Abstract: A computer-implemented method of modelling a hydraulic network comprising pipes and pressure monitoring points, the method comprising: creating a model comprising a plurality of nodes and a plurality of edges connecting the nodes; wherein each node represents a pressure monitoring point within the hydraulic network, and each edge connects two nodes and represents an amalgamation of the pipes of the network that span between the pressure monitoring points represented by the two nodes.

Abstract: A model motion system for providing controlled motion of a vehicle model with wheels on is provided. The model motion system includes a pitch system coupled to the vehicle model with wheels on to control a pitch range of motion of the vehicle; a roll system coupled to the vehicle model with wheels on to control a roll range of motion of the vehicle; and a yaw system coupled to the vehicle model with wheels on to control a yaw range of motion of the vehicle. The pitch system, the roll system, and the yaw system control the respective ranges of motion of the vehicle model with wheels on.