Fig. 4

The filling processes of mutation structures with different cross-sectional area ratios. (a) The filling processes of mutation structure with cross-sectional area ratio 1:100 under the gating velocity of 1 m/s, (b) The filling processes of mutation structure with cross-sectional area ratio 1:100 under the gating velocity of 0.5 m/s, (c) The stable filling height of structures with different area ratios at gating velocity of 1 m/s.