数值模拟预测了金属液充型过程的流动速度场和温度场,并对充型过程进行了评价。
Numerical simulation predicts molten metal velocity field and temperature field in the filling progress. Filling of casting thus is be evaluated.
建立了二维浅水流动的旋涡诱导速度公式,在已知旋涡场和胀量场时,由该表达式可确定流动速度场。
A formula is deduced for the velocity induced by the vortices in two-dimensional shallow water flows and it is used to correct the Biot-Savart law.
使用有限法求解不可压缩牛顿流体流动控制方程,用体积函数法跟踪金属液自由表面的移动,预测了机体充型过程的流动速度场和温度场。
The incompressible, Newtonian fluid flow equations are solved using finite element method. The free surface motion of molten metal is tracked by the volumetric function approach.
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