General Blog Posts
How to Build an App from a COMSOL Multiphysics® Model
Get a brief intro to building a simulation app from a COMSOL Multiphysics® model using the Application Builder. Includes a 10-minute step-by-step tutorial video.
App: Measuring the Diffraction Efficiency of a Wire Grating
We go over the features of the Plasmonic Wire Grating Analyzer demo app, which you can use as inspiration to build your own apps for more efficient wave optics and photonics simulation.
Using General Extrusion Operators to Model Periodic Structures
If your multiphysics model includes a periodic solution to one physics and nonperiodic solutions to other physics of interest, you can exploit the periodicity to reduce computational requirements!
Computing Design Sensitivities in COMSOL Multiphysics
You can compute design sensitivities via the core functionality of COMSOL Multiphysics®. We show you how with a parallel plate capacitor example.
Verify Simulations with the Method of Manufactured Solutions
The Method of Manufactured Solutions involves assuming a solution, obtaining source terms, solving the problem, and comparing the results with the assumed solution. Use it to verify your models.
The MTC Builds a Simulation App to Optimize 3D Printing
Engineers at the Manufacturing Technology Centre built a simulation app to efficiently analyze an additive manufacturing technique known as shaped metal deposition. Read the full story…
Student Team Wins R&D Award for Optimizing a Mini Race Car
The winning team of the 2014 Formula 1 in schools competition, an international student car building challenge, used COMSOL Multiphysics® to optimize the topology of their car’s wheels.
Tracking Material Damage with the Previous Solution Operator
We demonstrate how to use the Previous Solution operator to track material damage in your simulation, using an example of “baking off” of a thin coating on a wafer heated by a laser.
Studying Impedance to Analyze the Li-Ion Battery with an App
Check out the Lithium-Ion Battery Impedance demo app, which is an example of how apps can be used to interpret the impedance of specific lithium-ion battery designs — with minimal effort!
Building an IR Microscope App at ZINK Imaging
A guest blogger from ZINK Imaging shows off a simulation app he built from a simple thermal model of an IR microscope. Learn more and see his step-by-step process for creating an app.
Intro to Optimizing Mixer Design by Creating an App
By building a simulation app to study mixer designs, you can easily test the influence that the vessel, impeller, and operational conditions have on the design’s mixing efficiency.
Postprocessing Local Data Using Component Coupling
Derive numerical values. Create new coordinate systems. Link different components in the same model. How can you accomplish all of these tasks? By using Component Coupling operators.
Guide to Frequency Domain Wave Electromagnetics Modeling
Read this blog post for your introduction to the various types of problems that you can solve in the RF and Wave Optics modules with COMSOL Multiphysics®.
Using the Previous Solution Operator in Transient Modeling
Use the Previous Solution operator for time-dependent models in which you want to evaluate quantities at the previous time step when using the default implicit time-stepping algorithm.
Fitting Measured Data to Different Hyperelastic Material Models
Want to fit your experimental data to different hyperelastic material models? You can with the Optimization interface in COMSOL Multiphysics®, which lets you fit a curve to multiple datasets.
Modeling Laser-Material Interactions in COMSOL Multiphysics
When it comes to modeling laser-material interactions and heating, different modeling techniques are appropriate for different problems. We go over a few examples here >>
App: Evaluating the Design of an Ion Implanter
In the semiconductor industry, ion implanters are used to implant dopants into wafers. By building a simulation app, device designers can quickly and easily test a wide range of parameters.
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.
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.
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 >>
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.
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.
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.