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How do we have to place certain sensors so that they measure correctly and the signal is not influenced by the diving robot itself? Can a flow simulation help to solve this problem?

Project Objective:

Flow simulation of the flow around a diving robot for marine research, to which new sensors should be attached.


Project Manager, Research Institute


Our client has a diving robot with which he explores the ocean currents in the Arctic, among other places. This helps him to make statements about climate change and to forecast future changes.

The flow velocity and direction is an indicator of this. The client takes a ship to relevant locations, places the diving robot in the water and thus investigates the local current.

It is important that the sensors are positioned correctly. When the diving robot moves, it generates a bow wave. This influences the sensors if they are too close to the hull.


A simple flow simulation helped the client to make a decision within a very short time and with a minimal budget. Since the CAD geometry of the diving robot was available, our specialists were able to use a fast, pragmatic flow simulation to show how far the bow wave is formed depending on the speed of travel.

It was thus very quickly determined how far the flow sensor had to project in order to generate a reliable signal.

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