Numerical study of the incompressible Richtmyer-Meshkov instability. Interface tracking methods on general meshes
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hdl:2117/17884
Tipus de documentText en actes de congrés
Data publicació2012
Condicions d'accésAccés obert
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
The numerical simulation of interfacial and free surface flows is a vast and interesting topic in the areas of engineering and fundamental physics, such as the study of liquid-gas interfaces, formation of droplets,
bubbles and sprays, combustion problems with liquid and gas reagents, study of wave motion and others.
Many different methods for interface tracking
exist, but Volume-of-Fluid and Level-Set methods are two of the most important. The Volume-of-Fluid preserves mass in a natural way but requires large computational resources. On the other hand, the
Level-Set is not as accurate and mass conservative as the Volume-of-Fluid but is a faster way to track
interfaces, representing them by the middle contour of
a signed distance function.
The objective of this work is to analyze the
advantatges and drawbacks of the Volume-of-Fluid
and Level-Set methods by solving the incompressible
two-liquid Richtmyer-Meshkov instability and to
compare the results to experimental data.
CitacióJofre, L. [et al.]. Numerical study of the incompressible Richtmyer-Meshkov instability. Interface tracking methods on general meshes. A: Conference on Modelling Fluid Flow. "Conference proceedings: Conference on Modelling Fluid Flow: CMFF'12: the 15th event of international conference series on fluid flow technologies held in Budapest". Budapest: 2012, p. 584-591.
Versió de l'editorhttp://cataleg.upc.edu/record=b1419227~S1*cat
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