- Introduction
- COMSOL Multiphysics
- AC/DC Module
- Acoustics Module
- Batteries and Fuel Cells Module
- CAD Import Module and LiveLink™ Products for CAD
- CFD Module
- Chemical Reaction Engineering Module
- Electrodeposition Module
- Heat Transfer Module
- MEMS Module
- Microfluidics Module
- Particle Tracing Module
- Plasma Module
- RF Module
- Structural Mechanics Module
- LiveLink™ for MATLAB®
New Functionality in Version 4.2a
- Improved performance for the CHEMKIN® import.
- Improved parameter estimation using a new global least squares solver.
- New models:
- Parameter estimation for nonideal reactor models
- Microchannel H-cell
- Stefan tube

