and background of the Ansys approach for NVH simulation and experience hands-on workshops to illustrate how easily this workflow is implemented using Ansys simulation tools.

Prerequisites

Teaching Method

Lectures and workshop sessions to validate acquired knowledge.

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Learning Outcome

Following completion of this course, you will be able to:

  • Electromagnetic force calculation
  • Structural integrity and vibration/acoustics
  • Multiphysics Optimization to reduce NVH

 

 Available Dates

Learning Options

Training materials for this course are available with an Ansys Learning Hub Subscription. If there is no active public schedule available, private training can be arranged. Please contact us.

 

Agenda

This is a 2-day classroom course covering both tutorials and workshops. For virtual training, this course is covered over 3 x 2-hour sessions, tutorials only.

Virtual Classroom Session 1

  • Lecture 1: Introduction Ansys and Electric Machine Overview Presentation
  • Lecture 2: Electromagnetic Forces in Electric Machines
  • Workshop 1: Maxwell 2D Eccentric Force Calculation and Stator Force Reaction

Virtual Classroom Session 2

  • Lecture 3: Electromagnetic Forces in Electric Machines 2
  • Lecture 4: Structural Dynamics in Electric Machines
  • Workshop 2: Modal Analysis of Stator

Virtual Classroom Session 3

  • Lecture 5: Structural and Acoustic response of Electric Machines (including VRxperience)
  • Lecture 6: Optimization of Motor and Structure to Mitigate NVH
  • Workshop: Motor NVH with ERP Waterfall plot