You have a NURBS surface but that needs to be discretised into panels for WAMIT. Use the Mesh command to do this, optionally followed by QuadRemesh to get quad-only mesh of the surface. Then export this to gdf.
You have a NURBS surface but that needs to be discretised into panels for WAMIT. Use the Mesh command to do this, optionally followed by QuadRemesh to get quad-only mesh of the surface. Then export this to gdf.