Finite-element mesh generation from mappable features

International Journal of Geographical Information Systems
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Abstract

A vector-based geographical information system (GIS) is used to generate a variably-sized triangular element finite-element mesh from mappable features. Important digitally-mapped features are automatically linked to nodes in the finite-element model, ensuring an efficient, virtually error-free alternative to the tedious process of mesh design and data-input preparation by other methods. The procedure permits the user to work interactively with graphically-displayed hydrologic information about the study area allowing different mesh sizes to be used as needed, based on hydrologic complexity. The mesh-generaiion programs are stand-alone macros within the GIS that set up the basic data defining a finite-element mesh for many different finite-element model programs.

Publication type Article
Publication Subtype Journal Article
Title Finite-element mesh generation from mappable features
Series title International Journal of Geographical Information Systems
DOI 10.1080/02693799308901970
Volume 7
Issue 5
Year Published 1993
Language English
Publisher Taylor & Francis
Description 11 p.
First page 395
Last page 405
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