Granular pressure-temperature relation during regime change in a simple shear state

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    摘要 Inarecentstudy,aregimechartwasestablishedforshearedgranularsystems.Forasoftparticlesystemundersimpleshear,theinternalstressshowedarangeofratedependency.Astheparticleconcentrationincreased,thesystemtransitionedfromakineticgastoaplasticsolid.Thistransitionwasgradualforlowstiffnesssystemsbutbecamemoreabruptasthestiffnessincreased.Inthisstudy,therelationshipbetweenthegranulartemperatureandpressureisinvestigatedforthesamesystemofparticles.Thegranulartemperatureisdefinedastheaveragekineticenergyperunitvolumeandthepressureisdefinedasthetraceofthestresstensor.Itisfoundthatthispressure-temperature(P-T)curvedepictsasharpturnwhenthesystemmovesawayfromthekineticgasregime.However,nosignatureisfoundintheP-Trelationshipinotherregimes.
    作者 Hayley Shen
    机构地区 不详
    出处 《力学快报:英文版》 2013年2期
    出版日期 2013年02月12日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)
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