Simulation is stuck during setup (calculix adapter)

[fsimonis]

This looks like the communication cannot be established. This can have many reasons, some of which are summarized here:

Help! The participants are not finding each other!

This is a standard issue that many users face. You start both solver of your coupled simulation and they both hang at: (0) 18:57:09 [impl::SolverInterfaceImpl]:253 in initialize: Setting up master communication to coupling partner/s What could be the problem? Let’s take one step back and have a look how preCICE sets up the communication. In order to establish the communication between the master ranks of both solvers, preCICE exchanges initial communication data by writing them into the direct…

You could build preCICE with Debug log -DPRECICE_RELEASE_WITH_DEBUG_LOG=ON to narrow the search further down.

Also, please use <m2n:sockets> to ensure there is nothing strange going on with MPI.

Best
Frédéric