Blog Posts Tagged Technical Content

Electromagnetic Scattering in 2D Axisymmetric Models
You can save computational time and memory by performing electromagnetic scattering in 2D axisymmetric models rather than 3D. Learn more here.

Improving Tabbing Design in Cylindrical Batteries
A major electric vehicle and battery manufacturer announced a new “tabless” design concept for cylindrical lithium-ion batteries. In this blog post, we explore this concept with simulation.

Extracting Specific Contact Resistivity with a Benchmark Model
You can now add contact resistance to metal contacts using the Semiconductor Module. In this blog post, we’ll explore a benchmark model that takes advantage of this new functionality.

Computing and Visualizing Satellite Orbits in COMSOL®
Here, we introduce a new, out-of-this-world tutorial model of a spacecraft in orbit.

Computing and Using Partial Inductance with COMSOL®
COMSOL Multiphysics® version 6.0 brings new functionality for computing total and partial inductances and AC resistances. Get an overview here.

The Boltzmann Equation, Two-Term Approximation Interface
When modeling plasma, you sometimes want to define the electron transport properties as a function of the electron energy. The Boltzmann Equation, Two-Term Approximation interface does just that.

Introduction to Modeling Evaporative Cooling
From meteorology to food processing, evaporation has many industrial and scientific applications. Here, we give an introduction to modeling evaporation with the Heat Transfer Module.

Introduction to Computing Radiative Heat Exchange
Follow along as we continue our discussion on the foundations of radiative heat transfer modeling. (Part 3 of 3)

Axisymmetric Solid Mechanics with a Twist
As of version 6.0, you can easily include circumferential displacements in 2D axisymmetric models using the Solid Mechanics interface. Check out one example here.

Modeling Incident Radiation in Radiative Heat Transfer
Get an introduction to modeling incident radiation on a surface with the Surface-to-Surface Radiation interface in the Heat Transfer Module. (Part 2 of 3)

Modeling Emissivity in Radiative Heat Transfer
In Part 1 of a blog series on modeling radiative heat transfer, we discuss the concept of surface emissivity.

A Practical Sedimentation App for Toxicology Analysis
Sedimentation is widely used in toxicology, biochemistry, and biomedicine. You can study how gravity affects this physical phenomenon with simulation.

How to Compute the Projected Area of a CAD File in COMSOL®
Learn about three approaches to computing the projected area of a CAD file and when to use each one.

How Long Does It Take an Engineer to Turn on a Light Bulb?
Misconception about electricity: Electrons carry the energy in an electrical circuit. Today, we investigate this theory with simulation.

Predicting the Effects of Induction Heating with Simulation
What is induction heating? What are the benefits of it? Can it be simulated with COMSOL Multiphysics? Keep reading to find out…

Modeling the Permeability of Composite Reinforcement Materials
Here, we go over how to model the permeability constant of an idealized composite reinforcement material.

Why Do Road and Mountain Bikes Have Different Spoke Patterns?
Why do some bicycle rims come with warnings? Why do some bicyclists prefer rim brakes? To find answers, we model the forces in a bicycle rim for different brake types and spoke lacing patterns.

Why Do Golf Balls Have Dimples?
Why do golf balls have dimples? Can I model a golf ball with COMSOL Multiphysics? Can I use simulation to optimize my shot and make a par? Find answers to these questions and more…

Designing the Sound Absorption of Microlattice Structures
Using numerical simulation, you can design microlattice structures with sound-absorbing properties, and then print them via additive manufacturing without traditional manufacturing constraints.

Micromagnetic Simulation with COMSOL Multiphysics®
A guest blogger from Fudan University in China used the Physics Builder in COMSOL Multiphysics to create a “Micromagnetics Module” for performing micromagnetic simulations.

Computing Loss, Temperature, and Efficiency in Electric Motors
Follow along as we investigate the variation of iron and copper losses, the resulting temperature rise, and its effect on the efficiency of a permanent magnet machine.

Wrapping and Warping Geometries for Analysis in COMSOL®
CAD parts are typically designed in an undeformed, as-manufactured state. When it comes to analysis, however, we are only interested in the deformed, as-assembled state.

Simulating the Pressure in an Ultrahigh Vacuum System
The ETpathfinder research facility in the Netherlands was built in anticipation of the proposed Einstein Telescope (ET), a third-generation observatory of gravitational waves.

How to Model Metabolic Reaction Networks with COMSOL®
Certain ice creams, puddings, and candies have an extremely vivid yellow color that comes from vitamin B2. The manufacturing of this supplement is one example of a metabolic reaction network…