General Blog Posts
How to Generate Randomized Inhomogeneous Material Data
Did you know there is a way to take randomized material data with specified statistical properties determined by a spectral density distribution and use it to generate and visualize results?
How to Create a Randomized Geometry Using Model Methods
What does cheese have to do with setting up a COMSOL Multiphysics® model? Here, we use the random holes in a piece of Swiss cheese to demonstrate creating randomized geometries with methods.
How to Generate Random Surfaces in COMSOL Multiphysics®
Get a comprehensive background and step-by-step guide to generating random surfaces in COMSOL Multiphysics®, such as rough surfaces and microstructures.
Computing the Band Gap in Superlattices with the Schrödinger Equation
You can easily compute the effective band gap for a superlattice structure by using a predefined Schrödinger Equation interface and building a simulation application.
Efficiently Optimizing Solar Dish Receiver Designs
By building a simulation application of a solar dish receiver, you can efficiently test different geometries for the dish cavity to determine the optimized shape for your design.
Analyzing Critical Speeds with the Rotor Bearing System Simulator
The critical speed of a rotor is the speed at which the amplitude of the vibration in the system could potentially cause failure. Analyze critical speeds in rotor designs with an application.
How to Add Stop Conditions to Solvers in COMSOL Multiphysics®
Learn how to implement stop conditions for time-dependent and parametric solvers in COMSOL Multiphysics®, as well as scenarios for when and why you should.
Introduction to Modeling Stress Linearization in COMSOL Multiphysics®
Your complete introduction to the theory and process for modeling stress linearization in COMSOL Multiphysics®, as well as an overview of common real-world uses for this phenomenon.
How to Manage Multiple Solutions in COMSOL Multiphysics®
3 ways to manage multiple solutions in COMSOL Multiphysics®: Combine 2 solutions into 1, store the solutions in different data sets, or join the solutions to compare them.
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.
