Abstract
In this paper, a new type of nonlinear hysteretic model for MRE is proposed. Natural frequency is introduced to the hysteretic model to offset the influence of the loading rate on the hysteresis loop. A kind of developed multi-scale method is proposed to solve the natural frequency under strong nonlinear conditions. Based the new hysteretic model, the dynamic characteristics of a MRE sandwich plate with four sides simply supported and by the in-plane stochastic load are discussed. The simulation results show that the new hysteretic model is hardly affected by the loading rate and should be an ideal model for viscoelastic materials; there are abundant types of stochastic bifurcation in the system.
© 2021 Elsevier B.V. All rights reserved.
© 2021 Elsevier B.V. All rights reserved.
| Original language | English |
|---|---|
| Article number | 130176 |
| Journal | Materials Letters |
| Volume | 301 |
| Online published | 2 Jun 2021 |
| DOIs | |
| Publication status | Published - 15 Oct 2021 |
| Externally published | Yes |
Bibliographical note
Publisher Copyright:© 2021 Elsevier B.V.
Funding
This work was supported by National Natural Science Foundation of China [11872266, 51875396, 12021002].
Research Keywords
- Magnetorheological elastomer (MRE)
- Nonlinear hysteretic model
- Sandwich plate
- Stochastic bifurcation
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