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Application of ritz vectors for dynamic analysis of large structures

✍ Scribed by R.R. Arnold; R.L. Citerley; M. Chargin; D. Galant

Publisher: Elsevier Science
Year: 1985
Tongue: English
Weight: 644 KB
Volume: 21
Category: Article
ISSN: 0045-7949
DOI: 10.1016/0045-7949(85)90123-3

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A Ritz vector approach is used to develop new formulations for evaluating the static and the dynamic characteristics of rectangular plates with edge beams. Unlike previous studies in which stiffness coefficients with specified distributions along the plate edges are used to represent the effect of e

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## 1.  A new method is presented that retains all the advantages of the more elaborate existing Rayleigh-Ritz methods such as the revised approach presented by Jen et al. [1], but with two additional important advantages. The first advantage is related to simplicity of order reduction

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The Ritz-Wilson technique is extended for the dynamic analysis of cyclic symmetric structures in the semi-complex domain. The load participation factor, eigenspectrum and force error norm for the present technique are studied, and the accuracy and efficiency are compared with those for the modal dis