### Coupling problem

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Hi,

I'm trying to solve a coupled problem (elastic waves in a multi domain media). My domain is, for instance, two concentric circles where the inner circle contains a fluid surrounded by a solid. In the solid, linear elastic, part I'd like to use standard P1 elements and in the fluid I'd like to use RT elements, of course with an interface condition (continuity of the normal componentes of the displacement and the velocity).

It is possible to solve this kind of problem using FeniCS? In principle I use conforming meshes for the solid and fluid parts.

Thanks in advance!!

Rodolfo

I'm trying to solve a coupled problem (elastic waves in a multi domain media). My domain is, for instance, two concentric circles where the inner circle contains a fluid surrounded by a solid. In the solid, linear elastic, part I'd like to use standard P1 elements and in the fluid I'd like to use RT elements, of course with an interface condition (continuity of the normal componentes of the displacement and the velocity).

It is possible to solve this kind of problem using FeniCS? In principle I use conforming meshes for the solid and fluid parts.

Thanks in advance!!

Rodolfo

Community: FEniCS Project

Yes, it is possible.

written
10 months ago by
Nate

### 1 Answer

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Thanks for the answer! Are there some examples to follow?

Thanks a lot!!

Rodolfo

Thanks a lot!!

Rodolfo

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