Shape parameters for a bacterial model with 360 and 320 triangle elements for the flagellum and spherical body, respectively. The total number of elements per bacterium is 680. (a) Shape A (h = 0.77, k = kE = 1.3, and af = 0.1), (b) shape B (h = 0.77/2), and (c) shape C (h = 0.77/2, k = 2.6).