Simulating the Rayleigh-Taylor instability in polymer fluids with dissipative particle dynamics Yanggui Li, Xingguo Geng, Xin Zhuang, Lihua Wang and Jie Ouyang Eur. Phys. J. Plus, 131 4 (2016) 103 Published online: 20 April 2016 DOI: 10.1140/epjp/i2016-16103-x