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An air flow passes over a building preloaded by gravity. Non linear vibrations due to fluid structure interaction occur. The viscosity has been artificially raised to avoid turbulent non linearities.

References :

[1] B. Hübner, E. Walhorn, and D. Dinkler, “A monolithic approach to fluid–structure interaction using space–time finite elements,” Computer Methods in Applied Mechanics and Engineering, vol. 193, no. 23–26, pp. 2087 – 2104, 2004.