1994
DOI: 10.1002/nme.1620370205
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Element‐free Galerkin methods

Abstract: SUMMARYAn element-free Galerkin method which is applicable to arbitrary shapes but ,requires only nodal data is applied to elasticity and heat conduction problems. In this method, moving least-squares interpolants are used to construct the trial and test functions for the variational principle (weak form); the dependent variable and its gradient are continuous in the entire domain. In contrast to an earlier formulation by Nayroles and coworkers, certain key differences are introduced in the implementation to i… Show more

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Cited by 4,935 publications
(2,935 citation statements)
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“…[45] for plane elasticity problems. The seminal paper [6] identi es the formulation as the same approximation used May u (x ) be a eld variable to be approximated over Ω. In the MLS framework, its approximation u h around a point x ∈ Ω is expressed by a linear combination of set of functions, the basis p (x ):…”
Section: Meshless Approximationmentioning
confidence: 99%
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“…[45] for plane elasticity problems. The seminal paper [6] identi es the formulation as the same approximation used May u (x ) be a eld variable to be approximated over Ω. In the MLS framework, its approximation u h around a point x ∈ Ω is expressed by a linear combination of set of functions, the basis p (x ):…”
Section: Meshless Approximationmentioning
confidence: 99%
“…A rst example for modifying the weak form is Belytschko at al. [6], text that coined the term Element-free Galerkin" and makes use of Lagrange Multipliers. A text by the same group [42] identi es the Lagrange Multipliers as the tractions on the boundary and adopts the same approximation used for the primary eld to interpolate these tractions.…”
Section: Meshless Approximationmentioning
confidence: 99%
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“…Assim, devido à dificuldade de determinar os FIT pelo MEF, formulações numéricas não convencionais foram desenvolvidas nos anos recentes, como, por exemplo, os Métodos Sem Malhas (BELYTSCHKO, LU, GU, 1994, BABUŠKA, MELENK, 1995, DUARTE, ODEN, 1996, ODEN, DUARTE, ZIENKIEWICZ, 1998, LIU, 2010. Tais (MELENK, BABUŠKA, 1996, DUARTE;ODEN, 2000, STROUBOULIS, BABUŠKA, COPPS, 2000.…”
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