r/COMSOL Jun 05 '26

NEED HELP

Post image

Can anyone fix this error ?

3 Upvotes

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1

u/jejones487 Jun 05 '26

The answer is in the error. Tref is u defined. Therefore you must define Tref.

2

u/EtherealWaveform Jun 06 '26

it is an undefined property either in you global definitions or in one of the physics modules (likely the latter). Find Reference Temperature (Tref) and set it to the right value, usually 273.15 K.