Hydrodynamic propulsion is a method of moving through water by using the principles of fluid dynamics. It involves the generation of thrust by manipulating water flow, often through the use of fins, propellers, or jet systems. This technique is commonly seen in various aquatic vehicles, including submarines and boats, which rely on the efficient movement of water to achieve speed and maneuverability. In hydrodynamic propulsion, the design of the vehicle plays a crucial role in its performance. Factors such as shape, surface area, and material can significantly affect how water flows around the object, impacting its speed and energy efficiency. Understanding these principles is essential for engineers and designers working on advanced marine technologies.