Extending the MODPATH algorithm to rectangular unstructured grids
Ground Water
By: David W. Pollock
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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.
| 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 |
| Publication Date | March 05, 2015 |
| 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 |