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Spurious modes in Extended RPA theories

✍ Scribed by M. Tohyama; P. Schuck


Book ID
111617678
Publisher
Springer
Year
2004
Tongue
English
Weight
231 KB
Volume
19
Category
Article
ISSN
1434-601X

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πŸ“œ SIMILAR VOLUMES


Sum rules in extended RPA theories
✍ S. Adachi; E. Lipparini πŸ“‚ Article πŸ“… 1988 πŸ› Elsevier Science 🌐 English βš– 672 KB
Spurious modes in two-dimensional isopar
✍ N. BiΔ‡caniΔ‡; E. Hinton πŸ“‚ Article πŸ“… 1979 πŸ› John Wiley and Sons 🌐 English βš– 555 KB

The reasons for the presence of spurious modes in plane isoparametric elements are examined. Eigenvalue and eigenvector analyses of stiffness matrices for single elements and unconstrained and constrained meshes reveal the types of mechanisms and near-mechanisms that can be expected when reduced or