Latest Posts

Investigating a Three-Port Ferrite Circulator Design with RF Simulation
Get a quick introduction to microwave circulators and modeling them with the RF Module. The featured example is a three-port ferrite circulator.

Evaluating a Turbocharger Design with Rotordynamics Analysis
Like a “turbocharged” cup of coffee, an actual turbocharger also increases speed, but in the operation of a combustion engine, not how fast your morning cup wakes you up.

Happy Birthday, Jacob Perkins
Jacob Perkins was an American inventor and mechanical engineer. Most notably, he’s responsible for an appliance that we all have in our kitchens: the refrigerator.

Optimizing Thermal Processes in Carbon Manufacturing with Simulation
A guest blogger from SGL Carbon GmbH demonstrates how his organization uses heat transfer simulation to optimize thermal processes in carbon manufacturing.

Modeling a Tubular Reactor for Optimized Polymer Manufacturing
Chemical engineers can model tubular reactors to optimize them for specific manufacturing and production processes, such as for the polymerization of polyester, as this example shows.

Analyzing Cyclic Voltammetry at a Microdisk Electrode with Simulation
What is cyclic voltammetry, and why is it important in the design of microdisk electrodes? We discuss all of this and more in this electrochemical engineering blog post.

Optimizing ISFET Designs with Multiphysics Simulation
Ion-sensitive field-effect transistors (ISFETs) measure pH levels for soil analysis, the production of dairy products, and more. Multiphysics simulation can help us optimize these devices.

How to Provide Structural Stability in Thermal Expansion Simulations
Say you want to compute thermal expansion and stresses in an object, but you don’t know what constraints you need. That’s where the Rigid Motion Suppression feature comes in.

Analyzing Fine Chemical Production in Plate Reactors
Batch reactors, continuous reactors, plate reactors, oh my. Here, we discuss analyzing the fine chemical production process in a plate reactor using chemical modeling.

The Nonparaxial Gaussian Beam Formula for Simulating Wave Optics
Here’s your introduction to the nonparaxial gaussian beam formula, which is used for simulating wave optics problems in COMSOL Multiphysics®.

Analyzing a Centrifugal Pump Design with Frozen Rotor Approximation
Mechanical engineers can analyze the design of centrifugal pumps using the Frozen Rotor Approximation, which is available in the Mixer Module, an add-on to the CFD Module.

Modeling Copper Electrodeposition on a Circuit Board
Copper electrodeposition is used to manufacture PCBs. Here, we discuss modeling the electrodeposition of copper in the trench of a PCB.

Modeling a MOS Capacitor with the Semiconductor Module
MOS capacitors (MOSCAPs) contain 3 main parts: a semiconductor body or substrate, an insulator film, and a metal electrode (or gate). You can use the Semiconductor Module to model MOSCAP designs.

Happy Birthday, Blaise Pascal
Blaise Pascal was a mathematician who wanted to make mathematical calculations easier. His work in projective geometry led to what is now known as Pascal’s theorem.

How to Perform a Nonlinear Distortion Analysis of a Loudspeaker Driver
For a thorough and complete analysis of a loudspeaker driver design, acoustics engineers need to perform nonlinear time-domain studies in addition to frequency-domain studies.

Fueling Up for Autonomous Driving with Optimized Battery Designs
What good are fully autonomous vehicles if they run on fuel? To develop hybrid and electric autonomous vehicles, we need to design efficient and optimized battery management systems.

Your Guide to Meshing Techniques for Efficient CFD Modeling
Learn how to use a variety of meshing tools for your CFD analyses, including mapped mesh, unstructured quad mesh, triangular mesh, tetrahedral mesh, swept mesh, boundary layer mesh, and more.

How to Use the Cluster Sweep Node in COMSOL Multiphysics®
Keep your cluster admin happy by using the Cluster Sweep node in COMSOL Multiphysics® to optimize the parallelization of parametric computations on clusters.

How to Set Up a Mesh in COMSOL Multiphysics® for CFD Analyses
As a flow mechanics specialist preparing a mesh for CFD analysis, the geometry supplied by a CAD team is often exactly what you do not want. So, what do you do?

Happy Birthday, Henry Darcy
Henry Darcy was a civil engineer whose study of fluid dynamics led to the formulation of the equation now known as Darcy’s law. It also helped supply his small town in France with drinking water.

Does It Matter Which Ball the FIFA World Cup™ Teams Practiced With?
In an attempt to determine what type of soccer ball is best to prepare for the FIFA World Cup™, we set up a backyard experiment involving a leaf blower, level, and a few soccer balls.

Optimizing Combustion Particle Control in an Electric Filter Design
To optimize the design of an electrostatic filter, researchers from Switzerland used multiphysics modeling, validating their results by comparing them to experimental data.

How to Create Animations Along the Azimuthal Direction for 3D Models
Here’s a useful postprocessing trick for presenting your 3D modeling results: combine slice plots along the azimuthal direction in order to generate a nontrivial animation.

Terminal Velocity, Drag Coefficients, and FIFA World Cup™ Predictions
Is it possible to predict the winners of the FIFA World Cup™? We forgo consulting a psychic and instead analyze the terminal velocity and drag coefficients of different balls with CFD simulation.