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Ansys Mechanical
Acoustics

Course Overview

Acoustics is the study of sound.  More specifically, it is the study of the generation, propagation, absorption, and reflection of sound pressure waves in an elastic medium. Whether you are designing sonar, concert halls, speakers, mufflers, or any other type of acoustic device, this course will provide insight on how to use Ansys Mechanical to perform Acoustics analysis.  It will provide a general understanding of acoustic phenomenon, terminology, and governing equations, while introducing the procedures for performing modal and harmonic acoustics analysis in Ansys Mechanical.

Prerequisites

Teaching Method

Lectures and computer workshops to give you the knowledge and confidence you will need to apply what you have learned to do your own designs.

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Learning Outcome

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

  • Understand the terminology and governing equations associated with acoustics.
  • Identify the material properties needed to characterize an acoustic medium.
  • Generate meshes suitable for modeling propagating sound waves.
  • Account for sound wave propagation through both fluid and solid domains, effectively taking into consideration the fluid-structure interaction between the two domains.
  • Perform modal acoustics analysis to compute modes of an acoustic cavity that may aid in identifying undesirable sources of sound.
  • Identity and define various acoustic excitations and use them to perform harmonic acoustics analysis.

 Available Dates

Currently, no training dates available

Learning Options

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

Agenda

This is a 1-day classroom course covering both tutorials and workshops. For virtual training, this course is covered over 3 x 2 hour session, tutorials only.

Virtual Classroom Session 1

  • Module 01: Introduction to Acoustics

Virtual Classroom Session 2

  • Module 02: Modal Acoustics
  • Module 03: Harmonic Acoustics
  • Workshop 02.1: Car Acoustic Modes
  • Workshop 02.2: Sloshing

Virtual Classroom Session 3

  • Module 03: Harmonic Acoustics (cont’d)
  • Workshop 03.1: Audio Speaker and Plate
  • Workshop 03.2: Acoustic Scattering from a Submarine
  • Workshop 03.3: Absorptive Muffler Transmission Loss
  • Workshop 03.4: Transfer Admittance Matrix
Topics Covered
  • Introduction to Acoustics and the associated terminology 
  • Acoustic Analysis Types and Material Properties 
  • Mesh Requirements 
  • Acoustic Structure Coupling (FSI) 
  • Modal Analysis 
  • Impedance Boundaries 
  • Sloshing and Immersed Structures 
  • Harmonic Response Analysis 
  • Acoustic Excitations and Boundary Conditions 
  • Transfer Admittance Matrix 
  • Wave Absorption Conditions 
  • Equivalent Perforated Materials 
  • Motor Noise Using Maxwell

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