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I would have to test if doing by restart allows you to change boundary conditions. Otherwise there are conditional boundary conditions Displacement 1 = Real 0.0 Displacement 1 Condition = Real $condx When $condx > 0, the condition is enforced, when $condx < 0, not So perhaps Displacement 1 = Real 0....

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Chapter 3 https://www.nic.funet.fi/pub/sci/physics/elmer/doc/ElmerSolverManual.pdf You have to tell Elmer to save the restart file in the first analysis. I have done this with transient, in 1 solution, have not tried it in restart. In transient I apply the load for x amount of time, then let it go. ...

I do not believe this is the calculation of the eigenvalues of the structure in fluid, which seems to be what your are looking for.

There are three test cases named levelset

https://github.com/ElmerCSC/elmerfem/tr ... /fem/tests

This function returns an error if there is insufficient buffer space. The amount of available buffer space is controlled by the user by using the MPI_Buffer_attach function.

MPI_BUFFER_ATTACH(BUFFER, SIZE, IERROR)
<type> BUFFER(*)
INTEGER SIZE, IERROR

The intent is that the nodes are coincident and you are using conforming to glue them together. They do not have be to coincident but then you need to define the mortar conditions so that the non-conforming mesh nodes can be determined for the mortared boundary. It is not intended to be used as in y...

The best approach is to name everything in gmsh, bodies, and boundaries. The default in gmsh is to only save named entities, if you use names. This gives the most control over what becomes what in elmer. The easiest way to do this is in the gmsh gui. You can name the boundary, select the lines that ...

gmshe.png Your geometry in gmsh is 2d you have a surface and lines in 2d the surface becomes a body in elmer and the lines become boundaries in 3D volumes become bodies and surfaces become boundaries in your geo you name a volume 2 but there are no volumes present. you name a surface box1boundary b...