Estimaton of pressure fields using velocity measurements

Michael H. Krane, P. Dong, T. Wei

Research output: Chapter in Book/Report/Conference proceedingChapter


An approach to estimating pressure fields due to unsteady flows associated with flow- induced vibration is presented. Pressure estimates of this type are useful for modeling the hydrodynamic forces on structures undergoing flow-induced vibration (Paper F02). The approach is based on a boundary-element solution to the Poisson equation for total pressure, using measurements of both the velocity field and the motion of the structure as input. An outline of the problem formulation and numerical issues will be presented. An application of the method to the case of flow-induced vibration of a cantilevered cylinder will be presented. Measurements of the velocity field in a finite control volume containing the vibrating cylinder are used to estimate the pressure and pressure work both on the outer boundary of the control volume, as well as on the cylinder surface. Estimates of the hydrodynamic energy input to the cylinder are presented, with emphasis given to the separate contributions of cylinder motion and fluctuations of the wake.

Original languageEnglish (US)
Title of host publicationIUTAM Symposium on Integrated Modeling of Fully Coupled Fluid Structure Interactions Using Analysis, Computations and Experiments
Number of pages1
StatePublished - Dec 1 2004

Publication series

NameFluid Mechanics and its Applications
ISSN (Print)0926-5112

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes


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