An efficient computational model for vibration behavior of a functionally graded sandwich plate in a hygrothermal environment with viscoelastic foundation effects

Zaitoun, Mohamad W.; Chikh, Abdelbaki; Tounsi, Abdelouahed; Sharif, Alfarabi; Al‐Osta, Mohammed A.; Al‐Dulaijan, Salah U.; Al‐Zahrani, Mesfer M.

doi:10.1007/s00366-021-01498-1

Cited by 92 publications

(15 citation statements)

References 34 publications

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“…Equations of motion as function of displacement componants are obtained by subtituting force and moment resultants from Equations (25 -28) in Equations (19)(20)(21)(22)(23) and then by substituting Equations (33)(34)(35)(36)(37) for cross ply and Equations (38)(39)(40)(41)(42) for angle ply, the following eignvalue problem is obtained:…”

Section: Eignvalue Problemmentioning

confidence: 99%

“…Many researchers developed and used different higher-order shear deformation theory (HSDT) to study bending, buckling and response of plate with simply supported boundary [16]- [17], on a viscoelastic foundation or resting on a Winkler-Pasternak elastic foundation, in thermal or in a hygrothermal environment or under hygro-thermo-mechanical load [18]- [20] which were as composite, functionally graded (FG), sandwich plate or made from porous functionally graded material [21]- [22], while effect of these enviornment on vibration behavior for these plates were investigated by [23]- [24]. Thermal stability of porous functionally graded material beam (of power law) under different thermal load distribution and boundary conditions were analyzed by [25].…”

Section: Introductionmentioning

confidence: 99%

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Thermal Buckling of Laminated Plates using Modified Mantari Function

Majeed¹,

Sadiq²

2022

JMechE

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Critical buckling temperature of laminated plate under thermal load varied linearly along the thickness, is developed using a higher-order shape function which depends on a parameter ‘‘m’’, which is improved to obtain results for thin and thick plates. Laminated plates’ equations of motion are obtained using virtual work principle and solved for simply supported boundary conditions. Angle and cross laminates thermal buckled mode shapes with different E1/E2 proportion, number of plies, (α2/α1) proportion, aspect ratios, are investigated. It is observed that this shape function gives thermal buckling for thin and thick plates but with m = 0.05 that agree well with other theories and linear distribution of temperature gives a rise to critical temperature approach to 50% than those caused by uniform thermal distribution.

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Section: Eignvalue Problemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Thermal Buckling of Laminated Plates using Modified Mantari Function

Majeed¹,

Sadiq²

2022

JMechE

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“…The influence of the thermal environment associated with the auxeticity of sandwich beams was probed by Li et al 6 The same research group 7 also presented the nonlinear dynamic characteristics of sandwich beams with FG auxetic core. The auxetics combined with other variants of conventional sandwich structures 8–15 can tremendously benefit the engineering domain by increased weight reduction and structural integrity.…”

Section: Introductionmentioning

confidence: 99%

Integrated effects of auxeticity and pyro-coupling on the nonlinear static behaviour of magneto-electro-elastic sandwich plates subjected to multi-field interactive loads

Mahesh

2023

Proceedings of the Institution of Mechanical Engineers, Part C:

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This work presents a detailed investigation of the effect of auxeticity synergised with the pyro-coupling behaviour of multiphase magneto-electro-elastic (M-MEE) composites using a finite element (FE) framework. The nonlinear deflection and bending problems of sandwich plates with auxetic core and M-MEE skins subjected to multi-physics load (electric, magnetic and thermal) are probed. The plate kinematics is governed by Reddy’s higher-order shear deformation theory (HSDT). The nonlinear relation between the strains and displacements is established through von-Karman’s nonlinear relations. The temperature profiles are considered linearly and nonlinearly varying across the thickness of the plate. Various parametric studies presented in this article highlight the influence of the auxetic cell inclination angle, rib-length ratio, rib thickness, the plate-to-core ratio etc., associated with the pyro-coupling on the nonlinear deflection and bending of sandwich plates. The results reveal that the plate deflection, bending behaviour and degree of pyro-coupling significantly depend on the auxetic unit cell dimensions and magnitude of electro-magnetic loads. The significant influence of temperature profiles on the pyro-coupling are witnessed at lower auxetic cell angle. The nonlinear deflections of the sandwich plate and hence the potentials developed tend to improve with the lower values of plate-to-core ratio and rib thickness. The prominent outcomes of this work related to integrated effects of auxeticity and pyro-coupling are not yet reported in the open literature and are deemed to be utilised as a future reference.

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“…Such material developments would in turn lower the need for maintenance and repair of concrete pavement and infrastructure over time, resulting in significant environmental and economic savings [ 10 , 11 , 12 , 13 , 14 ]. High performance concrete (HPC) is an innovative alternative to traditional concrete that is more durable and stronger owing to its reduced porosity and fewer CO 2 emissions [ 1 , 15 , 16 , 17 , 18 , 19 , 20 ]. HPC may easily attain compressive strengths as high as 110 MPa, as opposed to the more typical 30–40 MPa [ 21 ].…”

Section: Introductionmentioning

confidence: 99%

Application of Polyacrylic Hydrogel in Durability and Reduction of Environmental Impacts of Concrete through ANN

Peng

Zandi

et al. 2022

Gels

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While adding superabsorbent polymer hydrogel particles to fresh concrete admixtures, they act as internal curing agents that absorb and then release large amounts of water and reduce self-desiccation and volumetric shrinkage of cement that finally result in hardened concrete with increased durability and strength. The entrainment of microscopic air bubbles in the concrete paste can substantially improve the resistance of concrete. When the volume and distribution of entrained air are adequately managed, the microstructure is protected from the pressure produced by freezing water. This study addresses the design and application of hydrogel nanoparticles as internal curing agents in concrete, as well as new findings on crucial hydrogel–ion interactions. When mixed into concrete, hydrogel particles produce their stored water to power the curing reaction, resulting in less volumetric shrinkage and cracking and thereby prolonging the service life of concrete. The mechanical and swelling performance qualities of the hydrogel are very sensitive to multivalent cations found naturally in concrete mixes, such as aluminum and calcium. The interactions between hydrogel nanoparticles and alkaline cementitious mixes are described in this study, while emphasizing how the chemical structure and shape of the hydrogel particles regulate swelling behavior and internal curing efficiency to eliminate voids in the admixture. Moreover, in this study, an artificial neural network (ANN) was utilized to precisely and quickly analyze the test results of the compressive strength and durability of concrete. The addition of multivalent cations reduced swelling capacity and changed swelling kinetics, resulting in fast deswelling behavior and the creation of a mechanically stiff shell in certain hydrogel compositions. Notably, when hydrogel particles were added to a mixture, they reduced shrinkage while encouraged the creation of particular inorganic phases within the void area formerly held by the swelled particle.

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An efficient computational model for vibration behavior of a functionally graded sandwich plate in a hygrothermal environment with viscoelastic foundation effects

Cited by 92 publications

References 34 publications

Thermal Buckling of Laminated Plates using Modified Mantari Function

Thermal Buckling of Laminated Plates using Modified Mantari Function

Integrated effects of auxeticity and pyro-coupling on the nonlinear static behaviour of magneto-electro-elastic sandwich plates subjected to multi-field interactive loads

Application of Polyacrylic Hydrogel in Durability and Reduction of Environmental Impacts of Concrete through ANN

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