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Question about equaton 17 in FEM section of Multiphysics Cyclopedia

Posted Jan 1, 2019, 5:31 p.m. EST General, Introduction 1 Reply

Yelena Bagdasarova
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Hi, I'm confused about Eq 17 of the FEM section of the cyclopedia: https://www.comsol.com/multiphysics/finite-element-method

It seems to me the sum does not belong in the last term of eq 17 (going from eq 15). Anyone confer?

1 Reply Last Post Jan 2, 2019, 9:13 a.m. EST
Ed Fontes COMSOL Employee

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Posted: 6 years ago Jan 2, 2019, 9:13 a.m. EST

Hi Yelena,

This is actually correct since g is a function of T, i.e. g(T). You can see this clearer if you follow the trail from equations 3, 5, 8, and 10. I hope this makes things clearer.

Best regards, Ed

Hi Yelena, This is actually correct since g is a function of T, i.e. g(T). You can see this clearer if you follow the trail from equations 3, 5, 8, and 10. I hope this makes things clearer. Best regards, Ed

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