Latest Posts
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.
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.