Dump your original Dragon Ball Z: Ultimate Tenkaichi PS3 Blu-ray disc using a compatible PC Blu-ray drive, or transfer the game files from a custom-firmware PS3 console.

: These software tools replicate PS3 and Xbox 360 environments on modern operating systems. Essential System Requirements for PC Emulation

If you're looking to play the original game and it's not officially supported on your platform, emulation could be an option. However, obtaining a ROM of the game to use with an emulator walks a legal gray line and is generally considered piracy.