Hello
**** I want to do a coupling between the part blue which is a structure meduim and the red part which is the fluid meduim which we supposed our acoustic meduim. I used BOUNDARY_ACOUSTIC_COUPLING also Boundary_Acoustic_Coupling_MISMATECH I select the structure interface but it's not worked.
****I want to share the nodes for these two parts (blue and red), which options I can use Contact_surface_to_surface or Contact_node_to_surface and what is the difference between them in the results.
****Also, I have no idea how to change the settings of this module and what the main settings are(These settings as it shows is by default).
Thank you in advance.
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