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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
                                                                                    (责任编辑:李 娜)

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