Latest Posts
MIT’s PSFC Designs a Tokamak to Survive Plasma Disruptions
A group of engineers at MIT’s Plasma Science Fusion Center (PSFC) used multiphysics simulation to address a key challenge in tokamak design: instability due to plasma disruptions.
Photos from the COMSOL Conference 2016 Boston
Browse some of our favorite photos from the COMSOL Conference 2016 Boston. Can you spot a plate full of cannolis, a red fire hydrant, and fall foliage?
Top Papers and Posters from the COMSOL Conference 2016 Boston
100+ engineers and researchers presented their work at the COMSOL Conference 2016 Boston. Read about the top papers and posters here.
How to Model Large-Strain Viscoelasticity in COMSOL Multiphysics®
Learn how to model large-strain viscoelastic deformation, a common behavior exhibited by polymers and biological tissues, in COMSOL Multiphysics®.
Analyze a Mixer’s Design Elements with COMSOL Multiphysics®
Industrial mixers are used in the production of food, pharmaceuticals, and plastic. You can design a mixer geometry to fit your specific use case with simulation…
Understand the Dynamics of the FitzHugh-Nagumo Model with an App
In 1961, R. Fitzhugh and J. Nagumo proposed a model for emulating the current signal observed in a living organism’s excitable cells. This became known as the FitzHugh–Nagumo model.
Integrals with Moving Limits and Solving Integro-Differential Equations
Learn how to analyze spatial integrals over variable limits, whether they are prescribed explicitly or defined implicitly. (Part 2 of 2)
Guidelines for Equation-Based Modeling in Axisymmetric Components
Here’s your comprehensive guide to equation-based modeling for problems with cylindrical coordinates and axisymmetric components.
Model Methane HCCI Combustion to Optimize Engine Ignition Control
Environmental demands have sparked an interest in finding an alternative to traditional spark- and compression-ignition engines. One of the suggested alternatives is HCCI engines.
Efficiently Calculating the Acoustic Transfer Impedance of a Perforate
Learn how to efficiently calculate the acoustic transfer impedance of a perforate in COMSOL Multiphysics®. (Hint: It involves applying a semitransparent boundary to the model.)
Soft Robotics Enables Flexible Robot Designs to Take Shape
Fun fact: Insects and ocean-dwelling creatures often inspire researchers’ soft robot designs. Read about 3 examples here.
Improved Capabilities for Meshing with Tetrahedral Elements
In this blog post, we guide you through the process of generating a tetrahedral mesh for your COMSOL Multiphysics® models.
Reduce the Fan Noise of a Turbofan Aeroengine with Simulation
Noisy turbofan engines are often used to power commercial airplanes. You can reduce their noise pollution with the help of acoustics modeling…
Sampling from Phase Space Distributions in 3D Charged Particle Beams
Learn how to sample the initial positions and velocities of 3D beam particles from the transverse phase space distribution. Part 3 of a series on modeling charged particle beams.
Understanding the Paraxial Gaussian Beam Formula
The paraxial Gaussian beam formula can be used to describe the Gaussian beam. We go over the theory behind this mathematical formula, as well as its limitations.
Efficiently Assign Materials in Your COMSOL Multiphysics® Model
Here, we go over 3 methods for efficiently assigning materials in your COMSOL Multiphysics® models. The included tutorial videos show step-by-step instructions for each related feature.
Phase Space Distributions and Emittance in 2D Charged Particle Beams
We discuss the concepts of phase space and emittance as they apply to the release of ions or electrons in beams. Part 2 of a series on phase space distributions in beam physics.
Sampling Random Numbers from Probability Distribution Functions
Get a comprehensive background on probability distribution functions and the different ways you can sample random numbers from them in COMSOL Multiphysics®. Part 1 of a series on beam physics.
Improved Functionality and Tips for Importing STL and NASTRAN® Files
Learn how to import STL files originating from 3D scan sources and meshes in the NASTRAN® file format, as well as how to prepare them for analysis in COMSOL Multiphysics®.
Applying a Hybrid Approach to Fracture Flux Conservation
A guest blogger from Boffin Solutions, LLC, a COMSOL Certified Consultant, discusses using a hybrid approach to calculate fracture flux in thin structures with the COMSOL® software.
Study the Design of a Polarizing Beam Splitter with an App
Creating a numerical modeling app offers you a more efficient approach to analyzing and optimizing the design of optical devices. See an example of a polarizing beam splitter design app here.
New Reacting Flow Multiphysics Interface Delivers Greater Flexibility
Get an introduction to the Reacting Flow interface, which can be used to simulate fluid flow and reactions in gases and liquids in COMSOL Multiphysics®.
Rotordynamics Fosters the Design of Reliable Rotating Machines
Rotating machinery is an important element in many structures. The analysis of rotating machinery, rotordynamics, can help engineers reduce noise and vibrations in many areas of technology.
Benchmark Shows Valid Results for a Piezoelectric Transducer Design
We walk you through the Composite Piezoelectric Transducer tutorial model: a benchmark model for ultrasonic transducer simulation and good starting point for simulations of SAW and BAW filters.