General Blog Posts
Introducing COMSOL® Software Version 5.3a
COMSOL Multiphysics® and COMSOL Server™ version 5.3a include updates to both the core functionality and add-on modules, including the Cividis color table and extended copy-paste capabilities.
What Happens If I Use 2 Different Unit Systems in 1 Simulation?
Using 2 different unit systems for 1 project has led to historical disasters. Fortunately, you can use different unit systems in your simulation without issues by using the COMSOL® software.
How to Model Optical Anisotropic Media with COMSOL Multiphysics®
Erasmus Bartholinus first observed the optical effect of birefringence in 1669. Today, you can observe this effect with a specialized modeling approach for optical anisotropic media.
Multiparameter Optimization with a Least-Squares Objective
Learn how to estimate parameters using multiparameter optimization, which will automatically adjust your model based on an underlying data file of experimental parameters.
Optimizing the Geometry of Optical Antennas with Genetic Algorithms
What does antenna design have to do with the concept of natural selection? Although it may sound far-fetched, the basic principles of natural selection can be used to optimize antenna geometries.
Finding the Ideal Thickness for the Insulation of a Pipeline
Pipelines need to be properly insulated in order to transport products like petroleum and natural gas across long distances. Use COMSOL® to find the ideal thickness for a pipeline insulation.
The Optimal Workflow for Complex Modeling Projects on a Deadline
You’re working on a complex modeling project under a tight deadline, and your computation is taking a long time to solve. You can breathe easier by using this optimized workflow for such scenarios.
How to Create Electrostatics Models with Wires, Surfaces, and Solids
Here’s a guide to building models that combine wires, surfaces, and solids using the electrostatics features based on the boundary element method that are available with the AC/DC Module.
Streamlining the Design of Frequency-Selective Surfaces
If you want to improve the frequency response of a frequency-selective surface, you have many options for methods. 1 method streamlines what can be a complex process: simulation applications.
How to Create Graphs with Two Y-Axes in COMSOL Multiphysics®
Did you know that you can add a second y-axis to a 1D plot to include two scales of values in your simulation results? This blog post details how and also includes a video demonstration.
Introduction to Designing Microwave Circuits Using EM Simulation
When it comes to designing RF, microwave, and millimeter-wave circuits with electromagnetics simulation, the key is to start simple and gradually add complexity to your analyses.
Introduction to Modeling Surface Reactions in COMSOL Multiphysics®
Bioengineers and electrochemists will appreciate this detailed introduction to modeling surface reactions with the COMSOL® software.
Creating a Model Geometry in COMSOL Multiphysics®
Learn how to create a geometry directly within COMSOL Multiphysics® using geometric primitives and geometry operations. Then, watch an introductory video series to see each step in detail.
How to Automate Physics Choices and Studies Using Model Methods
The ability to create and use methods in COMSOL Multiphysics® is useful for automating your modeling processes, such as choosing physics and studies.
How to Use Model Methods to Accelerate Your COMSOL® Workflow
Methods aren’t just for enhancing simulation applications built in the Application Builder. In fact, you can create methods to streamline and automate repetitive modeling operations.
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.