Exact solutions for forced vibration of completely free orthotropic rectangular nanoplates resting on viscoelastic foundation
Exact solutions for forced vibration of completely free orthotropic rectangular nanoplates resting on viscoelastic foundation
复制标题
粘弹性基础上完全自由正交各向异性矩形纳米板受迫振动的精确解
DOI:
10.1016/j.euromechsol.2018.06.007
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Xu Xinsheng
中科院分区:
文献类型:
--
作者:
Fan Junhai;Rong Dalun;Zhou Zhenhuan;Xu Chenghui;Xu Xinsheng
Exact solutions for forced vibration of completely free orthotropic rectangular nanoplates resting on viscoelastic foundations are obtained by an analytical Hamiltonian-based method. Eringen's nonlocal theory is employed to take into account the small size effect. In the present method, a Hamiltonian system for the vibration of the orthotropic rectangular nanoplate is established by introducing a new total unknown vector. The vibration analysis is reduced to an eigenproblem in the symplectic space. Closed-form solutions of the completely free nanoplate are derived by using the solution of a guided supported nanoplate and a superposition of boundaries. Numerical examples including comparison studies are presented to illustrate the efficiency and accuracy of the proposed method. A detailed parametric study and some new results are provided also.
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