Latest Posts
Modeling Free Surfaces in COMSOL Multiphysics® with Moving Mesh
You can model free liquid surfaces that do not undergo topology changes using moving mesh functionality in the COMSOL® software. Here’s a thorough guide on how to do so.
Studying the Van Allen Belts with Particle Tracing Simulation
Get a closer view of the Van Allen belts, 2 donut-shaped belts of radiation that surround Earth, with the help of particle tracing software.
What Is the Doppler Effect?
A siren passes by and you hear a change in pitch. A bug swims across a puddle, causing ripples on the surface. A star in the sky has a reddish hue. These are all examples of the Doppler effect.
How to Model Conductors in Time-Varying Magnetic Fields
You can use the AC/DC Module to perform frequency-domain simulations for conductors in time-varying magnetic fields by describing the skin effect.
Analyzing the Current Distribution in a Lead-Acid Battery Design
The lead-acid battery in your car is not much different from the original one developed by Gaston Planté in 1859. 1 change is that you can now analyze the current distribution using simulation.
Analyzing Multiphase Flow in an Airlift Loop Reactor Benchmark Model
This blog post features a benchmark model of an airlift loop reactor that validates the use of CFD simulation for analyzing multiphase flow.
Happy Birthday, Gustave-Gaspard Coriolis
Gustave-Gaspard Coriolis’s research into mechanical systems has had far-reaching effects. In fact, the Coriolis effect is used to describe the rotation of Earth, which can be observed from space.
Analyzing Magnetotellurics with Electromagnetics Simulation
Magnetotellurics (MT) is a geophysical method for mapping the magma flow of volcanos. Using electromagnetics simulation, engineers are able to study and improve this technique.
Studying the Decoupling Effect of Electromagnetic Band Gap Structures
Electromagnetic band gaps (EBGs) can suppress unwanted EMI and increase desired EMC between antennas, improving their performance. Learn how to study this decoupling effect via simulation.
Two Methods for Modeling Free Surfaces in COMSOL Multiphysics®
We take you through 2 methods for modeling free surfaces in the COMSOL® software: the level set and phase field methods. Learn how to use each method and their benefits.
Happy Birthday, Inge Lehmann
Inge Lehmann was a Danish geophysicist and seismologist who used seismic waves generated by earthquakes to answer the age-old question: What’s really at the center of the earth?
The Elephants of Materials Science: SMAs Never Forget Their Shape
Learn about the history and use cases of shape memory alloys such as nitinol. You can also model the phase transformation of these unique materials in COMSOL Multiphysics®.
How to Search for a Specific COMSOL Multiphysics® Application
The Application Libraries in the COMSOL® software contain a variety of examples that demonstrate specific features and modeling techniques. Learn how to quickly search for a specific one.
Chasing Waves: The Story of John Scott Russell and the KdV Equation
It all started with a horse: Learn about the history and use cases for solitons, as well as the life and work of the naval architect behind the KdV equation: John Scott Russell.
How to Solve a Classic CFD Benchmark: The Lid-Driven Cavity Problem
We demonstrate how to solve a classic benchmark problem in the field of computational fluid dynamics, the lid-driven cavity problem, using the COMSOL® software.
How to Create Complex Lens Geometries for Ray Optics Simulations
Learn how to set up the model geometry for a complex lens system in a way that ensures an effective and successful ray optics simulation.
Happy Birthday, Jean-Charles de Borda
Jean-Charles de Borda traveled the seas in the French military before making strides in the fields of fluid mechanics, geodesy, navigation, and more.
Analyzing Operating Mode Options for Helical Antennas
Simple but effective, helical antennas are used in smart implants, RFID, radio, GPS, space probes, and more. You can use RF simulation to analyze the operating mode options for these antennas.
Happy Birthday, Claude Shannon
Claude Shannon ushered in a new age of communications technology, contributing ideas about testing digital circuits, coding messages in binary, and programming artificial intelligence.
Teaching Students About Acoustics Phenomena with Apps
Acoustics concepts and their underlying theories can be difficult for engineering students to visualize. For one university, simulation applications proved to be an effective teaching tool.
Modeling Fluid-Structure Interaction in a Heart Valve
The average human heart beats 100,000 times per day, but what if the person has cardiac issues? Modeling fluid-structure interaction in a heart valve can help researchers develop new treatments.
Analyzing Wastewater Contaminant Removal in a Secondary Clarifier
1 potential way to ensure sustainable water access is by developing safe and efficient wastewater clarifiers. Engineers can use fluid flow simulation to develop optimized clarifier systems.
Ray Optics Simulation of Sagnac Interferometers and Ring Laser Gyros
Have you ever been in a revolving restaurant that slowly spins as you dine? This same concept can be used to understand the operating principles of Sagnac interferometers and ring laser gyros.
Smart(er) Healthcare: Designing RFID Tags for Biomedical Applications
Bioengineering meets RF simulation in this blog post about designing RFID systems that can be used for safe and optimized patient care.