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Comparisons of computationally predicted contact pressures along the edge as a function of the distance from the centre of contact (point A) on the cup rim, for different mesh densities, with the element sizes of 0.5, 0.25, and 0.125 mm (a), and 0.0625, 0.0313 and 0.0156 mm (b), respectively, for the head displacement of 0.5 mm and load of 0.5 kN.
