High speed marine craft motion mitigation using flexible hull design
High speed marine craft motion mitigation using flexible hull design
High speed marine craft motions can be severe and concerns regarding human performance and safety are widespread. The motions can reduce crew abilities to perform tasks and can result in injury. This is especially of concern for military and/or rescue operations and means to reduce or mitigate against motion exposures are required to protect the occupants. In this paper the motionmitigation provided by various ‘flexible’ hull systems during a slam event is examined numerically, following an extended introduction describing highspeedmarinecraftmotion effects and whole body vibration and repeated shock. Introducing hull flexibility to isolate the occupants from the externally induced disturbances can either exacerbate or alleviate the problem depending on the design
ship motions, control, rib
126-134
Townsend, N.C.
57aee79e-90dc-4e65-b2f5-3bb5e6c83f20
Coe, T.E.
0e5782e2-9410-4f1c-bb55-61b1d6793d43
Wilson, P.A.
8307fa11-5d5e-47f6-9961-9d43767afa00
Shenoi, R.A.
a37b4e0a-06f1-425f-966d-71e6fa299960
March 2012
Townsend, N.C.
57aee79e-90dc-4e65-b2f5-3bb5e6c83f20
Coe, T.E.
0e5782e2-9410-4f1c-bb55-61b1d6793d43
Wilson, P.A.
8307fa11-5d5e-47f6-9961-9d43767afa00
Shenoi, R.A.
a37b4e0a-06f1-425f-966d-71e6fa299960
Townsend, N.C., Coe, T.E. and Wilson, P.A. et al.
(2012)
High speed marine craft motion mitigation using flexible hull design.
Ocean Engineering, 42, .
(doi:10.1016/j.oceaneng.2012.01.007).
Abstract
High speed marine craft motions can be severe and concerns regarding human performance and safety are widespread. The motions can reduce crew abilities to perform tasks and can result in injury. This is especially of concern for military and/or rescue operations and means to reduce or mitigate against motion exposures are required to protect the occupants. In this paper the motionmitigation provided by various ‘flexible’ hull systems during a slam event is examined numerically, following an extended introduction describing highspeedmarinecraftmotion effects and whole body vibration and repeated shock. Introducing hull flexibility to isolate the occupants from the externally induced disturbances can either exacerbate or alleviate the problem depending on the design
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Accepted/In Press date: 10 January 2012
e-pub ahead of print date: January 2012
Published date: March 2012
Keywords:
ship motions, control, rib
Organisations:
Fluid Structure Interactions Group
Identifiers
Local EPrints ID: 342213
URI: http://eprints.soton.ac.uk/id/eprint/342213
ISSN: 0029-8018
PURE UUID: 5790669a-341e-43ba-963f-c3e4de1ad181
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Date deposited: 16 Aug 2012 08:02
Last modified: 15 Mar 2024 02:35
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Contributors
Author:
N.C. Townsend
Author:
T.E. Coe
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