Solver for nonlinear solid dynamics

[David]

Hello everyone,

we (the preCICE team) are targeting to support a new deal.II solver for preCICE. We want to simulate the probably well known Turek and Hron FSI3 benachmark. Therefore, we would like to use a solver for nonlinear solid dynamics with deal.II , since the deformations are rather large.

This post is intended to collect some ideas before starting: Has anyone already developed such a solver or knows a good starting point?

We have currently a dynamic linear-elastic solid solver and there are of course several tutorial programs dealing with nonlinear static solid mechanics.

Any idea is appreciated!

Best regards,
David

[Wolfgang Bangerth]

> This post is intended to collect some ideas before starting: Has anyone
> already developed such a solver or knows a good starting point?

Have you taken a look at the deal.II Code Gallery?
https://dealii.org/developer/doxygen/deal.II/CodeGallery.html
There are a couple more large-deformation codes.

There is also this article from Thomas Wick about a deal.II-based code for FSI:
https://media.archnumsoft.org/10305/
I believe that the code that goes with the article is freely available as well.

Best
W.

--
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Wolfgang Bangerth email: bang...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/

[Richard Schussnig]

Hi David,

Great to hear that, I am a fan of open-source software development in our field and appreciate the work of the preCICE project!
The tutorial steps you might want to look at are 8,18,24,44,46 & 62; the code gallery also offers quite some interesting codes, among which 

https://dealii.org/developer/doxygen/deal.II/code_gallery_goal_oriented_elastoplasticity.html

and

https://dealii.org/developer/doxygen/deal.II/code_gallery_Quasi_static_Finite_strain_Quasi_incompressible_ViscoElasticity.html

might be of most relevance to you.

The code by T. Wick is available here

http://www.thomaswick.org/gallery_engl.html

You might simplify one of the codes from the code gallery and plug in the element integration routine from the last code to get to 'geometrically nonlinear elasticity'.
I have done some similar things, thus have a bit of code in that direction. If you are interested in working together, just mail me.

Good luck & Kind regards,

Richard 

[David]

Dear Wolfgang and Richard,

thanks a lot for your quick replies!

Have you taken a look at the deal.II Code Gallery?

   https://dealii.org/developer/doxygen/deal.II/CodeGallery.html
There are a couple more large-deformation codes.

Looked once, but obviously not close enough. There are several more appropriate codes I haven't noticed.

 

There is also this article from Thomas Wick about a deal.II-based code for FSI:
   https://media.archnumsoft.org/10305/
I believe that the code that goes with the article is freely available as well.

Very nice!

You might simplify one of the codes from the code gallery and plug in the element integration routine from the last code to get to 'geometrically nonlinear elasticity'.
I have done some similar things, thus have a bit of code in that direction. If you are interested in working together, just mail me.

Good luck & Kind regards,

Richard

I think this is the way to go here. I would like to investigate this idea first of all and get familiar with the codes. Thanks for your kind offer, I will let you know, when it is needed.

Best regards,
David