Fluid-structure interactions : cross-flow-induced instabilities
著者
書誌事項
Fluid-structure interactions : cross-flow-induced instabilities
Cambridge University Press, 2011
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
Structures in contact with fluid flow, whether natural or man-made, are inevitably subject to flow-induced forces and flow-induced vibration: from plant leaves to traffic signs and to more substantial structures, such as bridge decks and heat exchanger tubes. Under certain conditions the vibration may be self-excited, and it is usually referred to as an instability. These instabilities and, more specifically, the conditions under which they arise are of great importance to designers and operators of the systems concerned because of the significant potential to cause damage in the short term. Such flow-induced instabilities are the subject of this book. In particular, the flow-induced instabilities treated in this book are associated with cross-flow, that is, flow normal to the long axis of the structure. The book treats a specific set of problems that are fundamentally and technologically important: galloping, vortex-shedding oscillations under lock-in conditions and rain-and-wind-induced vibrations, among others.
目次
- 1. Introduction
- 2. Prisms in cross-flow - galloping
- 3. Vortex-induced vibration and lock-in
- 4. Wake-induced instabilities of pairs and small groups of cylinders
- 5. Fluidelastic instabilities in cylinder arrays
- 6. Ovalling instabilities of shells in cross-flow
- 7. Rain and wind induced vibrations.
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