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Foundation ::
Aerodynamics Applications ::
AERO2S
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AERO2S
Subsonic Aerodynamic Analysis of Wings with Leading- and Trailing-Edge Flaps in Combination with Canard Or Horizontal Tail Surfaces
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Moderators:
Adopt This Application!
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SOURCE CODE AVAILABLE
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AERO2S was developed to aid design engineers in the selection and
evaluation of aerodynamically efficient wing-canard and wing-horizontaltail
configurations that may employ simple hinged-flap systems. Rapid estimates
of the longitudinal aerodynamic characteristics of conceptual airplane
lifting surface arrangements are provided.
The method is particularly
well suited to configurations which, because of high speed flight
requirements, must employ thin wings with highly swept leading edges. The
code is applicable to wings with either sharp or rounded leading edges.
The
code provides theoretical pressure distributions over the wing, the canard
or horizontal tail, and the deflected flap surfaces as well as estimates
of the wing lift, drag, and pitching moments which account for attainable
leading edge thrust and leading edge separation vortex forces.
The wing planform information is specified by a series of leading edge
and trailing edge breakpoints for a right hand wing panel. Up to 21 pairs of
coordinates may be used to describe both the leading edge and the trailing
edge. The code has been written to accommodate 2000 right hand panel elements,
but can easily be modified to accommodate a larger or smaller number
of elements depending on the capacity of the target computer platform.
The
code provides solutions for wing surfaces composed of all possible combinations
of leading edge and trailing edge flap settings provided by the original
deflection multipliers and by the flap deflection multipliers. Up to 25
pairs of leading edge and trailing edge flap deflection schedules may thus
be treated simultaneously.
The code also provides for an improved accounting of hinge-line singularities
in determination of wing forces and moments. To determine lifting
surface perturbation velocity distributions, the code provides for a maximum
of 70 iterations.
The program is constructed so that successive runs
may be made with a given code entry. To make additional runs, it is necessary
only to add an identification record and the namelist data that are to
be changed from the previous run.
AERO2S carries the NASA case number LAR-14178. It was originally released as part of the NASA COSMIC collection.
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