Transport of velocity alignment particles in random obstacles*

Project supported by the National Natural Science Foundation of China (Grant Nos. 11575064 and 11175067), the PCSIRT (Grant No. IRT1243), the GDUPS (2016), and the Natural Science Foundation of Guangdong Province, China (Grant No. 2014A030313426).

Zhu Wei-jing1, Huang Xiao-qun2, Ai Bao-quan1, †
       

(color online) (a) Effective diffusion rate Dx as a function of the self-propulsion speed v0 for polar, nematic and free aligning interactions. (b) Average velocity Vx versus the self-propulsion speed v0 for three cases. The other parameters are: Dθ = 0.1, D0 = 0.01, no = 80, and na = 220.