An ice tank is a ship model basin whose purpose is to provide a physical modeling environment for the interaction of ship, structures, or sea floor with both ice and water. Ice tanks may take the form of either a towing tank or maneuvering basin.
Aalto Ice and Wave Tank in Espoo, Finland
A ship model basin is a basin or tank used to carry out hydrodynamic tests with ship models, for the purpose of designing a new ship, or refining the design of a ship to improve the ship's performance at sea. It can also refer to the organization that owns and operates such a facility.
Model of Emma Mærsk undergoing testing in a ship model basin
12 foot model hulls used by William Froude in scale model testing of stability, on display in the Science museum
US Experimental Model Basin, circa 1900
The Denny Tank, the world's first commercial testing tank.