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The research of the sloshing (defined as being the oscillations of the free surface of a fluid inside of a container) has many applications in the automotive, naval and aerospace industry. In the automotive industry, the sloshing behavior in fuel tanks is part of an overall NVH research to design cars that run smoother and quieter. Sloshing in fuel tanks typically occurs during the acceleration or braking of the vehicle, where the inertia make the fluid to move abruptly inside of the tank, generating undesirable noises to the passengers. The sloshing research allows knowing the fuel motion inside the tank, becoming possible to reduce the level of noise generated from the interaction of the fluid with the tank, by an optimized project of the tank geometric, fuel bomb localization, and the introduction of baffles.