Latest Posts

Which Turbulence Model Should I Choose for My CFD Application?
Modeling turbulence in the COMSOL® software? Find out which turbulence model you should use, depending on your CFD modeling scenario.

Analyzing Laser Beam-Matter Interaction in Selective Laser Melting
Selective laser melting is a common and important process in many types of manufacturing. You can model the interaction between the laser beam and matter for a closer look at this process.

How to Import an ECAD Geometry for Printed Circuit Board Design
We demonstrate how to import an ECAD geometry into COMSOL Multiphysics® for the design of a printed circuit board. The example features an actual PCB geometry from a company in the industry.

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.

Designing a Butler Matrix Beamforming Network with RF Modeling
Check out a tutorial model with implications in developing the 5G mobile network: Butler matrix beamforming networks, which can be combined with phased array antennas for wireless communication.

Why Should I Use Automatic Wall Treatment for My CFD Modeling?
The automatic wall treatment functionality enables you to use low Reynolds number models for a wider range of CFD problems, but there are some factors to consider before implementing the feature.

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?

Improving Vertical-Axis Wind Turbine Efficiency with CFD Simulation
Vertical-axis wind turbines are easier to install and maintain than horizontal-axis devices, but they also have low peak efficiencies and struggle with starting torque. Enter CFD simulation.

How to Analyze Laser Cavity Stability with Multiphysics Ray Tracing
If you’re looking for an in-depth example of multiphysics ray tracing, then check out this blog post about analyzing and predicting laser cavity stability in the COMSOL® software.

How to Model Heat and Moisture Transport in Porous Media with COMSOL®
Modeling the transport of heat and moisture in porous media, like building envelopes and other construction materials, is a simple process with a predefined Heat and Moisture Transport interface.

How Does the Choice of Ray-Tracing Algorithm Affect the Solution?
When performing a high-frequency optics simulation, do you use a sequential, nonsequential, or exact ray tracing algorithm? Learn how to choose to make the most of your solution.

Simulating Powder Compaction with Porous Plasticity Models
Powder compaction is an important and popular technique in many manufacturing industries. You can use porous plasticity models to analyze and improve the powder compaction process.

How to Model Heat and Moisture Transport in Air with COMSOL®
First, we discuss how to model heat transport in moist air. Then, we add complexity by demonstrating how to couple heat and moisture transport in air in your simulation.

Optimizing Microwave Furnaces for Solar-Grade Silicon Production
For silicon to be considered “solar grade”, it has to be 99.9999% pure. Therefore, microwave furnaces used to produce solar-grade silicon need to be optimized for quality and efficient output.

How to Calculate a Capacitance Matrix in COMSOL Multiphysics®
Calculating the capacitance between two conductors is simple, but adding more conductors to the mix (as is the case with touchscreens, transmission lines, and capacitive sensors) adds complexity.

How to Model the Optical Properties of Rough Surfaces
We develop a computational model for calculating the optical properties of rough surfaces, such as incident light on a dielectric material with random variations in height and thickness.

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.

Studying Stress in Threaded Pipe Fitting Designs from CAD Assemblies
Threaded pipes are durable, reliable, and resistant to damage from heat and stress. You can combine a CAD assembly of a threaded pipe with a COMSOL Multiphysics® analysis to study its design.

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.