Abstract
Free vibration problems of lattice sandwich beams under several typical boundary conditions are investigated in the present paper. The lattice sandwich beam is transformed to an equivalent homogeneous three-layered sandwich beam. Unlike the traditional analytical model in which the rotation angles of the face sheets and the core are assumed the same, different rotation angles are considered in this paper to characterize the real response of sandwich beams. The analytical solutions of the natural frequencies for several typical boundary conditions are obtained. The effects of material properties and geometric parameters on the natural frequencies are also investigated.
| Original language | English |
|---|---|
| Pages (from-to) | 458-467 |
| Number of pages | 10 |
| Journal | Acta Mechanica Solida Sinica |
| Volume | 26 |
| Issue number | 5 |
| DOIs | |
| State | Published - Oct 2013 |
Keywords
- analytical method
- beam
- composites
- lattice materials
- vibration
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