Vibration control of ship structures
Two control approaches are presented in this paper for the vibration control of ship structures. One aims to control vibration energy transmission from vibrating machinery to a ship structure by modifying the input mobility of the local supporting structure. Another aims to control vibration energy propagation in the ship structure by introducing irregularities to the ring frame locations. Four structural modifications are proposed in the first approach. The effect of the modifications to the force and moment input mobility at the engine mount locations is discussed. It is found that vibration energy transmission from a mechanical source to the ship structure can be controlled by structural modifications of the local supporting structure. In the second approach, we found that vibration of the ship structure at low frequencies can be confined at the source section by moving some of the ring frames away from their respective periodic locations
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|Item Type:||Conference Paper|
|Keywords:||Vibration propagation, Vibration Control, Ship structures|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Mechanical Engineering not elsewhere classified (091399)|
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MARITIME ENGINEERING (091100) > Marine Engineering (091101)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MARITIME ENGINEERING (091100) > Ship and Platform Structures (091105)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
|Copyright Owner:||Copyright 2008 (please consult author)|
|Deposited On:||24 Jun 2008|
|Last Modified:||29 Feb 2012 23:43|
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