Virtual planar motion mechanism tests of the autonomous underwater vehicle autosub
Virtual planar motion mechanism tests of the autonomous underwater vehicle autosub
Hydrodynamic derivatives are used to model the manoeuvring performance of proposed and existing hull forms. A simple robust method, using unsteady RANS simulations is presented to numerically replicate the experimental PMM tests performed on a scale model of the Autonomous Underwater Vehicle (AUV) Autosub. The method uses a body fitted inner domain to capture the unsteady flow. This body fitted mesh moves relative to a fixed outer domain via stretching/compressing cells at the interface. Detailed results for pure sway motion are presented and show good agreement for a relatively low computational cost. It is estimated that at the initial design stage a full set of manoeuvring derivatives could be found for an axis-symmetric AUV or submarine in under two days of simulation time using a desktop pc.
autonomous underwater vehicle, computational fluid dynamics, planar motion mechanism tests, submerged body
Phillips, A.B.
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Furlong, M.
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Turnock, S.R.
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September 2007
Phillips, A.B.
f565b1da-6881-4e2a-8729-c082b869028f
Furlong, M.
332e9aef-8c6b-452f-8b85-712492767458
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
Phillips, A.B., Furlong, M. and Turnock, S.R.
(2007)
Virtual planar motion mechanism tests of the autonomous underwater vehicle autosub.
STG-Conference / Lectureday "CFD in Ship Design", Hamburg, Germany.
26 Sep 2007.
8 pp
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
Hydrodynamic derivatives are used to model the manoeuvring performance of proposed and existing hull forms. A simple robust method, using unsteady RANS simulations is presented to numerically replicate the experimental PMM tests performed on a scale model of the Autonomous Underwater Vehicle (AUV) Autosub. The method uses a body fitted inner domain to capture the unsteady flow. This body fitted mesh moves relative to a fixed outer domain via stretching/compressing cells at the interface. Detailed results for pure sway motion are presented and show good agreement for a relatively low computational cost. It is estimated that at the initial design stage a full set of manoeuvring derivatives could be found for an axis-symmetric AUV or submarine in under two days of simulation time using a desktop pc.
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Published date: September 2007
Venue - Dates:
STG-Conference / Lectureday "CFD in Ship Design", Hamburg, Germany, 2007-09-26 - 2007-09-26
Keywords:
autonomous underwater vehicle, computational fluid dynamics, planar motion mechanism tests, submerged body
Organisations:
Fluid Structure Interactions Group
Identifiers
Local EPrints ID: 48939
URI: http://eprints.soton.ac.uk/id/eprint/48939
PURE UUID: c8d797a2-acfb-4f20-9d5a-9cb57c487991
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Date deposited: 18 Oct 2007
Last modified: 16 Mar 2024 03:42
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Contributors
Author:
A.B. Phillips
Author:
M. Furlong
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