The Rayleigh-Taylor instability is studied for an incompressible inviscid fluid of infinite depth for three-dimensional (3D) spatially periodic flow. The problem is formulated in terms of general conditions that allow one to find the symmetry of the observable steady structures. Analytical steady solutions for a hexagonal type of flow symmetry (plane group p6mm) are found in few orders of approximations. Interrelations between the results with various types of flow symmetry are established. Comparisons with previously studied 3D flows with "square" and "rectangular" symmetries are given. [S1063-651X(98)14312-X].
机构:
Univ Rochester, Dept Mech Engn, Rochester, NY 14627 USA
Univ Rochester, Laser Energet Lab, 250 E River Rd, Rochester, NY 14627 USAUniv Rochester, Dept Mech Engn, Rochester, NY 14627 USA
Yan, R.
Betti, R.
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Univ Rochester, Dept Mech Engn, Rochester, NY 14627 USA
Univ Rochester, Laser Energet Lab, 250 E River Rd, Rochester, NY 14627 USA
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Mech Engn, Rochester, NY 14627 USA
Betti, R.
Sanz, J.
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Univ Politecn Madrid, ETSI Aeronaut, E-28040 Madrid, SpainUniv Rochester, Dept Mech Engn, Rochester, NY 14627 USA
Sanz, J.
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Aluie, H.
Liu, B.
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Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Mech Engn, Rochester, NY 14627 USA
Liu, B.
Frank, A.
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Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Mech Engn, Rochester, NY 14627 USA