Finite-element mesh generation from mappable features
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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 |
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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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