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Acoustics & Vibrations Blog Posts

Modeling Aeroacoustics with the Linearized Navier-Stokes Equations

July 25, 2017

Get a comprehensive introduction to aeroacoustics modeling, as well as the linearized Navier–Stokes equations and how to implement them in COMSOL Multiphysics®.

Analyzing a Probe Tube Microphone Design with Acoustics Simulation

July 10, 2017

Probe tube microphones are an important component in hearing aids. Learn about how you can use acoustics modeling to analyze the design and predict the performance of these devices.

How to Model Gearbox Vibration and Noise in COMSOL Multiphysics®

May 23, 2017

Compute the NVH, an important design consideration for automobiles, industrial machinery, and more, in a gearbox design using multibody analysis. Part 5 of a series on gear modeling.

Analyzing Hearing Aid Receivers with Lumped-Parameter Modeling

March 17, 2017

Modeling complete hearing aid systems is extremely computationally expensive. Enter lumped-parameter modeling, which enables you to couple a system component to a test setup for validation.

Using the Discontinuous Galerkin Method to Model Linear Ultrasound

January 26, 2017

You can easily model acoustically large problems, like linear ultrasound, with a predefined physics interface that uses a memory-efficient approach called the discontinuous Galerkin method.

Keynote Video: Solving 2 Transport Process Problems with Simulation

January 19, 2017

In a keynote presentation from the COMSOL Conference 2016 Boston, Carl Meinhart from the University of California, Santa Barbara and Numerical Design discusses simulating transport processes.

Keynote Video: Locating Leaks in Pipe Networks with a Simulation App

January 16, 2017

Sebastien Perrier of Echologics discusses a simulation application used to locate leaks in underground pipe networks in his keynote presentation at the COMSOL Conference 2016 Boston.

How to Model an Anechoic Coating

January 5, 2017

Modeling an anechoic coating involves finding the smallest unit cell, truncating the geometry, and analyzing the wave diffration. The COMSOL® software includes predefined interfaces to do so.