Latest Posts
How to Model Sparging in COMSOL Multiphysics®
Sparging, the process of bubbling a gas into a liquid, is seen most notably in carbonation, such as for soda and seltzer water. This mass transfer process can be modeled in COMSOL Multiphysics®.
Examining Vibration in a Lumped Model of the Human Body
Engineers working to reduce the effects of whole body vibration (WBV) in transportation methods can analyze their systems and designs using a lumped model of the human body.
How to Place Inlet and Outlet Boundary Conditions in CFD Simulations
When setting up fluid flow simulations, at what distance can we apply boundary conditions without interfering with the process? Here, we discuss how to place inlet and outlet boundary conditions.
How Do Chladni Plates Make It Possible to Visualize Sound?
Is it possible to see sound? Find out for yourself in this blog post on the acoustics behind Chladni plates.
Calculating the Spectral Properties of an Optical Ring Resonator
The effect of a “whispering gallery” can be observed (a similar way) in another field of science entirely: light waves traveling in an optical ring resonator.
Happy Birthday, Sir George Gabriel Stokes
Read about the life, work, and research of the physicist behind the famous fluid dynamics equation: Sir George Gabriel Stokes.
Studying the Program and Erase Cycle of an EEPROM Device
Using the Semiconductor Module, you can study the program and erase cycles of an electrically erasable programmable read-only memory (EEPROM) device.
Happy Birthday, Paul Dirac
Paul Dirac, a British physicist, sought to theorize physical concepts were not able to be explained in words, eventually laying the foundations for quantum theory as we know it today.
Examining Heat Transfer in a Friction Stir Welding Process
Friction stir welding (FSW) is an efficient, cost effective, and environmentally friendly process that can be optimized by studying the heat transfer involved via modeling.
Happy Birthday, George de Hevesy
George de Hevesy is known for expanding the uses for X-ray florescence and radioactive isotopes, as well as discovering the chemical element hafnium.
Describing Viscoelastic Behavior with an Oldroyd-B Benchmark
The Oldroyd-B model is used to define viscoelastic behavior in fluids such as clay, toothpaste, and oil. We present a benchmark model for a fluid with viscoelastic behavior under strain.
CFD Benchmark: Examining Fluid Flow in a Transonic Diffuser
You can analyze the fluid flow in a transonic diffuser using CFD simulation. Get details in this blog post featuring a benchmark model based on research by M. Sajben et al.
Happy Birthday, Rosalind Franklin
Rosalind Franklin, an accomplished chemist and X-ray crystallographer, conducted research that changed how we understand DNA and virology.
Analyzing a Loudspeaker Array with a Bessel Panel Benchmark Model
Engineers can design optimized loudspeaker arrays and other acoustics systems by analyzing a benchmark model of a Bessel panel system like the one featured in this blog post.
Predicting the Stability of Rotor Systems with the COMSOL® Software
Instability in a rotor system can lead to catastrophic failure. Fortunately, engineers can predict the stability of rotor systems by performing stability analyses with the Rotordynamics Module.
Happy Birthday, Hendrik Lorentz
Hendrik Lorentz won the Nobel Prize for his work in electron theory, but that only one of the many contributions he made to theoretical physics, electromagnetism, and optics.
How to Analyze a Glacier via Gradient-Based Optimization
This post highlights a gradient-based optimization method that geophysical engineers can use to analyze, for instance, the movement and sensitivity of a glacier.
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.