Latest Posts
How to Use the Sketch Tools in COMSOL® to Draw 2D Geometry
Did you know that you can interactively draw and edit geometry right within the Graphics window in COMSOL Multiphysics®? Learn how to use Sketch mode with step-by-step video demonstrations.
Introducing the Porous Media Flow Module
From multiphase transport and non-Darcian flow to local thermal equilibrium and nonequilibrium, we discuss the advanced porous media flow modeling you can do with the Porous Media Flow Module.
Why Is My Coffee Maker Smiling at Me? Pareidolia Examined
A coffee maker smiles at you. A mop looks grumpy. The side of a building looks surprised. The phenomenon of seeing faces in inanimate objects, pareidolia, is more common than you might think…
Exploiting Hardware Parallelism with COMSOL® Batch Sweeps
What is a batch sweep? How do I set up a batch sweep for my model? How much batch parallelism can COMSOL Multiphysics® exploit? We answer these questions and more…
Introduction to the Elastic Waves, Time Explicit Interface
From nondestructive testing to seismic wave propagation in soil and rock, there are many application areas that involve the propagation of elastic waves in solids and vibrations in structures.
Gaining Understanding of Complex Phenomena with Virtual Laboratories
Virtual laboratories make complex scientific phenomena accessible for students. See examples from the University of Hartford, Virginia Commonwealth University, and the University of Dayton.
How to Use State Variables in COMSOL Multiphysics®
As of COMSOL Multiphysics® version 5.5, you can use state variables to track the state of your model; affect other fields, such as material properties; and even implement hysteresis.
Modeling Heat Transfer in Thin Layers via Layered Material Technology
We answer some questions you may have about the Layered Material functionality in the COMSOL® software: What does it do? How do you update existing models? How do simulations benefit from it?
Evanescent Component of the Nonparaxial Gaussian Beam
The evanescent component of the nonparaxial Gaussian beam background field is available as a feature in the Wave Optics and RF modules as of COMSOL Multiphysics® version 5.5.
Happy Birthday, Cecilia Payne-Gaposchkin
In 1925, Cecilia Payne-Gaposchkin made a revolutionary discovery about hydrogen that unfortunately wasn’t believed at the time. This didn’t stop her from breaking new ground in astronomy.
Who Discovered the Integrated Circuit?
Like many of the world’s greatest innovations, credit for developing the integrated circuit is shared by many names, including Geoffrey Dummer, Jack Kilby, and Robert Noyce.
Approaching an Electrochemical Model from Scratch: Lemon Battery
The lemon battery: A high school chemistry experiment, and a great example when learning the general process for how to set up electrochemistry and battery models from scratch.
How to Create an App with CAD Import and Selections
What if you want to create an app with CAD import functionality and interactive selections, but you don’t know any programming? The Form Editor in the Application Builder lets you do just that.
Optimizing the Electroplating Process for Multiple Components
From everyday kitchen utensils to iconic award show statuettes, rack plating is a useful manufacturing process that ensures components are electroplated both uniformly and efficiently.
6 Ways Engineers Are Using Simulation to Help the Environment
Energy-efficient buildings and appliances. Safe nuclear waste storage. Well-preserved freshwater lakes. These are just a few examples of how simulation is being used to help the environment.
Measuring the SAR of a Human Head Next to a Wi-Fi Antenna
Many wireless devices include antennas that expose consumers to RF energy. Designers of these devices need to understand the health implications caused by electromagnetic exposure, such as SAR.
Modeling the Scattering of Light Off of an Object on a Substrate
A common modeling scenario in wave electromagnetics: computing the scattering of light off of a structure patterned on top of a uniform dielectric substrate.
How to Model a Chain Drive in COMSOL Multiphysics®
You’ve already learned how to use built-in geometry parts to model roller chain sprocket assemblies. Now, learn how to use the geometry as an input to automatically generate a chain drive model.
Modeling the Spread of COVID-19 with COMSOL Multiphysics®
From susceptible to exposed and infected to recovered: See how numerical modeling can help us understand the dynamics of the COVID-19 pandemic and how it spreads.
How Do I Use Gauge Fixing in COMSOL Multiphysics®?
Here’s your guide to using gauge fixing in your electromagnetics simulations in COMSOL Multiphysics®, from determining if it is necessary to imposing current conservation.
7 Reasons Why COMSOL Customers Are Using Simulation Apps
Collaboration. Quick answers. Freed up resources. See what else these seven COMSOL® users like about simulation apps.
Modeling and Simulation of Multiphase Flow in COMSOL®: Part 1
Multiphase flow can be modeled on scales ranging from fractions of microns to tens of meters. Get an overview of the dispersed and separated multiphase flow models for different types of flow.
What Is Gauge Fixing? A Theoretical Introduction
Investigate the consequences of Helmholtz’s theorem when applied to Maxwell’s equations, and when using scalar and vector potentials to represent physical fields.
Modeling a Pacemaker Electrode in COMSOL Multiphysics®
What happens when the heart doesn’t pump the way it should? Pacemakers maintain the heart rate by monitoring natural electrical signals. Pacemaker electrodes are a key part of these devices.