XFlow教程

XFlow2014TutorialGuide©Copyright2014NextLimitDynamicsSL12XFlow2014TutorialGuide©Copyright2014NextLimitDynamicsSLXFlowisaregisteredtrademarkofNextLimitDynamicsSLAllothertrademarksincludedinthisdocumentbelongtotheirrespectiveowners.Allrightsreserved.Thisdocument,inwholeorinpart,maynotbecopied,reproduced,translated,transferred,transmittedorpubliclyperformed,inanyformorbyanymeans-graphic,electronic,machine-readable,ormechanical,includingphotocopying,recording,orinformationstorageandretrievalsystems-withoutthepriorwrittenpermissionofNextLimitDynamicsSL.AllimagesinthisbookhavebeenreproducedwiththeknowledgeandpriorconsentoftheartistsconcernedandnoresponsibilityisacceptedbyNextLimitDynamicsSL,producer,publisher,orprinterforanyinfringementofcopyrightorotherwise,arisingfromthecontentsofthispublication.Everyefforthasbeenmadetoensurethatcreditsaccuratelycomplywithinformationsupplied.Whileeveryprecautionhasbeentakeninthepreparationofthisdocument,NextLimitDynamicsSL,thepublisherandtheauthorassumenoresponsibilityforerrorsoromissions,orfordamagesresultingfromtheuseofinformationcontainedinthisdocumentorfromtheuseofprogramsandsourcecodethatmayaccompanyit.InnoeventshallNextLimitDynamicsSL,thepublisherortheauthorbeliableforanylossofprofitoranyothercommercialdamagecausedorallegedtohavebeencauseddirectlyorindirectlybythisdocument.UseoftheXFlowsoftwareanditsdocumentationhasbeenprovidedunderasoftwarelicenseagreement.NextLimitDynamicsSLassumesnoresponsibilityorliabilityforanydamagesordatalosscausedbyinstallationoruseofthesoftware.Informationdescribedinthisdocumentationisfurnishedforinformationonly,issubjecttochangewithoutnotice,andshouldnotbeconstruedasacommitmentbyNextLimitDynamicsSL.Thesoftwareanditsdocumentationcontainvaluabletradesecretsandproprietaryinformationandareprotectedbycopyrightlaws.Unauthorizeduseofthesoftwareoritsdocumentationcanresultincivildamagesandcriminalprosecution.XFlow2014(Build92)©Copyright2014NextLimitDynamicsSLXFlow2014TutorialGuide©Copyright2014NextLimitDynamicsSL3TableofContentsUsingthisguide5...................................................................................................................................5ConventionsTutorial01-Flowaroundacylinder7...................................................................................................................................8Step0:ExecuteXFlow...................................................................................................................................9Step1:Creategeometry...................................................................................................................................14Step2:Problemsetup...................................................................................................................................18Step3:Run...................................................................................................................................21Step4:Post-processing...................................................................................................................................28Step5:Refinetheresolution...................................................................................................................................33Step6:Movingcylinder-enforcedmotion...................................................................................................................................36Step7:Movingcylinder-rigidbodydynamicsTutorial02-Vehicleaerodynamics39...................................................................................................................................40Step1:Importgeometry...................................................................................................................................43Step2:Problemsetup...................................................................................................................................46Step3:Run...................................................................................................................................49Step4:Post-processingTutorial03-Advancedpostprocessing60...................................................................................................................................61Advancedpost-processingTutorial04-Dambreak71...................................................................................................................................72Step1:Problemsetup...................................................................................................................................74Step2:Post-processingTutorial05-Breakingwaves77...................................................................................................................................78Step1:Problemsetup...................................................................................................................................82Step2:Post-processing.....................................................................