Finite element modeling of fluidic flexible matrix composite (F2MC) treatments for bending and torsional vibration control

Matthew Krott, Kentaro Miura, Christopher D. Rahn, Edward C. Smith

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

A new method for modeling and designing passive fluidic flexible matrix composite (F2MC) vibration treatments is presented. F2MC tubes are attached to a structure and connected to a fluidic circuit that acts similar to a tuned mass damper. The model couples the structural and fluidic domains through finite element degrees of freedom that axially deform the F2MC tubes. To demonstrate this method, a simple finite element model of a 1/3 scale helicopter tailboom is developed and used to assess two treatment concepts for a coupled bending-torsion vibration mode. With proper tuning of the fluidic circuit, reductions on the order of 80% can be achieved in the resonant amplitudes of tailboom tip bending and twisting vibrations. The model predicts that these levels of vibration reduction can be achieved using F2MC tubes mounted at the root of the tailboom with various tube lengths and circuit parameters. These results indicate that there is significant flexibility in the design of these promising lightweight and compact vibration treatments.

Original languageEnglish (US)
Title of host publication57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624103926
StatePublished - Jan 1 2016
Event57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2016 - San Diego, United States
Duration: Jan 4 2016Jan 8 2016

Publication series

Name57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference

Other

Other57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2016
CountryUnited States
CitySan Diego
Period1/4/161/8/16

Fingerprint

Fluidics
Vibration control
Composite materials
Networks (circuits)
Helicopters
Torsional stress
Tuning

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction
  • Architecture
  • Mechanics of Materials

Cite this

Krott, M., Miura, K., Rahn, C. D., & Smith, E. C. (2016). Finite element modeling of fluidic flexible matrix composite (F2MC) treatments for bending and torsional vibration control. In 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference (57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference). American Institute of Aeronautics and Astronautics Inc, AIAA.
Krott, Matthew ; Miura, Kentaro ; Rahn, Christopher D. ; Smith, Edward C. / Finite element modeling of fluidic flexible matrix composite (F2MC) treatments for bending and torsional vibration control. 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, 2016. (57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference).
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abstract = "A new method for modeling and designing passive fluidic flexible matrix composite (F2MC) vibration treatments is presented. F2MC tubes are attached to a structure and connected to a fluidic circuit that acts similar to a tuned mass damper. The model couples the structural and fluidic domains through finite element degrees of freedom that axially deform the F2MC tubes. To demonstrate this method, a simple finite element model of a 1/3 scale helicopter tailboom is developed and used to assess two treatment concepts for a coupled bending-torsion vibration mode. With proper tuning of the fluidic circuit, reductions on the order of 80{\%} can be achieved in the resonant amplitudes of tailboom tip bending and twisting vibrations. The model predicts that these levels of vibration reduction can be achieved using F2MC tubes mounted at the root of the tailboom with various tube lengths and circuit parameters. These results indicate that there is significant flexibility in the design of these promising lightweight and compact vibration treatments.",
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Krott, M, Miura, K, Rahn, CD & Smith, EC 2016, Finite element modeling of fluidic flexible matrix composite (F2MC) treatments for bending and torsional vibration control. in 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, American Institute of Aeronautics and Astronautics Inc, AIAA, 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2016, San Diego, United States, 1/4/16.

Finite element modeling of fluidic flexible matrix composite (F2MC) treatments for bending and torsional vibration control. / Krott, Matthew; Miura, Kentaro; Rahn, Christopher D.; Smith, Edward C.

57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, 2016. (57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - A new method for modeling and designing passive fluidic flexible matrix composite (F2MC) vibration treatments is presented. F2MC tubes are attached to a structure and connected to a fluidic circuit that acts similar to a tuned mass damper. The model couples the structural and fluidic domains through finite element degrees of freedom that axially deform the F2MC tubes. To demonstrate this method, a simple finite element model of a 1/3 scale helicopter tailboom is developed and used to assess two treatment concepts for a coupled bending-torsion vibration mode. With proper tuning of the fluidic circuit, reductions on the order of 80% can be achieved in the resonant amplitudes of tailboom tip bending and twisting vibrations. The model predicts that these levels of vibration reduction can be achieved using F2MC tubes mounted at the root of the tailboom with various tube lengths and circuit parameters. These results indicate that there is significant flexibility in the design of these promising lightweight and compact vibration treatments.

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Krott M, Miura K, Rahn CD, Smith EC. Finite element modeling of fluidic flexible matrix composite (F2MC) treatments for bending and torsional vibration control. In 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. American Institute of Aeronautics and Astronautics Inc, AIAA. 2016. (57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference).