A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Free and Forced Vibration Characteristics of Functionally Graded Sandwich Beam with GPL-Reinforced Porous Core
In this report, the dynamic response of a functionally graded graphene platelets porous (FGP-GPL) sandwich beam composed of two functionally graded material (FGM) face sheets and an FG porous core reinforced with graphene platelets is investigated. Uniform/non-uniform distribution patterns of internal pores and GPLs along the thickness direction are considered. The governing equations are derived from Lagrange’s equations in the framework of quasi-3D beam theory. Ritz method based on polynomial trial functions is utilized to discretize the equilibrium equations into a matrix form and then solved by Newmark's constant average acceleration method to obtain the time-dependent response. The accuracy of the presented methodology is confirmed by comparison with analytical solution and with results available in the open literature. Parametric studies are conducted to highlight the effect of porosity coefficient, porosity and GPL distribution patterns, volume fraction index, GPL weight fraction, boundary supports on the dynamic characteristics of the sandwich beam.
Free and Forced Vibration Characteristics of Functionally Graded Sandwich Beam with GPL-Reinforced Porous Core
In this report, the dynamic response of a functionally graded graphene platelets porous (FGP-GPL) sandwich beam composed of two functionally graded material (FGM) face sheets and an FG porous core reinforced with graphene platelets is investigated. Uniform/non-uniform distribution patterns of internal pores and GPLs along the thickness direction are considered. The governing equations are derived from Lagrange’s equations in the framework of quasi-3D beam theory. Ritz method based on polynomial trial functions is utilized to discretize the equilibrium equations into a matrix form and then solved by Newmark's constant average acceleration method to obtain the time-dependent response. The accuracy of the presented methodology is confirmed by comparison with analytical solution and with results available in the open literature. Parametric studies are conducted to highlight the effect of porosity coefficient, porosity and GPL distribution patterns, volume fraction index, GPL weight fraction, boundary supports on the dynamic characteristics of the sandwich beam.
Free and Forced Vibration Characteristics of Functionally Graded Sandwich Beam with GPL-Reinforced Porous Core
Lecture Notes in Civil Engineering
Geng, Guoqing (editor) / Qian, Xudong (editor) / Poh, Leong Hien (editor) / Pang, Sze Dai (editor) / Hung, Tran Quang (author) / Duc, Do Minh (author) / Tu, Tran Minh (author)
Proceedings of The 17th East Asian-Pacific Conference on Structural Engineering and Construction, 2022 ; Chapter: 114 ; 1432-1452
2023-03-14
21 pages
Article/Chapter (Book)
Electronic Resource
English
Graphene platelets , Free and forced vibration , Functionally graded porous sandwich beam , Ritz method Engineering , Building Construction and Design , Structural Materials , Solid Mechanics , Sustainable Architecture/Green Buildings , Light Construction, Steel Construction, Timber Construction , Offshore Engineering
Nonlinear free vibration of shear deformable sandwich beam with a functionally graded porous core
| Online Contents | 2016
Higher order free vibration of sandwich curved beams with a functionally graded core
| British Library Online Contents | 2014