1、Autodesk Inventor Nastran 2026 R0 64位下载地址：
https://dds.autodesk.com/NetSWDLD/ODIS/prd/2026/NINCAD/F20ABE8A-D168-384F-869C-5075DBDF9F31/SFX/Inventor_Nastran_2026_R0_Win_64bit_DB.sfx.exe
2、Autodesk Inventor Nastran 2026 R1 64位下载地址：
https://dds.autodesk.com/NetSWDLD/ODIS/prd/2026/NINCAD/3FD9FE70-7EF1-3DCC-B404-919C74E741CA/SFX/Inventor_Nastran_2026_R1_Win_64bit.sfx.exe