Latest Posts
Protecting Aircraft Composites from Lightning Strike Damage
Some aircraft have a protective coating to mitigate damage from lightning strikes. Boeing used multiphysics simulation to evaluate thermal stress and displacement in this layer.
App: Studying a Concentric Tube Heat Exchanger’s Dimensions
The Concentric Tube Heat Exchanger Dimensioning Tool demo app is an example of what is possible when you build a simplified version of a model and share it throughout your organization.
How to Model Hygroscopic Swelling
Hygroscopic swelling occurs in various sectors of industry, from wood construction and paper to electronics and food processing. Learn how to model this phenomenon in COMSOL Multiphysics®.
Useful Tools for Postprocessing in COMSOL Multiphysics
Layering plots; style inheritance; enabling and disabling grids, axes, and legends; showing mesh plots, and more: We go over some useful tools for postprocessing your simulation results.
Optimizing Heat Sink Designs with a Simulation App
The Heat Sink with Fins demo app is here to get you started with designing your own heat sink design app. Take a look at the design scenario, app, and underlying model here.
Singularities in Finite Element Models: Dealing with Red Spots
Seeing red? Explore common causes of singularities in your finite element models, as well as when and how to remove them and how to interpret your simulation results.
Happy Birthday, Nicolas Léonard Sadi Carnot
Known as the “father of thermodynamics”, Nicolas Léonard Sadi Carnot developed a theoretical thermodynamic cycle and laid the groundwork for the second law of thermodynamics.
Using a Simulation App to Evaluate Fatigue Life in a Frame
The Frame Fatigue Life demo app is an example of how simulation apps can save you time and energy in evaluating the impact of fatigue on a structure. Take a look here >>
Modeling of Materials in Wave Electromagnetics Problems
Get an introduction to the various material models that are relevant to modeling wave electromagnetics problems in COMSOL Multiphysics®.
Modeling an Inductive Position Sensor
A researcher from Lemfoerder Electronic GmbH in Germany used simulation to design an inductive position sensor for automotive applications. Get details here.
Simulating UHV/CVD and Silicon Growth on a Wafer Substrate
Ultrahigh vacuum chemical vapor deposition (UHV/CVD) is performed at pressures below 10-6 Pa, or about 10-8 torr. In this process, molecular flow is used to achieve gas transport.
App: Improving the Payload Capacity of a Truck-Mounted Crane
Manufacturers and engineers looking to optimize the payload, or carrying, capacity of a truck-mounted crane can easily test parameters with a simulation app. Take a look at our demo app example.
Direct FSI Approach to Computing the Acoustic Radiation Force
In a follow-up to a previous blog post, we demonstrate a direct fluid–structure interaction approach for computing the acoustic radiation force in COMSOL Multiphysics®.
Can Models Be Protected by Copyright Law?
Unlike patent law, which requires inventions to be novel and nonobvious, establishing the level of creativity required for copyright protection is relatively easy. But can it apply to your models?
Creating a Wavelength Tunable LED Simulation App
Learn how to turn a model of an LED device into a user-friendly simulation app, which can then be used to assess the impact of different designs on the LED’s emission characteristics.
Modeling Metallic Objects in Wave Electromagnetics Problems
What is a metal, anyway? These materials are highly conductive and very good at reflecting incident electromagnetic waves, including light, microwaves, and radio waves.
Modeling a Stacked Piezoelectric Actuator in a Valve
Piezoelectric valves are energy efficient, durable, and fast. You can model a key component of this device responsible for opening and closing the valve: a stacked piezoelectric actuator.
Sensing the Bio in Biosensor Design with a Simulation App
The Biosensor Design demo app predicts the results from measurements of a biomolecule’s concentration (or activity) from an understanding of this molecule’s attachment to an enzyme.
Simulating Analog-to-Digital Microdroplet Dispensers for LOCs
University of Bridgeport researchers designed a high-throughput microfluidic droplet dispenser as an analog-to-digital microfluidic converter for use in lab-on-a-chip (LOC) applications.
Parallel Universes, Schrödinger, Hawking, Borges, and One Direction
“It would not be beyond the realms of possibility that somewhere outside of our own universe lies another different universe — and in that universe, Zayn is still in One Direction.”
Modeling Thin Dielectric Films in Optics
Interested in modeling optical systems with dielectric films? Get an overview of some of the built-in tools in the Ray Optics Module for these modeling scenarios.
Part 2: Obtaining Material Data for Structural Mechanics from Measurements
Learn how to use nonlinear elastic and elastoplastic materials, as well as a method for using your measured data directly in COMSOL Multiphysics®. Part 2 of a series on hyperelastic materials.
How to Create a Simulation App: Horn Antenna Demo
Get a comprehensive overview of what a simulation app is. We use the Corrugated Circular Horn Antenna Simulator demo app to demonstrate some of apps’ many benefits.
How to Model Rotating Machinery in 3D
There are many different types of electrical machines, but rotating machines like generators and motors play a major role in our modern industrial society. Learn how to model these systems in 3D.