Nonlinear transient thermoelastic response of FGM plate under sudden cryogenic cooling

Babaee, Alireza; Jelovica, Jasmin

doi:10.1016/j.oceaneng.2021.108875

Cited by 14 publications

(1 citation statement)

References 32 publications

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“…The findings reveal that the utilization of FGM comprising both aluminum and steel can result in a reduction of approximately 50 % in weight compared to the individual use of either aluminum or steel. In addition to ambient temperature cooling, cryogenic cooling has also been documented as a method that involves the application of sudden high-temperature gradients, leading to the generation of induced high thermal stress [ 29 ].…”

Section: Introductionmentioning

confidence: 99%

Analysis of thermomechanical stresses in dual compound thick cylinders under asymmetric loads: An analytical and numerical method

Das,

Islam,

Mondal

2024

Heliyon

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Section: Introductionmentioning

confidence: 99%

Analysis of thermomechanical stresses in dual compound thick cylinders under asymmetric loads: An analytical and numerical method

Das,

Islam,

Mondal

2024

Heliyon

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Size‐dependent nonlinear transient analysis of rotating porous thick and thin FGM microblade under cooling thermal shock

Pandey

2024

Z Angew Math Mech

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The present work is an attempt to develop a simple, accurate, and widely applicable finite element formulation for the size‐dependent nonlinear transient analysis of the rotating porous thick and thin functionally graded material (FGM) microblade subjected to load due to centrifugal force and cooling thermal shock. First‐order shear deformation theory in conjunction with von Karman‐type nonlinearity is used in the development of the finite element formulation. The temperature‐dependent material properties of the SUS304 stainless steel and the AISI 1020 carbon steel are taken. The upper layer made of the SUS304 stainless steel is subjected to a cooling thermal shock and the lower layer made of AISI 1020 carbon steel is held constant at room temperature. The governing differential equation for the present analysis is obtained using total Lagrangian formulation in conjunction with the modified coupled stress theory (MCST). Modified Newton–Raphson in conjunction with Newmark average acceleration method is used to obtain the nonlinear transient response of the rotating porous FGM pretwisted blade. The results obtained from the present finite element formulation are first compared for a wide range of parameters. New results are presented to investigate the effect of porosity, intensity of the thermal shock, material scale ratio, rotational velocity, and volume fraction index on the nonlinear transient analysis of a rotating porous thick and thin SUS304/AISI 1020 functionally graded rotating blade under load due to centrifugal force and cooling thermal shock.

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Nonlinear vibration analysis of bidirectional porous beams

Keleshteri

Jelovica

2021

Engineering with Computers

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This paper presents nonlinear vibration behavior of shear deformable bidirectional porous beams with non-uniform porosity distribution. A new porosity distributions are proposed to maximize natural frequencies of the porous beam. It is assumed that closed-cell voids are distributed along the thickness and length of the beam. Hamilton principle is used to derive nonlinear governing equations using Reddy beam theory considering von Karman geometrical nonlinearity. Generalized differential quadrature method, harmonic balance approach along with the Picard iterative approach are used to discretize and solve the nonlinear dynamic equations. The variation of nonlinear frequency versus the vibration amplitude is highlighted considering various influential factors such as geometrical parameters, porosity distributions, beam theories and boundary conditions. It is shown that the newly defined porosity distribution can increase the frequencies in comparison to the conventional porosity distribution. Comparing beams of the same weight shows that porosities near the center of the beam further increases frequencies in comparison to the other porosity distributions. Moreover, bidirectional porosity increases the frequencies in comparison to the unidirectional porosity. Frequencies of the bidirectional porous Reddy beam depend not only on the bending stiffness, as in the case of unidirectional porous beam, but also on the first derivative of the bending stiffness.

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Nonlinear transient thermoelastic response of FGM plate under sudden cryogenic cooling

Cited by 14 publications

References 32 publications

Analysis of thermomechanical stresses in dual compound thick cylinders under asymmetric loads: An analytical and numerical method

Analysis of thermomechanical stresses in dual compound thick cylinders under asymmetric loads: An analytical and numerical method

Size‐dependent nonlinear transient analysis of rotating porous thick and thin FGM microblade under cooling thermal shock

Nonlinear vibration analysis of bidirectional porous beams

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