DLM/FD SIMULATION OF CHANNEL FLOW WITH FENE POLYMER CHAIN SUSPENSION-中国期刊网

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

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DLM/FD SIMULATION OF CHANNEL FLOW WITH FENE POLYMER CHAIN SUSPENSION

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DLM/FD SIMULATION OF CHANNEL FLOW WITH FENE POLYMER CHAIN SUSPENSION

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