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Mechanics of Advanced Materials and Structures Volume 26, 2019 - Issue 5
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Original Articles

Vibration analysis of sandwich plates with lattice truss core

Zhenkun GuoBeijing Key Laboratory of Nonlinear Vibrations and Strength of Mechanical Structures, College of Mechanical Engineering, Beijing University of Technology, Beijing, China
,
Chunchuan LiuDepartment of Mechanics, College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, ChinaCorrespondence[email protected]
&
Fengming LiBeijing Key Laboratory of Nonlinear Vibrations and Strength of Mechanical Structures, College of Mechanical Engineering, Beijing University of Technology, Beijing, China;Department of Mechanics, College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, ChinaCorrespondence[email protected]
Pages 424-429 | Received 01 Feb 2017, Accepted 23 Sep 2017, Published online: 05 Dec 2017
 
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ABSTRACT

An effective methodology is developed to investigate the vibration of the sandwich plate with pyramidal lattice core. Equation of motion of lattice sandwich plate is established by Hamilton's principle. Displacement fields are expressed with a simple method, and the natural frequencies of the lattice sandwich plate are conveniently calculated. The correctness of the analytical method is verified by comparing the present results with published literatures. The effects of structural and material parameters on the vibration characteristics of lattice sandwich plate are analyzed. The present method will be useful for vibration analysis and design of lattice sandwich plates.

Funding

This research is supported by the National Natural Science Foundation of China (Nos. 11572007, 11402067 and 11172084).

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