Vol. 17 Núm. 1 (2018): Revista UIS Ingenierías
Artículos

Métodos de aproximación Lagrangiano-Eulerianos para leyes de equilibrio y leyes de conservación hiperbólicas

Eduardo Abreu
UNICAMP
Jhon Perez
ITM Institución Universitaria
Arthur Santo
Statistics and Scientific Computing - UNICAMP

Publicado 2018-01-11

Palabras clave

  • Leyes de conservación,
  • lagrangiano-euleriano,
  • volumen finito

Cómo citar

Abreu, E., Perez, J., & Santo, A. (2018). Métodos de aproximación Lagrangiano-Eulerianos para leyes de equilibrio y leyes de conservación hiperbólicas. Revista UIS Ingenierías, 17(1), 191–200. https://doi.org/10.18273/revuin.v17n1-2018018

Resumen

Un nuevo volumen finito de control es presentado en un enfoque Lagrangiano-Euleriano (ver artículos [1, 28]), en este, un dominio de espacio-tiempo es estudiado con el fin de diseñar un esquema localmente conservativo. Tal esquema tiene en cuenta el delicado balance no linear, entre las aproximaciones numéricas del flujo hiperbólico y el término fuente, en problemas de ley de balance ligados con leyes de conservación puramente hiperbólicas. Además, combinando algunas ideas de este nuevo enfoque, hacemos una construcción formal de un nuevo algoritmo para resolver importantes problemas de leyes de conservación en dos dimensiones espaciales. Un conjunto pertinente de experimentos numéricos para diferentes modelos es presentado para mostrar evidencia que soluciones cualitativamente correctas son aproximadas. 

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