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Shearing-wave ansatz
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Branch of physics
Astrophysics
Astrophysical disk
Gravitational instability of an astrophysical disk
Shearing sheet
Shearing wave
2026-09-25
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The
shearing-wave
ansatz
writes
a
perturbation
as
a
time
-dependent
amplitude
times
exp
[
i
k
x
(
t
)
x
+
i
k
y
y
]
, choosing
k
x
(
t
)
so that background
advection
does not leave an explicit factor of
position
in the
amplitude
equations
.
Ancestors
(8)
Shearing wave
Shearing sheet
Gravitational instability of an astrophysical disk
Astrophysical disk
Astrophysics
Branch of physics
Physics
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Past exam of the mathematics course of the University of Cambridge
/
2024
/
iii
/
Paper 321
/
3
/
c
/
ii
/
Solution
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