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AdvancesinnumericalmodelofsoildesiccationcrackingandcurlingⅡ:
Meshfreeandparticle - basednumericalmethodsandperidynamics
ZHANGQing,LIUPanyong,GUXin,QIAOYanhe
(CollegeofMechanicsandEngineeringScience,HohaiUniversity,Nanjing 211100,China)
Abstract:Soilsdesiccationcrackingandcurlingcanpotentiallytriggernaturaldisasters,makingitalong - standing
issueofconcerninbothacademicandengineeringfields.However ,thephysicalprocessesandmechanicalmecha
nismsunderlyingdesiccationcrackingandcurlingarecomplex ,withnumerousinfluencingfactors,posingsignifi
cantchallengesfortheaccuratereplicateofthewholeprocessesbasedonthetheoreticalandexperimentalanalysis.
Althoughmesh - basedmethodshavemadesignificantresearchprogress ,crackingissuescontinuetoposechallenges
duetotheirintrinsiclimitations.Meshfreeandparticle - basedmethodsofferuniqueadvantagesindescribingcrack
ingphenomenaandhavebeenincreasinglydevelopedinrecentyearsforanalyzingsoildesiccationcrackingand
curling.Thispaperreviewsthemajoradvancementsinmesh - freenumericalmodelsandcertainhybridnumerical
methodsinthisfield.Additionally ,peridynamicsisrecommendedforanalyzingsoildesiccationcrackingandcurl
ing ,withtherelatedresearchresultsoftheauthorteam.Theresearchresultsindicatedthatperidynamicsstillre
quiresfurtherinvestigationinseveralareas:numericalmodelsformulti - physicalfieldcouplinganalyses,elasto -
plasticconstitutiverelationships,multi - scalesimulations,theevolutionofsoilpropertyparametersaccompanied
bycomplexboundaryconditions ,andthedevelopmentofhigh - precisionandefficientnumericalalgorithms.
Keywords:soildesiccationcracking;curling;meshfreeandparticle - basednumericalmethods;hybridnumerical
methods;peridynamics
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