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Modelling turbulence-induced vibration of pipes with a spectral finite element method
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- Birgersson, F. (author)
- KTH,Farkostteknik
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- Finnveden, Svante (author)
- KTH,Farkostteknik
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- Robert, G. (author)
- Labarotoire de M! echanique des Fluides et d’Acoustique, UMR CNRS 5509, ! Ecole Centrale de Lyon, France
- (creator_code:org_t)
- Elsevier BV, 2004
- 2004
- English.
- In: Journal of Sound and Vibration. - : Elsevier BV. - 0022-460X .- 1095-8568. ; 278:05-apr, s. 749-772
- Journal article (peer-reviewed)
Abstract
Subject headings
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- The vibration of pipes is studied here using the Arnold-Warburton theory for thin shells and a simplified theory valid in a lower frequency regime. The vibrational response is described numerically with the spectral finite element method (SFEM), which uses the exact solutions of the equations of motion as basis functions. For turbulence excitation, the set of basis functions was extended to include particular solutions, which model a spatially distributed excitation. An efficient numerical solution to homogeneous random excitation is presented and the results compare favourably with wind tunnel measurements.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Strömningsmekanik och akustik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Fluid Mechanics and Acoustics (hsv//eng)
Keyword
- fluid-filled pipes
- boundary-layer
- wall pressure
- flow
Publication and Content Type
- ref (subject category)
- art (subject category)
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