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    • Analytical solutions for nonlinear vibration of porous functionally graded sandwich plate subjected to blast loading
    Authors: Tran, Quoc Quan; Do, Thi Thu Ha; Nguyen, DinhDuc;  Advisor: -;  Co-Author: - (2022)

    This paper presents the nonlinear vibration of porous functionally graded sandwich plate on elastic foundations subjected to blast loading by the analytical approach. The sandwich plate consists of two FGM face sheets and a homogeneous core which is made from metal or ceramic. Two types of porosity distribution, including evenly and unevenly distributed porosity have been considered for sandwich plate. The material properties of sandwich plate are assumed to vary in the thickness direction according to simple power law distribution with a volume fraction index and a porosity coefficient. The blast loading is assumed to be uniformly distributed on the surface of the sandwich plate and modeled by an exponential function. The Reddy’s higher order shear deformation theory with von Kármá...
    • Analytical solutions for nonlinear vibration of porous functionally graded sandwich plate subjected to blast loading
    Authors: Tran, Quoc Quan; Do, Thi Thu Ha; Nguyen, Dinh Duc;  Advisor: -;  Co-Author: - (2022)

    This paper presents the nonlinear vibration of porous functionally graded sandwich plate on elastic foundations subjected to blast loading by the analytical approach. The sandwich plate consists of two FGM face sheets and a homogeneous core which is made from metal or ceramic. Two types of porosity distribution, including evenly and unevenly distributed porosity have been considered for sandwich plate. The material properties of sandwich plate are assumed to vary in the thickness direction according to simple power law distribution with a volume fraction index and a porosity coefficient. The blast loading is assumed to be uniformly distributed on the surface of the sandwich plate and modeled by an exponential function. The Reddy’s higher order shear deformation theory with von Kármá...
    • Static buckling analysis and geometrical optimization of magneto-electro-elastic sandwich plate with auxetic honeycomb core
    Authors: Vu, Dinh Quang; Tran, Quoc Quan; Phuong,Tran;  Advisor: -;  Co-Author: - (2022)

    The nonlinear static buckling analysis of magneto-electro-elastic sandwich plate on Pasternak-type elastic foundations subjected to the mechanical, thermal, electric and magnetic loadings is presented in this paper. The sandwich plate is composed of an auxetic honeycomb core with negative Poisson’s ratio and two face sheets made of magneto-electro-elastic​ material. The system basic equations are derived based on the Reddy’s higher order shear deformation plate theory taking into account the effect of von Kármán the kinematic nonlinearity and initial imperfection. The form of possible solutions and electric, magnetic potentials are chosen as trigonometric functions based on two cases of boundary conditions. The relationship between axial compressive loading and dimensionless deflect...
    • Static buckling analysis and geometrical optimization of magneto-electro-elastic sandwich plate with auxetic honeycomb core
    Authors: Vu, Dinh Quang; Tran, Quoc Quan; Phuong, Tran;  Advisor: -;  Co-Author: - (2022)

    The nonlinear static buckling analysis of magneto-electro-elastic sandwich plate on Pasternak-type elastic foundations subjected to the mechanical, thermal, electric and magnetic loadings is presented in this paper. The sandwich plate is composed of an auxetic honeycomb core with negative Poisson’s ratio and two face sheets made of magneto-electro-elastic​ material. The system basic equations are derived based on the Reddy’s higher order shear deformation plate theory taking into account the effect of von Kármán the kinematic nonlinearity and initial imperfection. The form of possible solutions and electric, magnetic potentials are chosen as trigonometric functions based on two cases of boundary conditions. The relationship between axial compressive loading and dimensionless deflect...
    • Vibration analysis of auxetic laminated plate with magneto-electro-elastic face sheets subjected to blast loading
    Authors: Ngo, Dinh Dat; Tran, Quoc Quan; Nguyen, Dinh Duc;  Advisor: -;  Co-Author: - (2022)

    Mathematic modeling and analytical approach are presented for nonlinear vibration analysis of laminated plate with auxetic honeycomb core and magneto-electro-elastic face sheets supported by Pasternak-type elastic foundations. The laminated plate is subjected to the simultaneous action of blast, thermal, electric and magnetic loadings. The mechanical properties of auxetic core including negative Poisson’s ratio are assumed to depend on the geometrical parameters of the unit cells and elastic modulus of original material. The volume fraction of two components of each magneto-electro-elastic face sheet is chosen equally.
    • Vibration analysis of auxetic laminated plate with magneto-electro-elastic face sheets subjected to blast loading
    Authors: Ngo, Dinh Dat; Tran, Quoc Quan; Nguyen, Dinh Duc;  Advisor: -;  Co-Author: - (2022)

    Mathematic modeling and analytical approach are presented for nonlinear vibration analysis of laminated plate with auxetic honeycomb core and magneto-electro-elastic face sheets supported by Pasternak-type elastic foundations. The laminated plate is subjected to the simultaneous action of blast, thermal, electric and magnetic loadings. The mechanical properties of auxetic core including negative Poisson’s ratio are assumed to depend on the geometrical parameters of the unit cells and elastic modulus of original material. The volume fraction of two components of each magneto-electro-elastic face sheet is chosen equally. The nonlinear motion equations and the geometrical compatibility equation are established by using Reddy’s higher order shear deformation plate theory taking into acc...