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Numerical simulation by the MAH-3 code of the interfaces using an unstructured mesh of markers

Published online by Cambridge University Press:  07 March 2001

V.I. VOLKOV ,
V.A. GORDEYCHUK ,
N.S. ES'KOV  and
O.M. KOZYREV
V.I. VOLKOV
Affiliation:
Russian Federal Nuclear Center All-Russian Scientific Research Institute of Technical Physics (RFNC-VNIITF), P.O. 245, Snezhinsk Chelyabinsk Region, Russia, 456770
V.A. GORDEYCHUK
Affiliation:
Russian Federal Nuclear Center All-Russian Scientific Research Institute of Technical Physics (RFNC-VNIITF), P.O. 245, Snezhinsk Chelyabinsk Region, Russia, 456770
N.S. ES'KOV
Affiliation:
Russian Federal Nuclear Center All-Russian Scientific Research Institute of Technical Physics (RFNC-VNIITF), P.O. 245, Snezhinsk Chelyabinsk Region, Russia, 456770
O.M. KOZYREV
Affiliation:
Russian Federal Nuclear Center All-Russian Scientific Research Institute of Technical Physics (RFNC-VNIITF), P.O. 245, Snezhinsk Chelyabinsk Region, Russia, 456770
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Abstract

The paper addresses Rayleigh–Taylor instability (RTI) problems and presents a method of describing an interface with markers on a Eulerian mesh, which is implemented in the MAH-3 code. The proposed method allows a more accurate description of the evolution of the interface caused by Rayleigh–Taylor perturbations and preserves symmetry of the interface under appropriate symmetry of the problem (planar, cylindrical, and spherical). The method employs an unstructured triangular mesh of makers. Method capabilities are demonstrated on 2D and 3D Rayleigh–Taylor instability problems.

Type
ZABABAKHIN SPECIAL PAPERS
Information
Laser and Particle Beams , Volume 18 , Issue 2 , April 2000 , pp. 197 - 205
Copyright
© 2000 Cambridge University Press

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