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Eikonal equation
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Continuum mechanics
Elasticity
Elastic-wave energy flux
Wavevector
Hamiltonian ray-tracing equations
WKB method
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The leading WKB phase obeys an eikonal equation. For a local dispersion relation
ω
=
Ω
(
k
;
x
,
t
)
and
k
=
∇
θ
, it is
−
∂
t
θ
=
Ω
(
∇
θ
;
x
,
t
)
.
(19)
Ancestors
(9)
WKB method
Hamiltonian ray-tracing equations
Wavevector
Elastic-wave energy flux
Elasticity
Continuum mechanics
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