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Friction Induced Vibrations in Triangular Finite ElementsAuthors: Georg Rempfler, Remco Leine
The occurrence of friction induced vibrations in systems consisting of a single or few linear planar triangular finite elements is analyzed and simulations are computed using a time-stepping scheme. The deformable elements slide over a rigid body surface and vibration is induced by the frictional coupling between normal and tangential degrees of freedom (not by the Stribeck-effect). The analysis shows that the shape and orientation of the finite elements and their boundary conditions are critical for the emergence of friction induced vibrations. Moreover, it is shown that the Painlevé paradox does not occur in systems modeled with linear iso-parametric finite elements.
Publications:
Rempfler, G. "Reibinduzierte Schwingungen in finiten Dreiecks-Elementen", Master thesis at the Center of Mechanics, ETH Zurich, 2008. | ||||||||||||||||||||||
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