MODFLOW-USG: a Game Change for Modeling

Írta: Jakab András on .

A preview of the new MODFLOW-USG (UnStructured Grids) was unveiled by Sorab Panday and Chris Langevin at the 2011 MODFLOW and More Conference. Since then, the excitement around this new program has been building, and we have received numerous inquiries from Visual MODFLOW Flex users. So, what is MODFLOWUSG, and how is it different from conventional MODFLOW? We interviewed Sorab Panday, one of the co-authors of the code, to learn a little more about the program and its features.

MODFLOW-USG is a version of the groundwater flow code MODFLOW that uses Un-Structured Grids. An unstructured grid provides flexibility to a MODFLOW simulation by enabling use of triangular, rectangular or other polygon shaped geometries individually or in combination, to appropriately discretize the domain. This is in contrast to traditional MODFLOW which uses structured, rectilinear grids. An unstructured grid paradigm further allows 3D, 2D, and 1D cell combinations to include other flow processes such as discrete fracture networks into the groundwater flow model.

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