Acoustics & Vibrations Blog Posts
App: Ensuring the Efficiency of an Absorptive Muffler Design
We discuss a simulation app that lets engineers easily modify the dimensions of an absorptive muffler design, its ambient working conditions, and the material properties of the porous liner.
The Loudspeaker Celebrates 100 Years of Use and Influence
Did you know that December 10, 2015 marked 100 years since the first public display of a loudspeaker? Explore the device’s rich history and simulation’s role in advancing its design…
New Impedance Boundary Conditions for Acoustics Simulations
Get a comprehensive overview of the Impedance boundary conditions and how to use them for your acoustics simulations in COMSOL Multiphysics®.
Analyzing Forced Duffing Oscillations in Metal-Halide Lamps
2 independent researchers share insight into how they are optimizing the performance of metal-halide lamps using multiphysics simulation. Read the full story here >>
Simulating Acoustic Transfer Paths for Active Noise Control
A guest blogger from the FH Bielefeld University of Applied Sciences discusses simulating acoustic transfer paths with COMSOL Multiphysics® to mitigate noise in machinery designs.
Modeling Acoustic Orbital Angular Momentum
Get an introduction to acoustic orbital angular momentum and a demonstration of how to model it. Parr 2 of a blog series on modeling acoustophoretic forces.
A Thermoviscous Analysis of Acoustic Radiation Forces
Learn how to determine acoustic radiation forces, including thermoviscous and acoustophoretic effects, in the COMSOL® software.
Sweet Dreams with Diffusion Acoustics
Did you know that the acoustic diffusion equation is the quickest and easiest way to model high-frequency acoustics? Get an introduction to the concept of acoustic diffusion here.