Fig. 1. Schematic diagram of electroosmotic micromixer

Fig. 2. Physical density evolution of electroosmotic flow micromixer

Fig. 3. Convergence history of optimization objective function values

Fig. 4. Concentration cross section comparison of micromixer

Fig. 5. Electrode layout of mixing units （N=9） and outlet concentration distribution of different mixing unit model schemes

Fig. 6. Mixed evaluation index of different mixed unit model schemes

Fig. 7. Electrodes obtained by applying different voltages and export concentration distribution

Fig. 8. Mixed evaluation of different applied voltages

Fig. 9. Electrode and outlet concentration distribution obtained by different radii

Fig. 10. Mixed evaluation of different radii

Fig. 11. Electrode and outlet concentration distribution obtained by different Pelect numbers

Fig. 12. Mixed evaluation of different Pelect numbers

Fig. 13. Electrode and outlet concentration distribution obtained by different Reynolds numbers

Fig. 14. Mixed evaluation of different Reynolds numbers