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. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: Wiley Interdiscip Rev Comput Mol Sci. 2018 Jul 19;9(1):e1376. doi: 10.1002/wcms.1376

Figure 6.

Figure 6

Figure 6

Figure 6

(a) The normal vs the in-plane force in Dd. The inset shows the labeling. (b) The cyclic variation of the forces and the speed. (c) and (d) The tangential and normal forces in Dd. (a) and (b) taken from Delanoe-Ayari et al. (96), (c) and (d) taken from Alvarez-Gonzalez et al.(97).