Extending the MODPATH algorithm to rectangular unstructured grids

Ground Water
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Abstract

The recent release of MODFLOW-USG, which allows model grids to have irregular, unstructured connections, requires a modification of the particle-tracking algorithm used by MODPATH. This paper describes a modification of the semi-analytical particle-tracking algorithm used by MODPATH that allows it to be extended to rectangular-based unstructured grids by dividing grid cells with multi-cell face connections into sub-cells. The new method will be incorporated in the next version of MODPATH which is currently under development.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Extending the MODPATH algorithm to rectangular unstructured grids
Series title Ground Water
DOI 10.1111/gwat.12328
Volume 54
Issue 1
Year Published 2016
Language English
Publisher Water Well Journal Pub. Co.
Publisher location Worthington, OH
Contributing office(s) Office of Ground Water
Description 5 p.
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Ground Water
First page 121
Last page 125
Online Only (Y/N) N
Additional Online Files (Y/N) N
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