Applications of Data Assimilation Methods on a Coupled Dual Porosity Stokes Model

Applications of Data Assimilation Methods on a Coupled Dual Porosity Stokes Model
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DOI:
10.1007/978-3-030-50433-5_6
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发表时间:
2020-05-25
期刊:
Computational Science – ICCS 2020
影响因子:
--
通讯作者:
Douglas CC
Douglas CC
中科院分区:
其他
文献类型:
--
作者:
Hu X;Douglas CC

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多孔介质和管道耦合系统广泛应用于地下水系统、石油开采和生化运输等各个领域。提出了一种双重介质耦合斯托克斯模型,用于模拟双重介质与管道耦合系统中的流体流动。数据同化是研究数学模型和观测数据相结合的学科。它可以通过合并数据来提高数学模型的准确性,但也会通过增加复杂性和计算成本带来挑战。本文研究资料同化方法在耦合双孔隙度Stokes模式中的应用。我们简要介绍了耦合模式,并检查不同的数据同化方法的性能上的耦合双孔隙度斯托克斯系统的有限元实现。我们还研究了系统的不同变量的观测如何影响数据同化过程。
Porous media and conduit coupled systems are heavily used in a variety of areas such as groundwater system, petroleum extraction, and biochemical transport. A coupled dual porosity Stokes model has been proposed to simulate the fluid flow in a dual-porosity media and conduits coupled system. Data assimilation is the discipline that studies the combination of mathematical models and observations. It can improve the accuracy of mathematical models by incorporating data, but also brings challenges by increasing complexity and computational cost. In this paper, we study the application of data assimilation methods to the coupled dual porosity Stokes model. We give a brief introduction to the coupled model and examine the performance of different data assimilation methods on a finite element implementation of the coupled dual porosity Stokes system. We also study how observations on different variables of the system affect the data assimilation process.
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