Derivatives of complex eigenvectors using Nelson's method

被引:90
作者
Friswell, MI [1 ]
Adhikari, S
机构
[1] Univ Coll Swansea, Dept Mech Engn, Swansea SA2 8PP, W Glam, Wales
[2] Univ Cambridge, Dept Engn, Cambridge CB2 1PZ, England
关键词
D O I
10.2514/2.907
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
A method to calculate the derivatives of eigenvalues and eigenvectors for systems with nonproportional damping is presented. Nelson's method is used, which has the advantage that only the eigenvectors of interest are required.
引用
收藏
页码:2355 / 2357
页数:3
相关论文
共 7 条
[1]   SENSITIVITY ANALYSIS OF DISCRETE STRUCTURAL SYSTEMS [J].
ADELMAN, HM ;
HAFTKA, RT .
AIAA JOURNAL, 1986, 24 (05) :823-832
[2]   Rates of change of eigenvalues and eigenvectors in damped dynamic system [J].
Adhikari, S .
AIAA JOURNAL, 1999, 37 (11) :1452-1458
[3]   RATES OF CHANGE EIGENVALUES AND EIGENVECTORS [J].
FOX, RL ;
KAPOOR, MP .
AIAA JOURNAL, 1968, 6 (12) :2426-&
[4]   Resonance frequencies of viscously damped structures [J].
Friswell, MI ;
Lees, AW .
JOURNAL OF SOUND AND VIBRATION, 1998, 217 (05) :950-959
[5]  
LANCASTER P, 1966, LAMBDA MATRICES VIBR, P127
[6]   Natural frequency and mode shape sensitivities of damped systems: Part I, Distinct natural frequencies [J].
Lee, IW ;
Kim, DO ;
Jung, GH .
JOURNAL OF SOUND AND VIBRATION, 1999, 223 (03) :399-412
[7]   SIMPLIFIED CALCULATION OF EIGENVECTOR DERIVATIVES [J].
NELSON, RB .
AIAA JOURNAL, 1976, 14 (09) :1201-1205