Acoustics & Vibrations Blog Posts
Finding Buried Objects Using Seismic Surface Waves
Could spectral analysis of seismic surface waves help find a buried object? Learn about this novel method here.
Why Sounds Travel Farther at Night
Why do sounds travel father at night? In this blog post, we answer this question with COMSOL Multiphysics® and its ray-tracing method.
Sound-Absorbing Boundaries: Local vs. Extended Reaction
Room acoustics simulation is a key part of designing a comfortable acoustic environment in a room. Explore the features in the Acoustics Module that are well-suited for room acoustics simulation.
Exploring the Partial Fraction Fit Functionality in COMSOL Multiphysics®
A guest blogger from Acculution ApS gives a comprehensive look at how he is using the Partial Fraction Fit function, introduced in COMSOL Multiphysics® version 6.2.
Modeling an Acoustic Trap: Thermoacoustic Streaming and Particle Tracing
Acoustic traps are used in a range of biomedical applications for manipulating cells and particles. See how an acoustic trap can be simulated in COMSOL Multiphysics® here.
Convolution and Auralization for Room Acoustics Analysis
Convolution is applied in various fields for signal and image processing, statistics, and more. Explore 3 methods for performing convolution in COMSOL Multiphysics® here.
Modeling Acoustic Energy Generation in Thermoacoustic Engines
Thermoacoustic engines do not use moving parts, keeping their structure very simple. Learn more about these engines and how to model them here.
Full Acoustic Room Impulse Response of a Small Smart Speaker
The acoustic response of a small smart speaker can be modeled using the built-in hybrid FEM–ray coupling functionality in the COMSOL Multiphysics® software. Learn more here.
Modeling Room Acoustics Using a Hybrid Approach
Explore a hybrid approach that combines ray-tracing and finite element methods for modeling room acoustics.
Computing Transient Sound Pressure Levels in COMSOL®
Sound pressure level metrics are important to know when trying to make results from a transient simulation easier to interpret on a logarithmic scale. Learn how to compute 3 of these metrics here.
The Octave Band Plot for Acoustics Simulation
The Octave Band plot provides an easy and flexible way to represent any frequency response, transfer function, sensitivity curve, transmission loss, or insertion loss in your acoustics analyses.
How to Use the New Spatial FFT Feature for Applications in Optics
COMSOL Multiphysics® version 6.0 includes the new Spatial FFT feature. Learn how this feature can be used in applications in optics here.