It seems very difficult to me to obtain convergent estimation of interface curvature from the results of interface tracking by level-set method.
Please point out reference on this topic if you are familiar with this part of literature on level-set methods.
Hi Qinghai Zhang,
I'm not an expert in this area (working on explicit front tracking). It's a difficult
topic to precisely and robustly estimate the curvature from a implicit function.
If I remember well, Trotin and alii worked on this (A subgrid computation of the curvature by a particle/level-set method. Application to a front-tracking/ghost-fluid method for incompressible flows).
More specific too front capturing, see also work of Shin : Computation of the curvature field in numerical simulation of multiphase flow
best whises
Dear David Lopez,
Thank you very much for pointing out these references. I will read them.
cheers,
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