Vibration and dynamic analysis of a cantilever sandwich microbeam integrated with piezoelectric layers based on strain gradient theory and surface effects

作者：

Highlights：

• Dynamic analysis of sandwich composite micro beam are investigated.

• The partial differential equation of motion is obtained using Hamilton's principle.

• The effect of various material length scales are taken into account.

• The obtained results are compared with the results available in the literature.

• The free vibrational frequency increases with decreasing the length to thickness ratio.

摘要

•Dynamic analysis of sandwich composite micro beam are investigated.•The partial differential equation of motion is obtained using Hamilton's principle.•The effect of various material length scales are taken into account.•The obtained results are compared with the results available in the literature.•The free vibrational frequency increases with decreasing the length to thickness ratio.

论文关键词：Multi-layer smart sandwich composite microbeam,Size-dependent,Dynamic response,Strain gradient theory,Surface stress effects

论文评审过程：Received 17 May 2021, Revised 17 October 2021, Accepted 10 December 2021, Available online 22 December 2021, Version of Record 22 December 2021.

论文官网地址：https://doi.org/10.1016/j.amc.2021.126867