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Confined modes in two-dimensional tubes

✍ Scribed by Londergan, J. T.; Murdock, D. P.


Book ID
118119471
Publisher
American Institute of Physics
Year
2012
Tongue
English
Weight
877 KB
Volume
80
Category
Article
ISSN
0002-9505

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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