Title

Unstructured mesh assessment for tidal model of the South Atlantic Bight and its estuaries

Authors

Authors

P. Bacopoulos; D. M. Parrish;S. C. Hagen

Comments

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Abbreviated Journal Title

J. Hydraul. Res.

Keywords

Estuary; localized truncation error analysis; shallow-water equations; South Atlantic Bight; tide; unstructured mesh; TRUNCATION ERROR ANALYSIS; GENERATION; EQUATION; Engineering, Civil; Water Resources

Abstract

Localized truncation error analysis with complex derivatives was applied to compute target element sizes for tidal flow in the South Atlantic Bight (SAB) and its estuaries. An existing finite element mesh was used to generate a tidal solution that is fed into this code, which assesses the truncation error and drives it to a more uniform value through selective mesh gradation, and results in a target element size distribution for the SAB and its estuaries. The target element size distribution is compared to the element size distribution of the existing mesh. The code prescribes larger than the initial elements for the shelf and deeper waters and smaller than the initial elements for the shallow-water region. Along the coast, elements similarly sized as the initial elements are prescribed at the inlets, but larger elements are prescribed between adjacent inlets.

Journal Title

Journal of Hydraulic Research

Volume

49

Issue/Number

4

Publication Date

1-1-2011

Document Type

Article

Language

English

First Page

487

Last Page

502

WOS Identifier

WOS:000294213700007

ISSN

0022-1686

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