REFERENCES
- A. Berman , E. J. Nagy ., Improvement of a large analytical model using test data , AIAA J. 21 ( 8 ) p1168– p ( 1983 ).
- L. Bugeat , R. Fillod , G. Lallement ,J. Piranda., Adjustment of a conservative non gyroscopic mathematical model from measurement , Shock Vib. Bull. Part 3 p71– p ( 1978 ).
- Roy R. Craig Jr. ,, Structural Dynamics , John Wiley and Sons , New York , 1976 .
- S. R. Ibrahim ., Computation of normal modes from identified complex modes , AIAA J. 21 ( 3 ) p446– p ( 1983 ).
- R. Fillod , G. Lallement ,Q. Zhang., Passage des solutions propres complexes aux solutions propres de la structure conservative associeée , Meécanique Mat. Elect. , 404 p18– p ( 1984 ).
- Q. Zhang , G. Lallement . , New method of determining the eigensolutions of the associated conservative structure from the identified eigensolutions . Proceedings of 3rd IMAC , Orlando , Florida , pp. |pp322– 328, 1986 .
- Q. Zhang , G. Lallement ., Simultaneous determination of normal eigenmodes and generalized damping matrix from complex eigenmodes . Proceedings of 2nd Int. Conf. Aeroelasticity , Aachen , West Germany , pp. p529– p, 1985 .
- Q. Zhang , G. Lallement ., Comparison of normal eigenmodes calculation methods based on identified complex eigenmodes , 10th Modal Analysis Seminar , Katholieke University , Leuven , Belgium , 1985 .
- G. C. Hart , D. Collins ., Study of modeling of substructure damping matrices , Nat. Eng. Manuf. Meeting , San Diego , California , 1972 .
- T. K. Hasselman ., Modal coupling in lightly damped structure , AIAA J. 14 ( 11 ) pp. p627– p ( 1976 ).
- G. B. Warburton , S. R. Soni ., Errors in response calculations for non-classically damped structures , Earthquake Eng. Struct. Dyna . 5 , ( 1977 ).
- G. Coupry ., Mesure des amortissements geéneéraliseés non diagonaux d'une structure lords'un Essai au Sol de Vibrations , La Recherche Aeérospatiale , 4 , 1977 .
- R. Fillod , G. Lallement , J. Piranda ,J. L. Raynaud., Global method of modal identification , Proceedings of 3rd IMAC , Orlando , Florida , pp. p1145– p, 1986 .
- S. R. Ibrahim , E. C. Mikulcik ., A method for the determination of vibration parameters from free responses . Shock Vib. Bull. 47 ( 4 ) 183– ( 1977 ).
- M. Athans ., The matrix minimum principle . Inform. Contr. 11 p592– p ( 1968 ).
- Q. Zhang , G. Lallement ,R. Fillod., Modal identification of self-adjoint and non self-adjoint structures by additional masses techniques , ASME Design Eng. Division Conf. Mech. Vib. and Noise , 85 DET-109, 1985 .
- COMMUNICATED BY J. T. P. YAO