Latest Posts

Parallel Universes, Schrödinger, Hawking, Borges, and One Direction
“It would not be beyond the realms of possibility that somewhere outside of our own universe lies another different universe — and in that universe, Zayn is still in One Direction.”

Modeling Thin Dielectric Films in Optics
Interested in modeling optical systems with dielectric films? Get an overview of some of the built-in tools in the Ray Optics Module for these modeling scenarios.

Part 2: Obtaining Material Data for Structural Mechanics from Measurements
Learn how to use nonlinear elastic and elastoplastic materials, as well as a method for using your measured data directly in COMSOL Multiphysics®. Part 2 of a series on hyperelastic materials.

How to Create a Simulation App: Horn Antenna Demo
Get a comprehensive overview of what a simulation app is. We use the Corrugated Circular Horn Antenna Simulator demo app to demonstrate some of apps’ many benefits.

How to Model Rotating Machinery in 3D
There are many different types of electrical machines, but rotating machines like generators and motors play a major role in our modern industrial society. Learn how to model these systems in 3D.

Simulating Antenna Crosstalk on an Airplane
The last airplane you flew aboard most likely had multiple antennas on its fuselage. This creates crosstalk between antennas that can disturb the operation of the aircraft. RF simulation can help.

Using Deformations to Visualize Physical Motion
Postprocessing and visualization can help enhance your understanding of simulation results, and using plots to illustrate physical motion allows you to put everything into perspective.

Describing the Behavior of a Thermal Mass Flow Sensor
Researchers from the University of Cambridge analyzed the dynamics of a thermal flow sensor, a component of a flowmeter, with a 3D model. Get the full story >>

COMSOL Presents at the Automotive R&D Trends Conference
At the 7th annual Conference on Automotive R&D Trends in Chennai, India, COMSOL and Mahindra & Mahindra joined forces to discuss the role of simulation in automotive R&D. See highlights.

Do Hybrid and Electric Vehicles Have the Pulling Power?
Designers of hybrid and electric vehicles need to have a good understanding of how the car’s lithium-ion battery operates to ensure both performance and safety.

Phase Decomposition Analysis of Loudspeaker Vibrations
A guest blogger from Dynaudio A/S discusses using COMSOL Multiphysics® to perform a phase decomposition analysis of the vibrations in a loudspeaker.

Evaluating a UHF RFID Tag Design with Simulation
Did you know that ultrahigh-frequency (UHF) RFID tags have a wider range than other types of RFID tags? This is why they are often used to identify animals.

Implementing the Weak Form with a COMSOL App
First we implement the weak form equation and examine its matrices. Then we create a simulation app that displays all relevant matrices at once, arranged logically on one screen.

What to Expect from COMSOL Multiphysics Version 5.1
COMSOL Multiphysics® version 5.1 introduced 20 demo apps and many new features and functionality updates to numerous products. Get an overview of what’s new here.

Which Module Should I Choose for Working with My CAD Data?
We go over which add-on module or LiveLink™ interfacing product is best for your modeling scenarios involving CAD data. Get a comprehensive overview here.

Modeling Laser-Material Interactions with the Beer-Lambert Law
Did you know that you can use the Beer–Lambert law to model laser–material interactions in COMSOL Multiphysics®? Learn how here.

How Can I Build an Efficient Stirling Heat Pump?
Did you know that heat pumps are also called Stirling engines? These systems can operate on incredibly low temperature differences — some only need human body heat to work!

Using the Boussinesq Approximation for Natural Convection
Today, we compare the Boussinesq approximation to the full Navier-Stokes equations for a natural convection problem. We also show you how to implement the Boussinesq approximation in COMSOL Multiphysics software and discuss potential benefits of doing so.

Studying the Airflow Over a Car Using an Ahmed Body
The Ahmed body is a benchmark model widely used in the automotive industry for validating simulation tools. We discuss simulating airflow over an Ahmed body to optimize automotive aerodynamics.

An Analysis of Syngas Combustion in a Round-Jet Burner
By combining the Reacting Flow interface and the Heat Transfer in Solids interface, we can study the syngas combustion in a round-jet burner. Get details…

Can We Hear the Shape of a Drum?
Over half a century ago, Mark Kac gave an interesting lecture on a question that he had heard from Professor Bochner ten years earlier: “Can one hear the shape of a drum?”

Simulating the Insertion of a Snap Hook
Snap hooks, a type of fastener that involves the insertion of a hook into a slot, are found in the automotive industry. Simulation can be used to analyze their insertion and removal.

Instability in Portable Washing Machines
A varied distribution of clothing can cause walking instability in both traditional and portable washing machines. Multibody dynamics analysis can be used to avoid this effect in machine designs.

Improving Your Meshing with Partitioning
It can be tedious to subdivide your CAD geometry into a finite element mesh. In this blog post, we demonstrate how to use a manual meshing method called geometric partitioning to do so.