基于ANSYS 的薄壁件反重力铸造充填形态的数值模拟 - 南昌航空大学.PDF

2007 6 ( ) Jun. , 2007 21 2 Journal of Nanchang Hangkong Universit ( Natural Science) Vol. 21 No. 2 ANSYS , , , , ( 南昌航空大学材料科学与工程学院, 江西 南昌 330063) [ ] ; ; ; ; ANSYS [ ] CFD , ANSYS 610 , , , [ ] TG211 [ ] A [ ] 1001- 4926( 2007) 02- 0005- 06 The numerical simulation of the thin- wall counter- gravity casting filling flow based on ANSYS ZHANG Shou- in, YU Huan, YAN Qing- song, XU Zhi- feng, CAI Chang- chun ( School of Material Science and Eng ineering, Nanchang Hangkong University , Nanchang 330063, China) Keywords:ANSYS; filling flow; numerical simulation Abstract:The paper introduces the basic principle of CFD and the concept of the Finite Volume Method ( FVM) , and plots the grid of model and discretizes the governing equation b using ANSYS 6. 0. The filling flow of the thin- wall counter- pressure casting in different thickness and velocit is simulated. The result of the simulation is right and reasonable. And the influence disciplinarian of the thickness and velocit to the filling flow is acquired. 20 50 , , , , , [ 1, 2] , , , , , , ANSYS [3] , , 1 111 ( Computational Fluid D namics, CFD) , CFD : , , , , [3] CFD [ ] 2007- 04- 23 [ ] ( 1982- ) , , 6 ( ) ( 1) ( 234) ( 5) : 5 u 5v 5w D = + + = 0 ( 1) 5x 5 y 5 5u 5v 5w 5 P 5P 2 p ( + + + u ) = - + Qg + L ¨u ( 2)