COMSOL Multiphysics

r/COMSOL is a subreddit for discussion surrounding the Physics Simulation software COMSOL Multiphysics and other COMSOL products such as COMSOL Server and COMSOL Compiler.

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Moving from One-Way Coupling to Two way coupling Measuring Real Rotor Deflection

Posted 11th Feb 2026u/Zealousideal-Fun7985

COMSOL Arkkio torque ripple disappears when using Global Evaluation — how to extract raw ripple?

Posted 9th Feb 2026u/Zealousideal-Fun7985

Maxwell stress tensor from Magnetic field physics is coming accurate but its derivative showing zero

Posted 9th Feb 2026u/booscoo

Heat Flux decreasing even after increasing the thermal conductivity

Posted 9th Feb 2026u/booscoo

COMSOL Rotating Magnetic Machinery: How to partially constrain rotor for two-way EM–structure coupling (secondary deformation)? MO

Posted 31st Jan 2026u/Zealousideal-Fun7985

Comsol data export unreliable

Posted 29th Jan 2026u/No-Connection-6315

COMSOL Plasma Simulation Help

Posted 29th Jan 2026u/Fluffy_Nectarine9765

COMSOL 6.4 – Where is Vector Transform? Has it been removed?

Posted 29th Jan 2026u/Zealousideal-Fun7985

How to do post-processing in Comsol the same way as in Fluent/CFX-post?

Posted 27th Jan 2026u/Delaunay-B-N

How to plot air-gap radial flux density vs mechanical angle (0–360°) instead of arc length?

Posted 26th Jan 2026u/Zealousideal-Fun7985

COMSOL 2D Generator (Rotating Machinery, Magnetic + Solid Mechanics): Why Doesn’t Increasing Winding Turns Change Arkkio Torque?

Posted 23rd Jan 2026u/Zealousideal-Fun7985

Need to do this in Comsol

Posted 22nd Jan 2026Deleted user

How to call two piecewise functions inside an analytical function over a changing range of time?

Posted 20th Jan 2026u/Austien72

3D visuals not working properly

Posted 16th Jan 2026u/NeosFlatReflection

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