Granular materials： Bridging damaged solids and turbulent fluids-中国期刊网

摘要 Granularmaterialsexhibitabundantdissipationsduetofluctuationsinbothgranularmotionsandconfigurations(i.e.,granularskeleton)evolutions.TwingranulartemperaturesTkandTeareintroducedaccountingfortwotypesoffluctuations,andtheso-calledtwingranulartemperaturestheoryisestablishedasanextensionofgranularsolidhydrodynamics.Byusingsimulations,thenonaffinedeformationsina2Dassemblyaresimulatedbyusingdiscreteelementmethods.Byanalogizingwithmicrodamagesindeformedsolids,doublescalardamagevariables,DPandDq,areproposedtodescribethedeformedgranularsolidundertriaxialcompressions.GranularflowsarefoundintrinsicallyturbulentduetothepresenceofTkandtheNaiver-Stokesequationisobtainedforgranularflows.

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Granular materials： Bridging damaged solids and turbulent fluids

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Granular materials： Bridging damaged solids and turbulent fluids

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