TY - JOUR
T1 - Instabilities of dislocations in fluid patterns
AU - Newell, A. C.
AU - Passot, T.
PY - 1992
Y1 - 1992
N2 - Dislocations are important for wave-number adjustment in the almost periodic patterns found in convecting fluids and a wide variety of other physical contexts. Using a model for infinite-Prandtl-number fluids, we show that, far from onset, climbing dislocations can undergo local, finite-amplitude instabilities that lead to the formation of disclinations, bridgelike structures, sudden roll disappearance, and gliding.
AB - Dislocations are important for wave-number adjustment in the almost periodic patterns found in convecting fluids and a wide variety of other physical contexts. Using a model for infinite-Prandtl-number fluids, we show that, far from onset, climbing dislocations can undergo local, finite-amplitude instabilities that lead to the formation of disclinations, bridgelike structures, sudden roll disappearance, and gliding.
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U2 - 10.1103/PhysRevLett.68.1846
DO - 10.1103/PhysRevLett.68.1846
M3 - Article
AN - SCOPUS:0001104678
SN - 0031-9007
VL - 68
SP - 1846
EP - 1849
JO - Physical review letters
JF - Physical review letters
IS - 12
ER -