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Browsing by Author Dinh Kien, Nguyen

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Showing results [1 - 2] / 2
    • Geometrically Nonlinear Behaviour of Functionally Graded Beam and Frame Structures Under Mechanical Loading
    Authors: Thi Thu Hoai, Bui; Thi Thu Huong, Tran; Dinh Kien, Nguyen;  Advisor: -;  Co-Author: - (2022)

    Geometrically nonlinear behavior of functionally graded (FG) beam and frame structures under mechanical loading is studied in this paper using the finite element method. The structures are made of a mixture of ceramic and metal with material properties varying in the thickness direction by a power distribution law. Based on the first-order shear deformation theory, a nonlinear beam element is derived and used in conjunction with Newton-Raphson method to compute deflected curves of the beams. Numerical investigations are carried out in detail to highlight the influence of the material distribution on the nonlinear behavior of the beams.
    • Large deflections of functionally graded sandwich beams with influence of homogenization schemes
    Authors: Dinh Kien, Nguyen; Thi Thu Hoai, Bui; Thi Thu Huong, Tran; Sergei, Alexandrov;  Advisor: -;  Co-Author: - (2022)

    Functionally graded materials (FGMs) are increasingly used in sandwich construction to improve mechanical performance of structures. The effective material properties used in modelling FGM structures, however, are dependent on a chosen homogenization scheme. For the first time, the influence of different homogenization schemes on large deflections of dual-phase FGM sandwich beams is studied in this paper by using a nonlinear finite element procedure.