The latest release of COMSOL® brings powerful modelling tools

Written by: COMSOL Ltd | Published:

Version 5.3 provides simulation specialists with notable performance improvements and powerful app design and deployment capabilities with new modelling and development tools, solvers, and user-driven features. Learn about the latest version of the COMSOL Multiphysics® and COMSOL Server™ simulation software here.

“Version 5.3 is a result of our continued focus on delivering highly capable mathematical modelling tools. Our users will find great value in new solvers, the new physics interfaces, and the many enhancements throughout COMSOL software, from model creation to deployment of apps”, comments Svante Littmarck, President and CEO, COMSOL, Inc.

With version 5.3 the boundary element method (BEM) is available for modelling electrostatics and corrosion effects. “This means that users can easily combine boundary element and finite element methods for greater flexibility in their multiphysics simulations”, continues Littmarck. The Boundary Element method enables users to simulate models with infinite domains and voids, as well as to quickly set up simulations that combine wires, beams, surfaces, and solids in the same model. Typical uses for this functionality include the modelling of electrical cathodic protection, cables, or capacitive sensors.

Users handling large CFD models will benefit from the new algebraic multigrid (AMG) solver implemented in version 5.3. The AMG solver requires only a single mesh level and is now the default option for many fluid flow and transport phenomena interfaces. Users modelling turbulent flows can benefit from more robust computations with the automatic treatment of walls. This feature blends high-fidelity low-Reynolds formulation with wall functions.

A Powerful Suite of Development Tools for Increased Productivity
The Model Builder now more rapidly handles geometry and mesh operations for models with large arrays and complicated solid operations in 3D. Users working with models and geometry requiring the use of several element types will benefit from the automatic generation of pyramidal elements to handle the transition between swept, hexahedral, prismatic, and tetrahedral meshes. A new option for automatic geometry defeaturing through virtual geometry operations is now available to users. “We continue to see improved performance for large models across the board. This is not only about solution time but also how the software handles large models in the user interface, including geometry and mesh”, comments Bjorn Sjodin, VP of Product Management, COMSOL, Inc.

With the introduction of model methods in version 5.3, it is easy to automate repetitive operations directly in the Model Builder. ”You can now simply record a set of operations, like a macro, and use the resulting method while setting up or solving a model. This is an important usability feature with many possible applications. For example, you can create a reusable model method that generates a complicated array of geometric objects to expand on the standard functionality of the Model Builder”, continues Sjodin.

The Application Libraries feature more than 50 new and updated tutorial models, allowing users to quickly adopt new features, tools, and modelling techniques. The tutorials span several areas, from permanent magnet motors, cables, and horn antennas, to supersonic flows, electronics cooling, and vibration and noise in a gearbox.


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