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|Title:||On the role of tracking on Eulerian-Lagragian solutions of the transport equation|
Melo Baptista, A.
|Publisher:||Advances in Water Resources|
|Abstract:||We investigate the effect of tracking errors on the accuracy and stability of Eulerian-Lagrangian methods (ELMs) for the solution of the transport equation. A combination of formal analysis and numerical experimentation demonstrates that the effect is severe. Even moderate tracking errors substantially affect the preservation of the zeroth, first and second moments of concentration ( mass, phase and diffusion) and may lead to the instability of otherwise stable and very accurate ELMs. The use of accurate tracking algorithms is strongly recommended for Eulerian-Lagrangian simulations involving complex flows. Key Words: Transport equation. Eulerian-Lagrangian methods. Tracking methods. Mass conservation. Numerical experimentation. Accuracy|
|Appears in Collections:||DHA/NEC - Comunicações a congressos e artigos de revista|
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