By limited difference method, two dimensional, two phase polymer flooding numerical model is built.
并通过有限差分方法，建立了二维两相聚合物驱数值模型。
In the paper, the mathematical model for the proposed method is deduced, and the mean and variance of the acquired carrier difference phase of the proposed method are analyzed and simulated.
给出了该方法提取两导航台载波差分相位的数学模型，并分析了该方法提取的差分相位的均值及误差，进行了计算机仿真。
The dendrite growth of pure metal in undercooled melts was simulated by using phase field model(PFM) and finite difference schemes.
采用相场模型和有限差分方法，模拟了过冷纯金属熔体的枝晶生长，计算区域为二维正方形均匀网格。
The capillary tube model in subcooling single-phase region and two-phase region was established, and the difference of mass flow rate is within 10% between the predicted and the measured values.
建立单相区和两相区毛细管模型，模型计算的毛细管质量流量与实验测量的质量流量差别小于10%。
The formula for the parameter relative phase difference of the pseudo-random tripe-frequency IP method is draw through calculation and analysis of a established RC model, and a proof is given.
通过对建立的RC模型计算分析，引出了伪随机三频激电法的参数相对相位差的计算公式，并加以论证。
This model takes into account the difference of average velocities between gas-phase and liquid-phase, which overcomes the defect of mean-phase flow model.
这一模型考虑了各相平均速度之间的差异，克服了以往均相流动模型的缺点。
On the basis of analyzing the similar single-difference model, the method of identifying the outliers, which is in carrier phase observations and less than half a cycle, is put forward.
在分析似单差模型的基础上，提出了识别载波相位观测值中小于半周的粗差的方法。
On the basis of analyzing the similar single-difference model, the method of identifying the outliers, which is in carrier phase observations and less than half a cycle, is put forward.
在分析似单差模型的基础上，提出了识别载波相位观测值中小于半周的粗差的方法。
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