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AIRCRFTA.SIF
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AIRCRFTA.SIF
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***************************
* SET UP THE INITIAL DATA *
***************************
NAME AIRCRFTA
* Problem :
* *********
* The aircraft stability problem by Rheinboldt, as a function
* of the elevator, aileron and rudder deflection controls.
* Source: Problem 9 in
* J.J. More',"A collection of nonlinear model problems"
* Proceedings of the AMS-SIAM Summer Seminar on the Computational
* Solution of Nonlinear Systems of Equations, Colorado, 1988.
* Argonne National Laboratory MCS-P60-0289, 1989.
* SIF input: Ph. Toint, Dec 1989.
* classification NOR2-RN-8-5
* Values for the controls
* 1) Elevator
RE ELVVAL 0.1
* 2) Aileron
RE AILVAL 0.0
* 3) Rudder deflection
RE RUDVAL 0.0
VARIABLES
ROLLRATE
PITCHRAT
YAWRATE
ATTCKANG
SSLIPANG
ELEVATOR
AILERON
RUDDERDF
GROUPS
E G1 ROLLRATE -3.933 PITCHRAT 0.107
E G1 YAWRATE 0.126 SSLIPANG -9.99
E G1 AILERON -45.83 RUDDERDF -7.64
E G2 PITCHRAT -0.987 ATTCKANG -22.95
E G2 ELEVATOR -28.37
E G3 ROLLRATE 0.002 YAWRATE -0.235
E G3 SSLIPANG 5.67
E G3 AILERON -0.921 RUDDERDF -6.51
E G4 PITCHRAT 1.0 ATTCKANG -1.0
E G4 ELEVATOR -1.168
E G5 YAWRATE -1.0 SSLIPANG -0.196
E G5 AILERON -0.0071
BOUNDS
* defaults = free variables
FR AIRCRFTA 'DEFAULT'
* Fix the controls
ZX AIRCRFTA ELEVATOR ELVVAL
ZX AIRCRFTA AILERON AILVAL
ZX AIRCRFTA RUDDERDF RUDVAL
START POINT
XV AIRCRFTA 'DEFAULT' 0.0
Z AIRCRFTA ELEVATOR ELVVAL
Z AIRCRFTA AILERON AILVAL
Z AIRCRFTA RUDDERDF RUDVAL
ELEMENT TYPE
EV 2PR X Y
ELEMENT USES
T 'DEFAULT' 2PR
V E1A X PITCHRAT
V E1A Y YAWRATE
V E1B X YAWRATE
V E1B Y ATTCKANG
V E1C X ATTCKANG
V E1C Y SSLIPANG
V E1D X PITCHRAT
V E1D Y ATTCKANG
V E2A X ROLLRATE
V E2A Y YAWRATE
V E2B X ROLLRATE
V E2B Y SSLIPANG
V E3A X ROLLRATE
V E3A Y PITCHRAT
V E3B X ROLLRATE
V E3B Y ATTCKANG
GROUP USES
E G1 E1A -0.727 E1B 8.39
E G1 E1C -684.4 E1D 63.5
E G2 E2A 0.949 E2B 0.173
E G3 E3A -0.716 E3B -1.578
E G3 E1D 1.132
E G4 E2B -1.0
E G5 E3B
ENDATA
***********************
* SET UP THE FUNCTION *
* AND RANGE ROUTINES *
***********************
ELEMENTS AIRCRFTA
INDIVIDUALS
* Product of two variables
T 2PR
F X * Y
G X Y
G Y X
H X Y 1.0
ENDATA