Latest Posts
Why Car Batteries Perform Poorly in Cold Weather
Have you ever gone to start your car on a cold winter morning and nothing happens? The battery’s ability to convert chemical energy into electrical energy can be affected by low temperatures.
Enhancing the Design of Biconical Antennas with Simulation
Biconical antennas are an important component when conducting electromagnetic compatibility (EMC) testing for consumer electronics. RF simulation can be used to enhance their design.
Modeling Approaches in Heterogeneous Catalysis
Get an introduction to heterogeneous catalysis, the main steps for chemical species in heterogeneous catalytic reactions, adsorption-desorption models, surface reactions, and much more…
Application-Specific: Polar, Far-Field, and Particle Tracing Plots
When postprocessing your electromagnetics models, you can use polar, far-field, and particle tracing plots to effectively display your results. Learn how to use these 3 plot types here.
Predicting Cavitation in Journal Bearings
When designing journal bearings for use in a rotating shaft, the effect of cavitation needs to be considered, because it can affect the performance of these components.
How to Compute the Acoustic Radiation Force
Did you know that objects can actually be moved by sound? This effect is called acoustic radiation, and it is an acoustophoretic phenomenon that can be analyzed in the COMSOL® software.
Using Perfectly Matched Layers and Scattering Boundary Conditions for Wave Electromagnetics Problems
Learn how to use scattering boundary conditions and perfectly matched layers to truncate domains for your wave electromagnetics problem — and which technique is best for your modeling scenario.
How to Perform a 3D Analysis of a Semiconductor Device
Open for a comprehensive introduction to performing 3D analyses of semiconductor devices in COMSOL Multiphysics®. We demonstrate with a bipolar transistor example.
Dielectrophoretic Separation
Dielectrophoresis is a phenomenon in which an electric field is used to control the movement of electrically neutral particles. Learn about how to model this effect in both DC and AC fields.
Cloaking Advancements for Flexural Waves in Elastic Plates
A European research group discovered a theoretical framework to both overcome the limitations of cloaking and achieve exact cloaking for flexural waves in Kirchhoff–Love plates. Get details >>
Improving the Power of Optical Systems via Component Design
Adaptive optics are used to improve the power of optical systems — beyond the obstacles imposed by the optical medium. See examples and learn how to model adaptive optics systems.
Happy Birthday, André-Marie Ampère
André-Marie Ampère is recognized today as a founder of electrodynamics. Learn about the life and accomplishments of this French physicist and mathematician.
From Books to Technology: Pop-Up Fabrication Techniques
Fabricated “pop up” books aren’t just for kids: Researchers are using the same fabrication techniques to turn 2D micro- and nanostructures into extended 3D layouts.
How to Use COMSOL Multiphysics, a Tutorial Video
New to running simulations in COMSOL Multiphysics®? Get a preview of a step-by-step tutorial video that demonstrates how to set up and solve your first model.
Simulating Vibration and Noise in a Washing Machine
When designing a washing machine, you must account for a nonuniform distribution of clothing during operation. Simulation can be used to analyze vibration and noise in this household device.
Using General Extrusion Operators to Model Rotation
You can use the General Extrusion operators in COMSOL Multiphysics® to simulate rotating objects exposed to loads. A common real-world example of this is rotisserie-style foods.
Personal Thermal Management with Highly Insulating Clothing
Brr! Stanford University research suggests that by wearing highly insulating clothing, we can reduce or even eliminate the need for traditional heating systems! Read more >>
Magnetic Damping of a Vibrating Cantilever Beam
We discuss modeling a cantilever beam in a magnetic field. The beam has some structural excitation at the free end, which vibrates it at a constant frequency. Get details in this blog post.
Introducing Nonlinear Elastic Materials
Examples of nonlinear elastic material models: Ramberg-Osgood, Duncan-Chang, Hardin-Drnevich, Power law, and more. We discuss how to apply nonlinear elastic materials in your analyses.
Geometry Modeling in Simulation Apps
See how to use cumulative selections and geometry parts when creating simulation apps that can be used to model geometries based on parameterized CAD models.
Bringing Multiphysics into Architecture
From the Sydney Opera House in Australia to the Vdara® hotel in Las Vegas, we discuss the potential applications of simulation for architectural development and introduce LiveLink™ for Revit®.
Implementing the Weak Form in COMSOL Multiphysics
In Part 2 of our series on the weak form equations, we demonstrate how to implement and solve these equations numerically using COMSOL Multiphysics®.
Detecting Dark Matter Axions with a Microwave Cavity
The Axion Dark Matter eXperiment (ADMX) uses a microwave cavity in an attempt to detect dark matter axions. Learn more about this project and how simulation can be applied to it.
Computing View Factors with the Heat Transfer Module
Interested in computing geometrical view factors in COMSOL®? There are operators for postprocessing that correspond to the operators used to generate surface-to-surface equations. Learn more.