Third-order isogeometric analysis for vibration characteristics of FGP plates in the thermal environment supported by Kerr foundation

被引:16
作者
Vu, Ngoc Anh [1 ]
Pham, Thanh Dong [2 ]
Tran, Trung Thanh [3 ]
Pham, Quoc-Hoa [4 ]
机构
[1] Le Quy Don Tech Univ, Inst Tech Special Engn, Hanoi, Vietnam
[2] Le Quy Don Tech Univ, Fac Aerosp Engn, Hanoi, Vietnam
[3] Le Quy Don Tech Univ, Fac Mech Engn, Hanoi, Vietnam
[4] Nguyen Tat Thanh Univ, Fac Engn & Technol, Ho Chi Minh City, Vietnam
关键词
Isogeometric analysis; Functionally graded porous; Kerr foundation; Thermal environment; FUNCTIONALLY GRADED PLATES; MECHANICAL BEHAVIORS; RECTANGULAR-PLATES; BUCKLING ANALYSES; POROSITY; STRESS; NURBS; SHELLS; PANELS;
D O I
10.1016/j.csite.2023.102890
中图分类号
O414.1 [热力学];
学科分类号
摘要
This paper extends isogeometric analysis (IGA) based on third-order shear deformation theory (TSDT) for vibration analysis of functionally graded porous (FGP) plates in the thermal envi-ronment resting on Kerr foundation. IGA is based on non-uniform rational B-spline (NURBS) basic functions, so it can represent exact geometry and satisfy higher-order approximation (C1 continuous function) conditions of TSDT. This combination ensures high accuracy, including transverse shear deformation, without having to use any correction factors. The temperature field via the plate thickness satisfies the steady-state heat transfer equation. The governing equations are derived from Hamilton's principle. Then, numerical examples are conducted to validate the effectiveness of the proposed method. Finally, the effects of geometrical parameters, material properties, boundary conditions (BCs), temperature change and foundation stiffness on the thermal vibration of FGP plates are fully considered.
引用
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页数:16
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