Dynamic stability of magnetorheological elastomer based adaptive sandwich beam with conductive skins using FEM and the harmonic balance method
| Autor: | Santosha K. Dwivedy, Biswajit Nayak, K.S.R.K. Murthy |
|---|---|
| Rok vydání: | 2013 |
| Předmět: |
Materials science
business.industry Mechanical Engineering Structural engineering Condensed Matter Physics Magnetorheological elastomer Dynamic load testing Finite element method Magnetic field Harmonic balance Mechanics of Materials General Materials Science Parametric oscillator Composite material business Electrical conductor Beam (structure) Civil and Structural Engineering |
| Zdroj: | International Journal of Mechanical Sciences. 77:205-216 |
| ISSN: | 0020-7403 |
| DOI: | 10.1016/j.ijmecsci.2013.09.010 |
| Popis: | The dynamic stability of a partially treated magnetorheological elastomer (MRE) cored sandwich beam with conductive skins subjected to time varying axial load has been studied. The finite element method (FEM) and Guyan reduction method are used to derive the governing equation of motion which is similar to that of Mathieu's equation. The instability regions of the sandwich beam for the principal parametric resonance case are calculated by using the harmonic balance method. Effects of applied magnetic field, static load, dynamic load, the length and the location of the MRE patch on the stability of the sandwich beam are investigated. The results suggest that the stability of the MRE embedded sandwich beams are strongly influenced by the strength of the applied magnetic field, static load, dynamic load, the location and the length of the MRE patch. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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