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Stability and accuracy of numerical boundary conditions in aeroelastic analysis

Abstract:

This paper analyses the accuracy and numerical stability of coupling procedures in aeroelastic modelling. A two-dimensional model problem assuming unsteady inviscid flow past an oscillating wall leads to an even simpler one-dimensional model problem. Analysis of different numerical algorithms shows that in general the coupling procedures are numerically stable, but care is required to achieve accuracy when using very few timesteps per period of natural oscillation of the structure. The releva...

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Publication date:
1995-06-05
URN:
uuid:4fafa7f3-7487-4dea-875b-4dc8ee62c241
Local pid:
oai:eprints.maths.ox.ac.uk:1339

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