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Discontinuity in Solid Thermal Coupling Model

Posted Oct 11, 2019, 5:53 a.m. EDT Structural & Acoustics Version 5.0 2 Replies

Mridul
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I ran a Solid Thermal Coupling Problem. The Model is shown in (Attatchment 1). There is theree solid region of different thermal properties. In Temperature (Attachment 2) and Displacement (Attachment 3) Curve it is running ok. But a discontinuity appears at stess (Attachment 5) or strain curve (Attachment 4).

Can anyone please help me to solve this problem.

Best Regards Mridul

2 Replies Last Post Oct 11, 2019, 7:45 a.m. EDT
Henrik Sönnerlind COMSOL Employee

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Posted: 5 years ago Oct 11, 2019, 6:59 a.m. EDT

Hi,

This is inherent in the finite element method. The degrees of freedom are continuous. Gradients are only continous within elements, but not over element borders.

Regards,
Henrik

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Henrik Sönnerlind
COMSOL
Hi, This is inherent in the finite element method. The degrees of freedom are continuous. Gradients are only continous within elements, but not over element borders. Regards, Henrik
Mridul
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Posted: 5 years ago Oct 11, 2019, 7:45 a.m. EDT
Updated: 5 years ago Oct 15, 2019, 11:35 p.m. EDT

Thank you very much for your kind response Mr. Sonnerlind. Is there any way to solve this problem.

Thank you very much for your kind response Mr. Sonnerlind. Is there any way to solve this problem.

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