General Blog Posts

How to Export (and Share) Your 3D Result Plots as glTF™ Files
Wow your project stakeholders by sharing your 3D COMSOL Multiphysics® results as glTF™ files. We show you how to export plots and share them in third-party graphics viewers.

How to Activate Material in Simulations of Manufacturing Processes
Do you model manufacturing processes such as welding or additive manufacturing? You can activate or deactivate a material in a material deposition simulation using specialized functionality.

Course: Defining Multiphysics Models
There are 3 approaches to setting up a multiphysics model in the COMSOL® software: Fully automatic, manual with predefined couplings, and manual with user-defined couplings. Here, we discuss #1.

3 Approaches to Modeling Moving Loads and Constraints in COMSOL®
Learn 3 ways to model moving loads and constraints in COMSOL Multiphysics®: using variables, interpolation functions, and paths imported from CAD geometries.

Nonstandard Constraints and the Power of Weak Contributions
For a flexible and physics-independent way to extend the applicability of the COMSOL Multiphysics® software, you can implement nonstandard constraints using the so-called weak contributions.

Introducing COMSOL Multiphysics® Version 5.4
COMSOL Multiphysics® version 5.4 includes a variety of updated features and functionality as well as 2 exciting new add-on products: the Composite Materials Module and COMSOL Compiler™.

How to Implement the Weak Form for Time-Dependent Equations
Here’s a comprehensive equation-based modeling guide on how to implement the weak form for time-dependent equations, including theoretical background and step-by-step instructions.

Image Denoising and Other Multidimensional Variational Problems
Learn how to solve variational problems featuring multiple dimensions, higher-order derivatives, and multiple unknowns with a fun example: image denoising in a grainy photograph.