A question about official examples of Openfoam and Dealii calculations

@cj1823149636

Did you try the steps discussed in STUCK at ---[precice] Synchronize participants and close communication channels - #6 by zjk2549514878

What happens if you set a CG solver in the parameters.prm file on the deal.II side

--- a/turek-hron-fsi3/solid-dealii/parameters.prm
+++ b/turek-hron-fsi3/solid-dealii/parameters.prm
@@ -40,7 +40,7 @@ subsection Solver
   set Model                     = neo-Hookean
 
   # Linear solver: CG or Direct
-  set Solver type               = Direct
+  set Solver type               = CG