I have attached the convergence information of my displacement and force, the convergence at the interface is good, it seems to be OK.
precice-Solid-convergence.log (31.4 KB)
precice-Solid-iterations.log (6.5 KB)
At the same time, I also inquired several related questions in the forum:
It looks like I should try mapping:rbf-compact-tps-c2?