Hello Peter,

Thank you very much it works ! But I will keep the Solid for modeling fluid-structure-interaction.

For the water boday, I add elasticity properties in material with orthotropic elasticity with Ex=Ey=Ez=2200MPa, poisson module 0,49 and shear module as 2,2MPa.

Is the water body will be fluid80 ? Or should I add a command? If yes how do you do ?

Best regards