简介:DistributedLagrangeMultiplier/FictitiousDomain(DLM/FD)methodwasemployedtosimulatethechannelflowwithpolymersuspension.ThepolymermoleculesweremodeledasFinitelyExtensibleNonlinearElastic(FENE)chainsandFENEchaincluster.Thecoiled-stretchedtransitionofFENEchainswasexaminedandthechangeinconfigurationofFENEchainswaspresented.Theaveragevelocityprofileofthefullydevelopedchannelflowwith64FENEchainswasgivenandfittedwellwiththepower-lawcurve.Thechangeofchainclusterconfigurationwasalsosimulated.ThesesimulationsshowthatDLM/FDmethodiscapableofsimulatingthemotionofnotonlyFENEchain,butalsoFENEchaincluster.