Vibration analysis of functionally graded porous plates resting on Kerr elastic foundations
Tác giả: Nguyễn Văn Long, Trần Minh Tú, Lê Thanh Hải, Phan Xuân Thục.
Conference on Advances in Civil Engineering (ICACE 2022) Vinh University, Vietnam
Quyển: Tập 1 Trang: 150-158
Năm xuất bản: 5/2022
Tóm tắt
This paper presents the free vibration analysis of functionally graded porous materials (FGPMs)
plates,intheframeworkofclassicalplatetheory(CPT).TheplateisrestedonKeer’selasticfoundationwiththe
three-parameter elastic model. Functional graded porous material, in particular, open-cell metal foam with
porositiesthatvarysmoothlyalongthicknessdirectionaccordingtothreeporositydistributionpatterns:uniform,
nonuniform symmetric and nonuniform asymmetric are considered. Based on Hamilton’s principle, the
equationsofmotionarederived.Thenumericalexamplesareperformedandcomparedwiththoseavailablein
theliteraturetoshowtheaccuracyofthepresentresults.Theeffectofporositycoefficient,porositydistribution
patterns,geometricalandKerrelasticfoundationparametersonnaturalfrequenciesareinvestigated
Từ khóa
Vibrationanalysis,functionallygradedporousplate,classicalplatetheory,Kerrelasticfoundations.
