Plasma Physics Blog Posts
Modeling Spatial Plasma with Deep Neural Network Surrogates
This blog post introduces a deep neural network surrogate model trained on Boltzmann equation solutions as an efficient method for modeling spatial plasma.
Introduction to Modeling Plasma Chemistry in COMSOL Multiphysics®
Here’s your introduction to setting up plasma chemistry models. Topics discussed include transport coefficients, surface reactions, and much more.
The Boltzmann Equation, Two-Term Approximation Interface
When modeling plasma, you sometimes want to define the electron transport properties as a function of the electron energy. The Boltzmann Equation, Two-Term Approximation interface does just that.
Micromagnetic Simulation with COMSOL Multiphysics®
A guest blogger from Fudan University in China used the Physics Builder in COMSOL Multiphysics to create a “Micromagnetics Module” for performing micromagnetic simulations.
How to Analyze Turbomolecular Pumps with COMSOL Multiphysics®
Modeling gas flow in a turbomolecular pump calls for specialized numerical methods, because at such low pressures, the gas molecules rarely collide with each other.
Computational Electromagnetics Modeling: Which Module to Use?
If you work with a particular electromagnetic device or application area, you might be wondering which module in the COMSOL product suite is right for you. Keep reading for a comprehensive intro.
Global Modeling of a Non-Maxwellian Discharge in COMSOL®
Keep reading for a demonstration of how to model a non-Maxwellian discharge with the Boltzmann equation in the two-term approximation using COMSOL Multiphysics®.
A Multilevel Approach to Modeling Planar Discharge in CO2 Lasers
Check out the multilevel approach to plasma modeling used by a researcher in the laser industry, who used the flexibility and functionality of COMSOL Multiphysics® to optimize a gas laser design.
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.
Control Current and Voltage Sources with the AC/DC Module
Did you know that you can use the Terminal boundary condition to dynamically switch between excitation types during a transient simulation? This is useful for modeling power supply, for example.
Thermodynamic Equilibrium of Plasmas
Are you interested in modeling plasmas with the COMSOL® software? Get an overview of the different plasma types and when to use each of the interfaces available in the Plasma Module.
Ion Temperature in Inductively Coupled Plasmas (ICPs)
When modeling plasmas, your choice of ion temperature can affect your model results. We discuss the theoretical reasons behind this phenomenon using an inductively coupled plasma example.
