Wave propagation of graphene platelets reinforced metal foams circular plates

被引：22
作者：
Gan, Lei-Lei [1 ]
Xu, Jia-Qin [1 ]
She, Gui-Lin [1 ]
机构：
[1] Chongqing Univ, Coll Mech & Vehicle Engn, Chongqing 400044, Peoples R China
来源：
STRUCTURAL ENGINEERING AND MECHANICS | 2023年 / 85卷 / 05期
关键词：
circular plate; graphene platelets reinforced metal foams; metal foams; phase velocity; group velocity; wave propagation; NONLINEAR FREE-VIBRATION; PIPES; BEAMS;
D O I：
10.12989/sem.2023.85.5.645
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Based on first -order shear deformation theory, a wave propagation model of graphene platelets reinforced metal foams (GPLRMFs) circular plates is built in this paper. The expressions of phase -/group- velocities and wave number are obtained by using Laplace integral transformation and Hankel integral transformation. The effects of GPLs pattern, foams distribution, GPLs weight fraction and foam coefficient on the phase and group velocity of GPLRMFs circular plates are discussed in detail. It can be inferred that GPLs distribution have great impacts on the wave propagation problems, and Porosity -I type distribution has the largest phase velocity and group velocity, followed by Porosity -III, and finally Porosity -II; With the increase of the GPLs weight fraction, the phase- and group- velocities for the GPLRMFs circular plate will be increased; With the increase of the foam coefficient, the phase- and group- velocities for the GPLRMFs circular plate will be decreased.
引用
收藏
页码：645 / 654
页数：10
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