Major News in COMSOL® Software Version 5.3a


You will find a summary of the major news in COMSOL® software version 5.3a below. Browse the menu to the left for more details on core functionality and specific add-on products. If you want the newest COMSOL Multiphysics® features right away, click on the Download Version 5.3a button to access the Product Download page. Then simply log into your COMSOL Access account (with your license number linked to it) and follow the onscreen product download directions.

Free Webinar: Introducing COMSOL Multiphysics® and COMSOL Server™ 5.3a

General Updates

  • Support for 3Dconnexion® SpaceMouse® devices for easier model navigation
  • A new color table, Cividis, optimized for people with color vision deficiency
    • Cividis was created by Ryan Renslow, Chris Anderton, and Jamie Nuñez of the Pacific Northwest National Laboratory (PNNL)
  • Option to save plots in models for faster rendering
  • Option to export animations in the WebM video format
  • Parametric models with user-defined functions
  • Model reduction based on modal analysis and asymptotic waveform evaluation (AWE)
  • Copy-paste functionality for physics interfaces or entire model components, within and in between COMSOL Multiphysics® sessions
  • Model methods in the model tree with input arguments
  • Automatic login to COMSOL Server™


  • A revolutionary new method for capacitively coupled plasma (CCP) simulations that significantly reduces computation times
  • Hybrid boundary-element–finite-element method (BEM-FEM) for magnetic field analysis
  • Material model for soft permanent magnets, to model permanent magnet (PM) motors, for instance
  • Adaptive frequency sweep for high-frequency electromagnetics
  • Library of more than 60 RF and microwave substrate materials from Rogers Corporation

Structural Mechanics and Acoustics

  • New Structural Mechanics Modeling Features in COMSOL® 5.3a Webinar Dec 21 [2 p.m. CET] [2 p.m. EDT]
  • New Acoustics Module Features in COMSOL® 5.3a Webinar Jan 11 [2 p.m. CET] [2 p.m. EDT]
  • Hybrid boundary-element–finite-element method (BEM-FEM) for acoustics and acoustic-structure interactions
  • Impulse response analysis for ray acoustics
  • Shape memory alloy (SMA) material models
  • Generalized fluid-structure interaction (FSI) interface with access to additional material models
  • Bolt thread contact modeling
  • Solid-beam connection in 3D models
  • Generalized plane strain formulation
  • Cam-Follower condition for multibody dynamics
  • Lumped Mechanical System interface for equivalent circuit models based on masses, dampers, and springs
  • Ball and roller bearings for rotordynamics simulations

Fluid Flow and Heat Transfer

  • Inlet boundary conditions for fully developed turbulent flow
  • Realizable k-ε turbulence model
  • Buoyancy-driven turbulence
  • All turbulence models now available for multiphase flow
  • Rotating machinery interfaces now available for all flow interfaces
  • New Moisture Flow multiphysics coupling interface couples CFD and Moisture Transport in Air interfaces automatically
  • Inlets with more realistic temperature distribution based on upstream temperature and pressure
  • Beer-Lambert law for absorption of light in weakly absorbing media


  • A built-in library of thermodynamic properties for calculating physical properties of pure fluids, mixtures, and two-phase fluid systems
  • Link between Reaction Engineering interface and thermodynamic property packages
  • Electrode reactions on thin electrode surfaces fully immersed in electrolyte
  • New Lithium-Ion Battery Designer app for optimizing batteries for specific applications

Core Expansions and Interfacing

  • 150+ new materials with 800+ new material properties added to the Material Library, including new types of thermoplastics, hot-work tool steel, plastic mold steel, and more
  • New and updated busbar tutorials for all LiveLink™ products for CAD
  • A new Living Room Acoustics tutorial for LiveLink™ for Revit®
  • A Microsoft® Excel® spreadsheet software button to export 1D plots more easily from the COMSOL Multiphysics® software
  • New and improved wrapper functions for LiveLink™ for MATLAB®

COMSOL, COMSOL Multiphysics, LiveLink, and COMSOL Server are either registered trademarks or trademarks of COMSOL AB. MATLAB is a registered trademark of The MathWorks, Inc. Microsoft and Excel are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. 3DCONNEXION and SPACEMOUSE are registered trademarks of Société Civile "GALILEO 2011". COMSOL AB and its subsidiaries and products are not affiliated with, endorsed by, sponsored by, or supported by these trademark owners.