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The numerical simulation of a tank model for the lateral line canal in fish

Ooms, E (2017) The numerical simulation of a tank model for the lateral line canal in fish. Bachelor's Thesis, Mathematics.

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Abstract

Fish are able to picture moving and vibrating objects of their surroundings by using their mechanosensory lateral line organ. Water displacements and pressure fluctuations, present in the neighbourhoud of the fish can be detected by neuromasts located on their skin and in their lateral line canal. At the department of Artificial Intelligence of the RuG, reseachers are investigating if they are able to design a flow detection system based on this mechanosensory lateral line system in fish. In trying to build this, they want to know what the most suitable settings for their modelled canal should be. In this thesis, the effects of a canal on the flow produced by a moving object is simulated by using ComFLOW, a program that simulates fluid flow numerically based on the Navier-Stokes equations. We start with considering a very simplified two-dimensional case in which one sensor is placed at the bottom of a tank partially filled with water and an object is moving from one side to the other side. This simplified case is extended to more sophisticated cases that resemble the situation in fish better, e.g. by adding horizontal and vertical walls around a series of sensors. The effect of vortices, shedded by the moving object, on the measured signals of velocity and pressure near the sensors is studied in detail.

Item Type: Thesis (Bachelor's Thesis)
Degree programme: Mathematics
Thesis type: Bachelor's Thesis
Language: English
Date Deposited: 15 Feb 2018 08:26
Last Modified: 15 Feb 2018 08:26
URI: http://fse.studenttheses.ub.rug.nl/id/eprint/14916

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