New version 6.3 of COMSOL Multiphysics®: Improved CAD workflows & simulation possibilities

The new COMSOL Multiphysics® version 6.3 Product development on a new level

2024-12-16 By COMSOL Multiphysics®| Translated by AI 2 min Reading Time

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The new version 6.3 of COMSOL Multiphysics® offers designers improved CAD workflows, accelerated computations, and new simulation possibilities for more precise results and more efficient development processes.

Product development on a new level.(Image: COMSOL Multiphysics GmbH) — Product development on a new level.
(Image: COMSOL Multiphysics GmbH)

Product development is becoming increasingly demanding: rising requirements for precision, efficiency, and reliability demand innovative solutions. Version 6.3 of COMSOL Multiphysics® supports designers with a comprehensive simulation package that makes technical challenges simpler and faster to solve.

Automated geometry preparation

The new automatic geometry cleaning ensures simulation-ready CAD models by removing unnecessary details and errors in geometries for the simulation. The result: higher-quality meshes that can be simulated more efficiently. This allows users to focus on modeling instead of having to invest too much time in geometry preparation.

GPU acceleration for fast acoustic simulation

The integration of GPU acceleration allows for up to 25 times faster transient acoustic simulations—a decisive advantage in iterative development processes in areas such as speaker design or noise protection. In addition to acoustic models, GPU support is also available for training deep neural networks for surrogate models, which can thus be created many times faster.

Precision in electrical and mechanical simulations

The new Electric Discharge Module offers powerful capabilities for simulating electrical discharges that occur in high-voltage circuits, lightning protection systems, and switches.

For mechanical applications, functions such as modeling thin-structure electromechanics and simulating moisture-induced swelling have been optimized.

Gallery

The electromechanical boundary coupling in a microphone model enables a simplified modeling setup.(Image: COMSOL Multiphysics GmbH)

A gyroscope that uses the mixed finite element formulation for more accurate calculations of electrostatic forces.(Image: COMSOL Multiphysics GmbH)

A 3D litz wire simulation used to study twisting patterns and validate effective loss models.(Image: COMSOL Multiphysics GmbH)

GPU acceleration enables up to 25 times faster transient acoustic simulations, as shown here for analyzing the acoustics of a large open-plan office.(Image: COMSOL Multiphysics GmbH)

Gallery with 5 images

Precision in electrical and mechanical simulations

The new Electric Discharge Module offers powerful capabilities for simulating electrical discharges that occur in high-voltage circuits, lightning protection systems, and switches.

For mechanical applications, functions such as modeling thin-structure electromechanics and simulating moisture-induced swelling have been optimized.

Expanded electromagnetic and thermal analyses

From modeling laminated iron cores in motors to precise simulation of electrostatic forces in MEMS components, version 6.3 delivers even more reliable results. Combined with optimized thermal analysis tools, this enables more robust designs even under extreme conditions.

User-friendliness and helpful chatbot

The chatbot integration assists with model creation—here for the automated addition of measurement points in the form of a spiral pattern.(Image: COMSOL Multiphysics GmbH) — The chatbot integration assists with model creation—here for the automated addition of measurement points in the form of a spiral pattern.
(Image: COMSOL Multiphysics GmbH)

The revised user interface and the new Java environment with chatbot integration make it easier to access advanced features. This allows users to efficiently define and solve complex physical problems and customize workflows.

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Date: 08.12.2025

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