Low-Reynolds-number hydrodynamics of complex fluids by multi-particle-collision dynamics

by: M Ripoll, K Mussawisade, RG Winkler, G Gompper

EPL (Europhysics Letters), Vol. 68, No. 1. (2004), pp. 106-112.

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Abstract

Hydrodynamic interactions in complex fluids are investigated by the multi-particle-collision-dynamics algorithm, a mesoscopic simulation technique. The diffusive dynamics of simple fluids is studied, and the diffusion coefficient is calculated as a function of the mean free path of a particle. For small mean free paths, we observe strong effects due to hydrodynamic interactions among the fluid particles. These results are then used to study the dynamics of short polymer chains in solution. For an appropriate choice of the mean free path of the solvent, we obtain excellent agreement of our simulation results with the predictions of Zimm theory for the center-of-mass diffusion coefficient and the relaxation times of the Rouse modes.

@article{citeulike:2679569, abstract = {Hydrodynamic interactions in complex fluids are investigated by the multi-particle-collision-dynamics algorithm, a mesoscopic simulation technique. The diffusive dynamics of simple fluids is studied, and the diffusion coefficient is calculated as a function of the mean free path of a particle. For small mean free paths, we observe strong effects due to hydrodynamic interactions among the fluid particles. These results are then used to study the dynamics of short polymer chains in solution. For an appropriate choice of the mean free path of the solvent, we obtain excellent agreement of our simulation results with the predictions of Zimm theory for the center-of-mass diffusion coefficient and the relaxation times of the Rouse modes.}, author = {Ripoll, M. and Mussawisade, K. and Winkler, R. G. and Gompper, G. }, citeulike-article-id = {2679569}, doi = {10.1209/epl/i2003-10310-1}, journal = {EPL (Europhysics Letters)}, keywords = {dynamics, multi-particle-collision, polymer\_chain, rouse\_mode, zimm}, number = {1}, pages = {106--112}, posted-at = {2008-04-17 04:44:52}, priority = {2}, title = {Low-Reynolds-number hydrodynamics of complex fluids by multi-particle-collision dynamics}, url = {http://dx.doi.org/10.1209/epl/i2003-10310-1}, volume = {68}, year = {2004} }

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TY - JOUR ID - citeulike:2679569 L3 - citeulike-article-id:2679569 TI - Low-Reynolds-number hydrodynamics of complex fluids by multi-particle-collision dynamics JF - EPL (Europhysics Letters) VL - 68 IS - 1 SP - 106 EP - 112 N2 - Hydrodynamic interactions in complex fluids are investigated by the multi-particle-collision-dynamics algorithm, a mesoscopic simulation technique. The diffusive dynamics of simple fluids is studied, and the diffusion coefficient is calculated as a function of the mean free path of a particle. For small mean free paths, we observe strong effects due to hydrodynamic interactions among the fluid particles. These results are then used to study the dynamics of short polymer chains in solution. For an appropriate choice of the mean free path of the solvent, we obtain excellent agreement of our simulation results with the predictions of Zimm theory for the center-of-mass diffusion coefficient and the relaxation times of the Rouse modes. KW - dynamics KW - multi-particle-collision KW - polymer_chain KW - rouse_mode KW - zimm AU - Ripoll, M AU - Mussawisade, K AU - Winkler, RG AU - Gompper, G PY - 2004/// UR - http://dx.doi.org/10.1209/epl/i2003-10310-1 ER -

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