Monte Carlo simulation of self-avoiding lattice chains subject to oscillatory shear flow in polymer solution Export

@article{xu01, abstract = {Abstract\ \  This paper has introduced a pseudo-potential in bond-fluctuation model to simulate oscillatory shear flow of multiple self-avoiding chains in three dimensions following our previous work under simple shear flow. The oscillatory flow field was reasonably reproduced by lattice Monte Carlo simulation using this pseudo-potential neglecting hydrodynamic interaction. By sampling the configuration distribution functions, the macroscopic viscoelasticity of semi-concentrated polymer solution was determined. Both Newtonian and non-Newtonian regimes were studied. The complex modulus and dynamic viscosity exhibit a reasonable power relation with oscillatory frequency, which is consistent with present theories and experiments. Consequently, lattice Monte Carlo simulation has been extended to model free-draining self-avoiding multi chains subject to oscillatory shear flow and to investigate associated viscoelasticity on the molecular level.}, author = {Xu, Guoqiang and Ding, Jiandong and Yang, Yuliang}, citeulike-article-id = {3010183}, citeulike-linkout-0 = {http://dx.doi.org/10.1007/s003970000079}, doi = {10.1007/s003970000079}, journal = {Rheologica Acta}, keywords = {carlo, mc, monte, nonlinear, oscillatory, shear}, month = {January}, number = {1}, pages = {60--66}, posted-at = {2008-09-27 17:41:49}, priority = {2}, title = {Monte Carlo simulation of self-avoiding lattice chains subject to oscillatory shear flow in polymer solution}, url = {http://dx.doi.org/10.1007/s003970000079}, volume = {40}, year = {2001} }

TY - JOUR ID - xu01 L3 - citeulike-article-id:3010183 N2 - Abstract   This paper has introduced a pseudo-potential in bond-fluctuation model to simulate oscillatory shear flow of multiple self-avoiding chains in three dimensions following our previous work under simple shear flow. The oscillatory flow field was reasonably reproduced by lattice Monte Carlo simulation using this pseudo-potential neglecting hydrodynamic interaction. By sampling the configuration distribution functions, the macroscopic viscoelasticity of semi-concentrated polymer solution was determined. Both Newtonian and non-Newtonian regimes were studied. The complex modulus and dynamic viscosity exhibit a reasonable power relation with oscillatory frequency, which is consistent with present theories and experiments. Consequently, lattice Monte Carlo simulation has been extended to model free-draining self-avoiding multi chains subject to oscillatory shear flow and to investigate associated viscoelasticity on the molecular level. IS - 1 JF - Rheologica Acta EP - 66 TI - Monte Carlo simulation of self-avoiding lattice chains subject to oscillatory shear flow in polymer solution VL - 40 SP - 60 KW - carlo KW - mc KW - monte KW - nonlinear KW - oscillatory KW - shear AU - Xu, Guoqiang AU - Ding, Jiandong AU - Yang, Yuliang PY - 2001/01// UR - http://dx.doi.org/10.1007/s003970000079 ER -