Latest Posts
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.
Strategies to Counter Small Automatic Time Steps
When solving a model, you may encounter a varying time step and discretization order, or NLfail or Tfail could be greater than 0. Use these strategies to improve the efficiency of the simulation.
Now Available: Collection of COMSOL Verification and Validation Models
You can conveniently find a selection of COMSOL models that include external verification references in a single place: the COMSOL Verification and Validation Models page.
Material Characterization by Means of Simulation
Carbon-based materials, such as synthetic specialty graphites, are found in many industries, including solar, semiconductor, car manufacturing, ceramics, and metallurgy.
Simulating the Carburization and Quenching of a Steel Gear
Gears are typically carburized and quenched to improve their fatigue durability and wear resistance. Simulation can help determine how these processes affect the gear’s residual stress state.
Happy Birthday, Olga Ladyzhenskaya
Olga Ladyzhenskaya wasn’t one to shy away from a challenge. In fact, through her research, she proved the convergence of a finite difference method for the Navier–Stokes equations.
Thermal Equilibrium and Nonequilibrium Heat Transfer in Porous Media
Heat transfer in porous media can occur under thermal equilibrium, such as a rock consisting of different minerals or trapped fluids, or nonequilibrium, like a thermal energy storage (TES) unit.
Using the Material Libraries in COMSOL Multiphysics®
The built-in material libraries are databases with materials and their associated properties, while the add-on Material Library contains material properties for more than 3800 materials.