In the calculation, the mathematical model assumed by Winkler and its finite-difference solution are adopted.
计算采用文克尔假定的数学模型及其有限差分解。
On the basis of the variational method, a finite difference solution is presented for shear lag effect in Qiantang River Bridge with box section of varying depth.
本文结合钱塘江二桥应用变分法推导了变截面箱形梁剪滞效应的微分方程并利用有限差分法求得解答。
According to geologic model of unsteady groundwater flow in heterogeneous medium and adopting the finite difference solution, the direction and strength of oil gas migration can be quantified.
根据非均匀各向异性地层的非稳定的地下水流动模型，采用有限差分法求解，可以定量判断油气运移的方向及强度。
Characteristic solution and finite difference solution to the model are derived respectively and water saturation distribution curves are presented.
分别运用特征线法和有限差分法求解，得到了含水饱和度分布和活动边界的变化规律。
Characteristic solution and finite difference solution are derived respectively and water saturation distribution curves are presented and the law of the moving boundary is found.
这种模型属于具有活动边界的非线性问题，分别用特征线法和有限差分法求解，得到了含水饱和度分布和活动边界的变化规律。
Characteristic solution and finite difference solution are derived respectively and water saturation distribution curves are presented and the law of the moving boundary is found.
这种模型属于具有活动边界的非线性问题，分别用特征线法和有限差分法求解，得到了含水饱和度分布和活动边界的变化规律。
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