preCICE-MBDyn-adapter.md

@@ -188,10 +188,11 @@ For each test case:
 
 ### CSM
 
-The _structural_ part has been simulated with _MBDyn_ and _preCICE_ and the 3 test cases are located [here](https://gitlab.com/stilita/mbdyn-esm-adapter/-/tree/master/testcases/TurekHron/CSM).
+The _structural_ part has been simulated with _MBDyn_ and _preCICE_ connection with preCICE is used to  get the displacements a the interface points (tip displacement). The 3 test cases are located [here](https://gitlab.com/stilita/mbdyn-esm-adapter/-/tree/master/testcases/TurekHron/CSM).
 For each test case:
-- the subdirectory _MBDyn_ contains the 
-- the subdirectory _dummy_ contains the
+- the name of the directory indicates the case and the number of beam elements. 
+- the subdirectory _MBDyn_ contains the model of the cantilever. The model uses the _gravity_ force to define how the structure is loaded
+- the subdirectory _dummy_ contains the dummy solver which sends 0 forces and reads the displacements.
 -  
 - The script `./Allclean` cleans the case