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ID:19181398
大小:146.00 KB
页数:14页
时间:2018-09-29
《计算流体力学(传热传质)patankar03》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Unsteady1Dheatconductionsteady:unsteady:(transient)PWExweDx(dx)w(dx)etIntegrationTxPWEweTpTwTEintegratewithrespecttox:integratewithrespecttot:TimeintegrationrepeatforpointsEandW:tTExplicitvsimplicitf=0explicitschemef=0.5semi-implicit(Crank-Nicolson)schemef=1fullyimplicitschemeTpoldtTpnewt+Dtf=0f
2、=1f=0.5Explicitschemefor:inordertogiverealisticsolutionsCrank-NicolsonschemecangiveunrealisticsolutionsImplicitschemealwaysgivesrealisticsolutionsUnsteady2-Dheatconductionxyz=1PWEweDxNSnsDyDiscretizedunsteady2-DheatconductionequationUnsteady3-DheatconductionequationDiscretizedunsteady3-Dheatcond
3、uctionequationSolutionoftheequationsdirectmethodGauss-Seidelmethodline-by-linemethodalternating-directionimplicitstronglyimplicitprocedureRelaxationoverrelaxationunderrelaxationRelaxationrelaxationthroughinertia:
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