Hello, I would like to know if there is any way to import type filesDynamo-Autodesk to GiD? Or some way to import surfaces drawn in AutoCad to GiD
Thank you so much for your help.! 
AutoCAD .dwg format is a proprietary binary format, and is not publicly documented.
You can export your model from AutoCAD in its DXF ‘Data eXchange Format’ that is officially documented by AutoCAD
and then import it in GiD (Files->Import->DXF) or simply drag and drop the .dxf file over GiD
Some solid models are created inside AutoCAD using a version of the ACIS geometry modeller library, and its data is not exported as DXF. You can select the volume body and export it as ACIS format (.sat files) and then import it in GiD (NURBS curves and surfaces will be better using this format, unsupported by AutoCAD and DXF)