AN IMPROVED DYNAMIC STIFFNESS METHOD AND MODAL-ANALYSIS FOR BEAM-LIKESTRUCTURES

Authors
CHEN SL GERADIN M LAMINE E
Citation
Sl. Chen et al., AN IMPROVED DYNAMIC STIFFNESS METHOD AND MODAL-ANALYSIS FOR BEAM-LIKESTRUCTURES, Computers & structures, 60(5), 1996, pp. 725-731
Citations number
14
Categorie Soggetti
Computer Sciences","Computer Application, Chemistry & Engineering","Computer Science Interdisciplinary Applications","Engineering, Civil
Journal title
Computers & structures → ACNP
ISSN journal
00457949
Volume
60
Issue
5
Year of publication
1996
Pages
725 - 731
Database
ISI
SICI code
0045-7949(1996)60:5<725:AIDSMA>2.0.ZU;2-J
Abstract
An improved procedure of the dynamic stiffness method is proposed in t his paper. In the procedure, a one-dimensional substructure can be red uced to an equivalent element. In this way, the dimension of the globa l matrix is reduced greatly. In addition, a beam-like structure may be modeled with arbitrarily selected degrees of freedom. The application of the method to model reduction, evaluations of modal parameters, ca lculation of forced responses and identification of dynamic forces are discussed.