Nonlinear impulsive and vibration analysis of nonlocal FG-CNT reinforced sandwich plate by considering agglomerations

2021 ◽  
pp. 104485
Author(s):  
Xiufang Zhu ◽  
Hong Zhang ◽  
Guoxing Lu ◽  
Hongyuan Zhou
Keyword(s):  
Vibration Analysis ◽  
Sandwich Plate

scholarly journals On the Modeling of Periodic Sandwich Structures with the Use of the Broken Line Hypothesis

2020 ◽  
Vol 22 (3) ◽  
pp. 761-774 ◽  
Author(s):  
Jakub Marczak
Keyword(s):  
Vibration Analysis ◽  
Sandwich Plate ◽  
Equations Of Motion ◽  
Free Vibration Analysis ◽  
System Of Equations ◽  
Governing Equations ◽  
Fem Model ◽  
Constant Coefficients ◽  
Plate Strip ◽  
Periodic Plate

AbstractIn this paper a dynamic analysis of sandwich plate with a certain periodic microstructure is considered. The initial system of governing equations is derived basing on the classic broken line hypothesis. As a result of transformations one can obtain a system of three differential equations of motion with periodic, highly oscillating and non-continuous coefficients. In order to derive a system of equations with constant coefficients tolerance averaging technique is applied. Eventually, in the calculation example a free vibration analysis of certain periodic plate strip is performed with the use of both the derived model and a FEM model. It can be observed that the consistency of obtained results is highly dependent on the calculation assumptions.

Split Rigidity Method for Analysis of Two-Way Orthogonal-Diagonal Double-Layer Space Grids Structure

2011 ◽  
Vol 71-78 ◽  
pp. 306-309
Author(s):  
Wen Yang Liu ◽  
Wen Fu Zhang
Keyword(s):  
Static Analysis ◽  
Double Layer ◽  
Vibration Analysis ◽  
Natural Vibration ◽  
Sandwich Plate ◽  
Traditional Theory ◽  
Plate Method ◽  
Simplified Method ◽  
Generalized Displacements ◽  
Shearing Deformation

In this paper two-way orthogonal-diagonal double-layer space grids structure is assumed as equivalent sandwich plate, and has been analyzed by the non-traditional theory of plate with three generalized displacements, in which shearing deformation is considered. Based upon the split rigidity method, static analysis and natural vibration analysis of two-way orthogonal-diagonal double-layer space grids structure has been studied and the simplified formulas are given out. The comparison with the results of equivalent sandwich plate method shows that as a more simplified method, split rigidity method is as accurate as equivalent sandwich plate method.

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