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Numerical study of shearing of a microfibre during friction testing of a microfibre array
by Ajeet Kumar, and Chung-Yuen Hui
Proceedings AVolume 467(2129):1372-1389
May 8, 2011
©2011 by The Royal Society
Schematic of a rod undergoing deformation from its straight state reference configuration, inset shows forces and moments acting at the end cross sections of a rod segment.
Ajeet Kumar, and Chung-Yuen Hui Proc. R. Soc. A 2011;467:1372-1389
©2011 by The Royal Society
Part (a) shows how the normalized shear force depends on the normalized shear displacement during a fixed normal load test.
Ajeet Kumar, and Chung-Yuen Hui Proc. R. Soc. A 2011;467:1372-1389
©2011 by The Royal Society
Buckling load (normalized by Euler buckling load for clamped–clamped straight rod) versus normalized shear displacement for clamped–clamped (solid line) and clamped–pinned (dashed-
dotted) boundary conditions.
Ajeet Kumar, and Chung-Yuen Hui Proc. R. Soc. A 2011;467:1372-1389
©2011 by The Royal Society
First unstable configuration as the fibre is being sheared at a fixed normalized normal load = −0.44; clamped–clamped rod (solid line); clamped–pinned rod (dashed-dotted).
Ajeet Kumar, and Chung-Yuen Hui Proc. R. Soc. A 2011;467:1372-1389
©2011 by The Royal Society
Contour plots at several fixed values of initial compressive preload during a displacement-controlled test: (a) normalized normal force versus normalized shear displacement; (b)
normalized shear force versus normalized shear displacement.
Ajeet Kumar, and Chung-Yuen Hui Proc. R. Soc. A 2011;467:1372-1389
©2011 by The Royal Society
Contour plots for normalized shear force versus normalized normal load during displacement-controlled test for several values of initial compressive preload.
Ajeet Kumar, and Chung-Yuen Hui Proc. R. Soc. A 2011;467:1372-1389
©2011 by The Royal Society
Critical shear force (normalized) versus initial compressive preload (normalized) at several values of normalized critical normal load.
Ajeet Kumar, and Chung-Yuen Hui Proc. R. Soc. A 2011;467:1372-1389
©2011 by The Royal Society
