General Blog Posts

Exploiting Maximum Principles to Save Time and Resources
By exploiting maximum principles in large and complex models, you will save time and computational resources without having to buy a bigger computer or leave your model to solve overnight.

How to Use the Find and Auto Completion Tools for Faster Model Setup
Looking for a way to set up your models faster? 1 approach is by using the Find and Auto Complete tools. We discuss how to use these tools and demonstrate in an embedded tutorial video.

How to Optimize the Spacing of Electromagnetic Coils
Did you know that you can maximize the magnetic field strength of your electromagnetic coil designs by optimizing the spacing between the coils?

3 Ways to Optimize the Current in Electromagnetic Coils
We give you 3 ways to optimize the current in electromagnetic coil designs using the AC/DC Module and Optimization Module, add-on products to COMSOL Multiphysics®.

How to Postprocess Fields over Arbitrary Geometries
Check out this useful modeling trick: You can query the results of your model within an arbitrary geometric subregion by implementing an integration during postprocessing.

How to Analyze Thermoelectric Cooler Designs with a COMSOL App
A simulation application, such as one for a thermoelectric cooler design, can be used to test a variety of parameters in order to optimize a device for a specific use.

How to Compute Distances Between Objects in COMSOL Multiphysics®
Compute the distance between two deforming objects in the COMSOL Multiphysics® software. Here’s how…

How to Analyze Beam Sections Using the Beam Section Calculator
Simulation applications can be used as utility tools to compute the properties and parameters of a component or device. In this example, the application analyzes beam section geometries.

How to Implement the Fourier Transformation from Computed Solutions
In this wave optics demonstration, learn how to implement the Fourier transformation for computed solutions, using the example of an electromagnetic simulation of a Fresnel lens.

Solving Shallow Water Equations with Equation-Based Modeling
Shallow water equations are an example of equation-based modeling. You can define expressions in COMSOL Multiphysics® to solve a shallow water equation for coastal erosion analyses.

Electrochemical Impedance Spectroscopy: Experiment, Model, and App
Experience the phenomenon of electrochemical impedance spectroscopy (EIS) in 3 ways: experiment, model, and simulation application.

Efficiently Verify Electric Fields Outside Electrical Installations with Apps
Electrical installations are required to have their surrounding electric fields fall within certain levels. A simulation application can be used to verify measurements and adhere to standards.

How and When to Open Recovery Files in COMSOL Multiphysics®
If, by chance, the software shuts down before your simulation converges, just use the Open Recovery File feature to pick up where you left off and find your model’s solution.

Generate Custom Magnetic Prospecting Analyses by Designing an App
Magnetic prospecting is a technique that can be used to find valuable iron ore deposits. Using a simulation application, you can evaluate magnetic prospecting processes with customized analyses.

Keynote Video: Locating Leaks in Pipe Networks with a Simulation App
Sebastien Perrier of Echologics discusses a simulation application used to locate leaks in underground pipe networks in his keynote presentation at the COMSOL Conference 2016 Boston.

Introduction to Multiscale Modeling in High-Frequency Electromagnetics
Here’s an introduction to performing multiscale analyses of antennas and communication systems. Part 1 of a series on multiscale modeling in high-frequency electromagnetics.

Using the Help Tools in COMSOL Multiphysics® for Modeling Guidance
Within the COMSOL Multiphysics® software, you have access to Help tools to guide you along your modeling process, including the Help, Documentation, and Application Libraries windows.

Designing Inkjet Printheads for Precise Material Deposition
The design of an inkjet printhead nozzle is important in order for the device to have precise material deposition, whether it is used in a 2D or 3D printer.

Introduction to Modeling Natural Convection in COMSOL Multiphysics®
Electronics cooling, indoor climate systems, and environmental transport problems all rely on natural convection. Get an introduction to modeling this phenomenon in COMSOL Multiphysics®.

How to Run Simulations in Batch Mode from the Command Line
Your step-by-step guide to efficiently running COMSOL Multiphysics® simulations in Batch mode from the command line.

Study Contaminant Removal in Membrane Dialysis Devices with an App
We discuss treating renal failure with hemodialysis, analyzing contaminant concentration in a membrane dialysis device, and optimizing a membrane dialysis device with a numerical modeling app.

Multiphysics Simulation Is More Accessible with the Application Builder
Simulation experts can design user-friendly, specialized simulation apps with the Application Builder. Read what engineers and professors from around the world have to say about this tool here.

Generating Animations to Visualize Your Simulation Results
Why create animations from your COMSOL Multiphysics® simulation results? We share 4 reasons in this blog post.

Using the Domain Decomposition Solver for Thermoviscous Acoustics
Learn how to use the Domain Decomposition solver, a memory-efficient iterative algorithm with inherent parallelism on the geometric level, in COMSOL Multiphysics®.