Physically Weighted Approximations of Unsteady Aerodynamic Forces Using the Minimum-state Method
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Numerical Application to the Active Flexible Wing Model
Appendix BThe MIST Computer Program
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absolute value Active Flexible actuator aero aeroelastic aeroservoelastic approximated aerodynamic approximation coefficients approximation constraints approximation roots closed-loop coefficient matrices computer program constraint options control modes control surface curve fits data complex data-match constraints DCM module dynamic pressure error function ERROR IN ITER ERROR IS ERROR flutter given in table gust column gust modes IM.DAT imation IMIST.DAT input files ISAC's ISTAB ITMAX jth column Karpel Langley Research Center Laplace least-squares matrix eq minimum-state approximation minimum-state method modal deflections mode term NASA NORM ns generalized structural ns x ns NSKIP number of aerodynamic number of iterations open-loop output files Parameters Record Description physical weighting rational function repeated RES.DAT sensor SPLANE.DAT SPLCOF.DAT state-space Subroutine TABAERO.DAT TABF.DAT tabulated aerodynamic matrices tabulated reduced frequency TAPE5 TAPE9 tion total approximation error transfer function unsteady aerodynamic force vector vibration modes wcut weight matrices weighted aerodynamic term yields