Latest Posts
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.
Benchmark Model Shows Reliable Results for Inertial Focusing Analysis
Inertial focusing involves the migration of particles through a channel. This benchmark model analyzes particle behavior in an inertial focusing process with validated, reliable results.
How to Model Gearbox Vibration and Noise in COMSOL Multiphysics®
Compute the NVH, an important design consideration for automobiles, industrial machinery, and more, in a gearbox design using multibody analysis. Part 5 of a series on gear modeling.
How to Analyze Eigenfrequencies That Change with Temperature
In certain scenarios, such as in the MEMS field, the eigenfrequencies of a device can change with temperature. Here’s a guide to studying temperature-dependent eigenfrequencies.
Studying the Artificial Ground Freezing Method with Simulation
Artificial ground freezing (AGF) is a valuable process in the construction industry. Researchers from China modeled groundwater flow to optimize an artificial ground freezing (AGF) process.
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 Use the v2-f Turbulence Model in the CFD Module
The v2-f turbulence model is an effective option for simulating highly nonlinear turbulent flow problems with both the accuracy and robustness of other, more limiting methods.
Analyzing the Structural Integrity of an Induction Motor with Simulation
The AC induction motor was invented by either Nikola Tesla or Galileo Ferraris, depending on who you ask. Either way, you can evaluate the structural integrity of this device with simulation.
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.
Capturing Eddy Current Losses in a Permanent Magnet Motor Design
Permanent magnet (PM) motors are becoming more prevalent in transportation due to their energy efficiency. You can study Eddy current losses in a PM motor design with the AC/DC Module.
Modeling a Transient Contact Problem with Stick-Slip Friction Transition
Stick-slip friction transition is a phenomenon relevant to many transient mechanical contact problems. You can use structural analysis to evaluate these effects.
How to Use the New Ray Termination Feature for Geometrical Optics
You can simplify your optical simulations performed with the Ray Optics Module — including model setup and results analysis — with the Ray Termination feature. Read about how to use it here.