By directly solving the Navier equations of elasticity, we obtain the discrete Cosserat eigenvalues and eigenvectors for the ®rst boundary value problem of a cylindrical shell. The discrete Cosserat spectrum approaches õ n À2 from both õ n `À 2 and õ n b À2 sides. It also reduces to a condensation p
The Cosserat spectrum for cylindrical geometries: (Part 2: ũ−1 subspace and applications)
✍ Scribed by W. Liu; X. Markenscoff
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 182 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0020-7683
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✦ Synopsis
We construct the orthonormal bases of the Cosserat subspace Ä u À1 corresponding to the eigenvalue of in®nite multiplicity õ À1 for the ®rst boundary value problems of elasticity for a solid cylinder and a cylindrical rigid inclusion. These bases involve the Jacobi polynomials with dierent weight functions. An example of non-harmonic heat ¯ow past a cylindrical rigid inclusion shows that the sequence of Ä u À1 converges fast, thus, the Cosserat spectrum theory is an ecient method for solving elasticity problems of general body force or boundary loading.
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