Enrichment and coupling of the finite element and meshless methods

A mixed hierarchical approximation based on finite elements and meshless methods is presented. Two cases are considered. The first one couples regions where finite elements or meshless methods are used to interpolate: continuity and consistency is preserved. The second one enriches a finite element...

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Vydané v:International journal for numerical methods in engineering Ročník 48; číslo 11; s. 1615 - 1636
Hlavní autori: Huerta, Antonio, Fernández-Méndez, Sonia
Médium: Journal Article Publikácia
Jazyk:English
Vydavateľské údaje: Chichester, UK John Wiley & Sons, Ltd 20.08.2000
Wiley and Sons
Wiley
Predmet:
Adaptivity
Anàlisi numèrica
Convergence
Elements finits, Mètode dels
Engineering Sciences
Finite element method
h-p refinement
Matemàtiques i estadística
Mechanics
Meshless method
Mixed interpolation
Mètodes en elements finits
Àrees temàtiques de la UPC
meshless method
h-p refinement
adaptivity
finite element method
mixed interpolation
convergence
ISSN:0029-5981, 1097-0207
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Shrnutí:A mixed hierarchical approximation based on finite elements and meshless methods is presented. Two cases are considered. The first one couples regions where finite elements or meshless methods are used to interpolate: continuity and consistency is preserved. The second one enriches a finite element mesh with particles. Thus, there is no need to remesh in adaptive refinement processes. In both cases the same formulation is used, convergence is studied and examples are shown. Copyright © 2000 John Wiley & Sons, Ltd.
Bibliografia:ArticleID:NME883
istex:E0DD81E79683F4EB8E8957F196265777DBF20327
ark:/67375/WNG-MHLSFH5R-T
Ministerio de Educación y Cultura - No. TAP98-0421
ISSN:0029-5981
1097-0207
DOI:10.1002/1097-0207(20000820)48:11<1615::AID-NME883>3.0.CO;2-S