高水壓力作用下巖體水力劈裂的無單元法模擬

1、洳專：j～碩士學位論文⑧SimulationofHydraulicFracturingofRockMassDuetoHighWaterPressurebyusingElement—FreeMethodAbstractGroundwaterdepositinthecracksofrockmassItshydraulicpressureonthecracksurfacesmakestheintrinsiccracks01flawsappea

2、rpropagationandperforationthatishydraulicfracturingHydraulicfracturingisoneoftheimportantinfluencefactorsofstabilityofrocksmassandtheprojectbuildingsupontherockmassinthdrockprojectswithwickedhydrogeologicalconditions，suc

3、hashighwaterpressureanddeepburyingAlongwiththedevelopmentofsocietylotsofheavyconstructionsaredevelopingtotheundergroundundergroundengineeringcantseparatewimtheforceofgroundwaterallofthesepromotethedevelopmentofhydraulicf

4、racturingresearchThehydraulicfracturingofrockmassisoneembranchmentofthefissuredrockmassseepagestresscouplingresearchupt0nOWstudyonthisproblemisjustinitsinitialstage，lotsofbasictheoreticalproblemsshouldberesearchedmoredee

5、plyFirstlythefundamentaltheoriesofMovingLeastSquaresMethod(MLSM)whichisthebasictheoryofEFMarestudiedBasedonthis，thebasicequationsofEFMarederived，solvingequationswithConjugateGradientsMethodNumericalexamplesshowthatEFMsim

6、plifiespreandpostprocessingandearlsolveproblemswitllhigheraccuracyThenthedoublemechanicaleffectsoffractureflowiSstudicdTheformandexertionofhydrostaticpressureandhydrodynamicpressureonthecracks$Brfaceisstudied，andconsider