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Comparison between lagrange multiplier and penalty methods to enforce essential boundary conditions in meshfree methods

Ramirez-Salazar, Juan Fernando and Mesa-Munera, Elizabeth and Branch Bedoya, John Willian and Boulanger, Pierre (2011) Comparison between lagrange multiplier and penalty methods to enforce essential boundary conditions in meshfree methods. Avances en Sistemas e Informática; Vol. 8, núm. 3 (2011); 51-56 Avances en Sistemas e Informática; Vol. 8, núm. 3 (2011); 51-56 1909-0056 1657-7663 .

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Resumen

A simulation of a cantilever beam was carried out with the aim of compared the performance of two Meshfree methods, Element Free Galerkin Method and Radial Point Interpolation Method, using two different methods to impose the Essential Boundary Conditions. The results were validated with the analytical solution of the problem, obtained by Timoshenko in [Tim70]. It was possible to conclude that both methods show a good performance for the solution of the simulated problem. However, some consideration must be taken into account when these are applied to other types of approximation that cannot easily satisfy essential boundary conditions.

Tipo de documento:Artículo - Article
Información adicional:Derechos de autor reservados
Palabras clave:Essential Boundary Condition Enforcement, Penalty Method, Lagrange Multiplier Method
Unidad administrativa:Revistas electrónicas UN > Avances en Sistemas e Informática
Código ID:23486
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :27 Junio 2014 14:32
Ultima modificación:06 Junio 2018 10:51
Ultima modificación:06 Junio 2018 10:51
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