Transient Temperature Response of Functionally Gradient Material Subjected to Partial, Stepwise Heating.

Makino, Atsushi; Araki, Nobuyuki; Kitajima, Hidetoshi; Ohashi, Kentaro

doi:10.1299/kikaib.60.4200

Cited by 14 publications

(6 citation statements)

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“…The limited studies are also available on dynamic buckling of orthotropic shallow spherical shells [5][6]. However, studies pertaining to FGM shell structures are mainly limited to thermal stress, deformation, and static analysis in the literature [7][8][9]. Work on vibration/dynamic stability of FGM shell structures are also reported in the work of Ng et al [10].…”

Section: Introductionmentioning

confidence: 99%

On the Dynamic Snap-through Buckling of Functionally Graded Spherical Caps

Sundararajan,

Ganapathi

2023

joast

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Here, the dynamic snap-through buckling characteristics of clamped functionally graded spherical caps suddenly exposed to a thermal field are studied using finite element procedure. The material properties are graded in the thickness direction. The temperature load corresponding to a sudden jump in the maximum average displacement in the time history of the shell structure is taken as the dynamic buckling temperature. Numerical study is carried out to highlight the influences of shell geometries and material gradient index on the critical buckling temperature.

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Section: Introductionmentioning

confidence: 99%

On the Dynamic Snap-through Buckling of Functionally Graded Spherical Caps

Sundararajan,

Ganapathi

2023

joast

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“…Functionally graded materials (FGMs) are a class of advanced composite materials that consist of a combination of different materials. These advanced inhomogeneous materials have been widely used in engineering and other applications due to their mechanical and thermal properties as a thermal barrier in high temperature environments (Makino et al, 1994;Suresh and Mortensen, 1998;Birman and Byrd, 2007). In FGMs, material distribution is controlled by the volume fraction law and this distribution leads to continuous change in the combination of the shell and results in gradient in the mechanical and thermal properties.…”

Section: Introductionmentioning

confidence: 99%

Vibration analysis of supported thick-walled cylindrical shell made of functionally graded material under pressure loading

Isvandzibaei

Jamaluddin

Hamzah

2014

Journal of Vibration and Control

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This paper presents a study on the vibration of a supported thick-walled cylindrical shell made of functionally graded material (FGM) subjected to pressure loading. The FGM shell is developed in accordance to the volume fraction law from two constituents, namely stainless steel and nickel. For the power law exponent distribution the top surface of the structure is steel/nickel-rich, whereas the bottom surface is nickel/steel-rich. The FGM properties are graded along the thickness direction of the shell. The supported FGM thick shell equations with one ring and pressure loading are established based on first-order shear deformation theory. The governing equations of motion were employed, using energy function and by applying the Ritz method. The boundary conditions represented by the end conditions of the FGM thick shell are simply supported–simply supported, clamped–clamped, free–free, clamped–free, clamped–simply supported, free–simply supported, sliding–free and sliding–clamped. The effects of the volume fraction law exponent, pressure loading, ring position and different boundary conditions on natural frequency characteristics are studied. The results obtained are compared with those available in the literature.

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“…The concept of fabricating FGMs was first introduced as a means of preparing thermal barrier materials by a group of material scientists (Makino et al, 1994) in Japan in 1984. FGMs are made by combining different materials with powder metallurgy methods.…”

Section: Introductionmentioning

confidence: 99%

Dynamic analysis of a spinning functionally graded material shaft by the p - version of the finite element method

Boukhalfa

2014

Lat. Am. j. solids struct.

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This paper is concerned with the dynamic behavior of the spinning Functionally Graded Material (FGM) shaft on rigid bearings. A pversion, hierarchical finite element is employed to define the model. A theoretical study allows the establishment of the kinetic energy and the strain energy of the shaft, necessary to the result of the equations of motion. In this model the transverse shear deformation, rotary inertia and gyroscopic effects have been incorporated. A hierarchical beam finite element with six degrees of freedom per node is developed and used to model the shaft. A program is elaborate for the calculation of the natural frequencies of a spinning FGM shaft. To verify the present model, the results are compared with those available in the literature. The efficiency and accuracy of the methods employed are discussed.

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Transient Temperature Response of Functionally Gradient Material Subjected to Partial, Stepwise Heating.

Cited by 14 publications

References 0 publications

On the Dynamic Snap-through Buckling of Functionally Graded Spherical Caps

On the Dynamic Snap-through Buckling of Functionally Graded Spherical Caps

Vibration analysis of supported thick-walled cylindrical shell made of functionally graded material under pressure loading

Dynamic analysis of a spinning functionally graded material shaft by the p - version of the finite element method

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