层流导管流动.pdf

0.2m8mVin=1m/s 3 -3 density ρ=1 kg/ m µ= 2 x 10 Vavg 1m/s fluent x 1 GAMBIT FLUENT 1. solver fluent5/6 r x 2 xy 8m0.1m 3 5 100 Operation Toolpad Mesh Command Button Face Command Button Mesh Faces Apply : Operation Toolpad Zones Command Button Specify Boundary Types Command Button Apply Edge Name Type Position Left inlet VELOCITY_INLET Right outlet PRESSURE_OUTLET Top wall WALL Click Apply Bottom centerline AXIS Main Menu File Save Main Menu File Export Mesh... pipe.msh Export 2d Mesh apply pipe.msh :fluent 1.flunt62drun 2d 64 2. Main Menu File Read Case... pipe.msh fluent 500 500 quadrilateral cells, zone 2. zones4 zones inletoutletwallcenterline 3.check replay check Main Menu Grid Check Main Menu Grid Info Size Main Menu Display Grid... surfaces 5 items apply replay grid surfaces Main Menu Define Models Solver ok Main Menu Define Models Viscous cancel Main Menu Define Models Energy energy equation cancel Main Menu Define Materials... Main Menu Define Boundary Conditions... Boundary Conditions Window centerline zone axiesset set OK inletvelocity_inlet set1OK outletpressure_outlet 1atm 1atm0cancel wall wall set momentum OK closeBoundary Conditions menu 5 second-order Main Menu Solve Controls Solution.. Momentum Second Order Upwind OK Main Menu Solve Initialize Initialize... Solution Initialization Compute From.inle