Analysis of nonlinear dynamic response of functionally graded material plates under the influence of separation effects
Source abstract
Abstract
A nonlinear vibration model of functionally graded material (FGM) plates with planar cracks was established. The plate was divided into four sub-regions according to the planar crack area. Based on the Lagrangian dynamics equation, the nonlinear dynamic equation of the FGM plate with cracks considering the contact effect was derived. The nonlinear dynamic response of the FGM plate with cracks was explored. It is found that when the crack length is greater than or equal to 0.4a, the upper and lower sub-plates in the crack region show significant opening and closing during vibration. Under the action of transverse external loads, the contact effect between the upper and lower sub-plates of the planar crack would lead to complex nonlinear dynamic responses.
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Research context
OpenAlex topics: Composite Structure Analysis and Optimization · Bladed Disk Vibration Dynamics · Nonlocal and gradient elasticity in micro/nano structures
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Guangdong Mechanical and Electrical Polytechnic 1 , Guangzhou 510515,
China Electronic Product Reliability and Environmental Testing Research Institute 2 , Guangzhou 511370,
Ministry of Industry and Information Technology Key Laboratory of Industrial Software Engineering Application Technology 3 , Guangzhou 511370,
Beijing Institute of Structure and Environment Engineering 4 , Beijing 100076,
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