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  • 简介:Thispapercontinuesourrecentworkontherelationshipbetweendiscretecontactinteractionsatthemicroscopicscaleandcontinuumcontactinteractionsatthemacroscopicscale(Hulikaletal.,J.Mech.Phys.Solids76,144–161,2015).Thefocusofthisworkisonadhesion.Weshowthatacollectionofalargenumberofdiscreteelementsgovernedbyathreshold-forcebasedmodelatthemicroscopicscalecollectivelygivesrisetocontinuumfracturemechanicsatthemacroscopicscale.Akeystepistheintroductionofanefficientnumericalmethodthatenablesthecomputationofalargenumberofdiscretecontacts.Finally,whilethisworkfocusesonscalinglaws,themethodologyintroducedinthispapercanalsobeusedtostudyroughsurfaceadhesion.

  • 标签: ADHESION Threshold-force model Johnson-Kendall-Roberts (JKR) theory