| Issue |
Europhys. Lett.
Volume 37, Number 4, February I 1997
|
|
|---|---|---|
| Page(s) | 263 - 268 | |
| Section | Classical areas of phenomenology | |
| DOI | https://doi.org/10.1209/epl/i1997-00141-0 | |
| Published online | 01 September 2002 | |
Detecting complex singularities of a Hele-Shaw flow
1
Centre de Recherche Paul Pascal - Avenue Schweitzer, 33600 Pessac, France
2
Centre de Physique Théorique et de Modélisation, UA1537 CNRS, Université de Bordeaux I - 19 rue du Solarium,
33175 Gradignan, France
Received:
21
October
1996
Accepted:
23
December
1996
We describe a numerical method to measure the location and strength of
complex singularities of a Hele-Shaw flow. We are able
to detect the singularities with exponent (close to) 
, predicted
by perturbative calculations. We also give numerical evidence for a new mechanism
of singularity generation.
PACS: 47.20.-k – Hydrodynamic stability / 03.40.Gc – Fluid dynamics: general mathematical aspects / 68.10-m – Fluid surfaces and fluid-fluid interfaces
© EDP Sciences, 1997
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