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AIRCRFTB.SIF
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AIRCRFTB.SIF
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***************************
* SET UP THE INITIAL DATA *
***************************
NAME AIRCRFTB
* 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 SXR2-RN-8-0
* Values for the controls
* 1) Elevator
RE ELVVAL -0.05
* 2) Aileron
RE AILVAL 0.1
* 3) Rudder deflection
RE RUDVAL 0.0
VARIABLES
ROLLRATE
PITCHRAT
YAWRATE
ATTCKANG
SSLIPANG
ELEVATOR
AILERON
RUDDERDF
GROUPS
N G1 ROLLRATE -3.933 PITCHRAT 0.107
N G1 YAWRATE 0.126 SSLIPANG -9.99
N G1 AILERON -45.83 RUDDERDF -7.64
N G2 PITCHRAT -0.987 ATTCKANG -22.95
N G2 ELEVATOR -28.37
N G3 ROLLRATE 0.002 YAWRATE -0.235
N G3 SSLIPANG 5.67
N G3 AILERON -0.921 RUDDERDF -6.51
N G4 PITCHRAT 1.0 ATTCKANG -1.0
N G4 ELEVATOR -1.168
N G5 YAWRATE -1.0 SSLIPANG -0.196
N G5 AILERON -0.0071
BOUNDS
FR AIRCRFTB 'DEFAULT'
* Fix the controls
ZX AIRCRFTB ELEVATOR ELVVAL
ZX AIRCRFTB AILERON AILVAL
ZX AIRCRFTB RUDDERDF RUDVAL
START POINT
XV AIRCRFTB 'DEFAULT' 0.0
Z AIRCRFTB ELEVATOR ELVVAL
Z AIRCRFTB AILERON AILVAL
Z AIRCRFTB RUDDERDF RUDVAL
ELEMENT TYPE
EV 2PR X Y
ELEMENT USES
XT '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
V E3C X PITCHRAT
V E3C Y ATTCKANG
V E4 X ROLLRATE
V E4 Y SSLIPANG
V E5 X ROLLRATE
V E5 Y ATTCKANG
GROUP TYPE
GV L2 GVAR
GROUP USES
XT 'DEFAULT' L2
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 E3C 1.132
E G4 E4 -1.0
E G5 E5
OBJECT BOUND
LO AIRCRFTB 0.0
* Solution
*LO SOLTN 6.4099D-02
ENDATA
***********************
* SET UP THE FUNCTION *
* AND RANGE ROUTINES *
***********************
ELEMENTS AIRCRFTB
INDIVIDUALS
* Weighted product
T 2PR
F X * Y
G X Y
G Y X
H X Y 1.0
ENDATA
*********************
* SET UP THE GROUPS *
* ROUTINE *
*********************
GROUPS AIRCRFTB
INDIVIDUALS
T L2
F GVAR * GVAR
G GVAR + GVAR
H 2.0
ENDATA