Effect of porosity distribution on free vibration of functionally graded sandwich plate using the P-version of the finite element method

被引：100

作者：

Bentrar, Hakim ^{[1
]}

Chorfi, Sidi Mohammed ^{[1
]}

Belalia, Sid Ahmed ^{[1
]}

Tounsi, Abdelouahed ^{[2
,3
,4
]}

Ghazwani, Mofareh Hassan ^{[5
]}

Alnujaie, Ali ^{[5
]}

机构：

[1] Univ Tlemcen, Fac Technol, Dept Mech Engn, Lab Computat Mech, Tilimsen, Algeria

[2] Ho Chi Minh City Open Univ, Ctr Engn Applicat & Technol Solut, Ho Chi Minh, Vietnam

[3] King Fahd Univ Petr & Minerals, Dept Civil & Environm Engn, Dhahran 31261, Eastem Province, Saudi Arabia

[4] Lebanese Amer Univ, Dept Civil & Environm Engn, 309 Bassil Bldg, Byblos, Lebanon

[5] Jazan Univ, Fac Engn, Dept Mech Engn, POB 45124, Jazan 45124, Saudi Arabia

来源：

STRUCTURAL ENGINEERING AND MECHANICS | 2023年 / 88卷 / 06期

关键词：

FGM sandwich plate; free vibration analysis; p-finite element method; porosities distribution; FGM PLATES; BEHAVIOR;

D O I：

10.12989/sem.2023.88.6.551

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this work, the free vibration analysis of functionally graded material (FGM) sandwich plates with porosity is conducted using the p-version of the finite element method (FEM), which is based on the first-order shear deformation theory (FSDT). The sandwich plate consists of two face-sheet layers of FGM and a homogeneous core layer. The obtained results are validated using convergence and comparison studies with previously published results. Five porosities distribution models of FGM sandwich plates are assumed and analyzed. The effect of the thickness ratio, boundary conditions, volume fraction exponents, and porosity coefficients of the top and bottom layers of FGM sandwich plates on the natural frequency are addressed.

引用

页码：551 / 567

页数：17

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