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Unstructured Gridding for MODFLOW from Prior Groundwater Flow Models: A New Paradigm.
Ground Water ( IF 2.0 ) Pub Date : 2020-07-13 , DOI: 10.1111/gwat.13025
M. Adil Sbai

This work introduces a new unstructured gridding approach relying on feedback from a previous groundwater flow model. All cells in a relatively coarse model using a rectilinear grid are recursively subdivided following a cell wise specific discharge‐based indicator to generate quadtree, octree or Voronoï grids. This technique leverages the full potential of the latest MODFLOW engines. The suitability of this approach is demonstrated on challenging single and multilayered heterogeneous formations. The proposed method is straightforward to implement in existing software packages. It supports iterative updating of groundwater flow models from the legacy rectilinear to unstructured grids.

中文翻译:

先前地下水流模型中MODFLOW的非结构化网格:一种新的范例。

这项工作引入了一种新的非结构化网格方法,该方法依赖于以前的地下水流模型的反馈。使用基于网格的特定放电指示符,递归细分使用直线网格的相对粗略模型中的所有单元,以生成四叉树,八叉树或Voronoï网格。该技术充分利用了最新MODFLOW引擎的全部潜能。在具有挑战性的单层和多层非均质地层上证明了这种方法的适用性。所提出的方法易于在现有软件包中实施。它支持从传统的直线型网格到非结构化网格的地下水流模型的迭代更新。
更新日期:2020-07-13
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