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Example:
Frictionless air flow in the vicinity of an aircraft.
The flow equations in Eulerian formulation reduce to
Euler derivative: laboratory-fixed coordinate system;
at a fixed point in space
Lagrange derivative: properties of a volume element
that is moving along with the flow;
Lagrange form of the flow equations:
where the last equation may be written
(see 8.4),
|
(8.11) |
Subsections
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Up: 8. Hydrodynamics
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Franz J. Vesely Oct 2005
See also: "Computational Physics - An Introduction," Kluwer-Plenum 2001