Blog Posts Tagged Technical Content
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®.
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®.
Minimize Your Model File Size with Storing Solution Techniques
Get a demonstration of some tools and techniques for storing selected output quantities in COMSOL Multiphysics®, as well as minimizing model file sizes and the time required to display data.
How to Reuse a Deformed Shape as a Geometry Input
Let’s say you deform a shape in your model (say, by applying a mechanical load to a thin piece of metal) and want to use this deformed object as part of a new geometry construction. How?
