A new shear deformation theory for the static analysis of laminated composite and sandwich plates

Sahoo, Rosalin; Singh, B.N.

doi:10.1016/j.ijmecsci.2013.08.002

Cited by 59 publications

(33 citation statements)

References 75 publications

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“…Presently, the same displacement field of recently developed ITZZT [3] is assumed for the buckling analysis which includes the…”

Section: Displacement Fieldmentioning

confidence: 99%

“…The elasticity solution on buckling analysis of multi-layered composite and sandwich plates are established by Srinivas and Rao [1], Noor [2] which are considered as the bench marking studies. The development of various plate theories has been explained by Sahoo and Singh [3,4]. A comprehensive review on the stability analysis of laminate based on various plate theories are presented by Kapania and Raciti [5].…”

Section: Introductionmentioning

confidence: 99%

“…Also, to the best of the authors' knowledge, there is no FE representation of buckling responses of laminated composite and sandwich plates based on inverse trigonometric zigzag theory (ITZZT) published so far in available literatures. Thus, the recently developed zigzag model by the authors [3] is extended for an accurate prediction of buckling load for a safe and reliable design of laminated composite and sandwich structures. A computationally efficient C 0 continuous eight noded isoparametric element is employed for the finite element discretization.…”

Section: Introductionmentioning

confidence: 99%

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Assessment of inverse trigonometric zigzag theory for stability analysis of laminated composite and sandwich plates

Sahoo

Singh

2015

International Journal of Mechanical Sciences

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“…Presently, the same displacement field of recently developed ITZZT [3] is assumed for the buckling analysis which includes the…”

Section: Displacement Fieldmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Assessment of inverse trigonometric zigzag theory for stability analysis of laminated composite and sandwich plates

Sahoo

Singh

2015

International Journal of Mechanical Sciences

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“…As a preliminary assessment it is considered the simply supported <0°/90°/0°> laminated square plate analyzed in [14,61] and customarily considered as benchmark by many researchers. The constituent material has the following mechanical properties: EL/ET = 25; GLT/ET = 0.5; GTT/ET = 0.2; υLT = 0.25 each layer has the thickness equal to h/3.…”

Section: Simply-supported Edges and Sinusoidal Loadingmentioning

confidence: 99%

“…Techniques for eliminating derivatives such those proposed by Zhen and Wanji [60], Sahoo and Singh [61,62], Xiaohui et al [63], Pandey and Pradyumna [64], and Mihir et al [65] could be employed. In [61] and [62], a new Inverse Hyperbolic Zigzag Theory is developed. In [65], an improved higher-order zigzag theory for vibration of soft core sandwich plates in random environment is developed, which includes the effect of core transverse normal strain.…”

Section: Introductionmentioning

confidence: 99%

C0 Layerwise Model with Fixed Degrees of Freedom and Variable In- and Out-of-Plane Kinematics by Strain Energy Updating Technique

Icardi

Sola

2015

Aerospace

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Abstract:Physically based zigzag models have the merit of giving accurate stress predictions for laminates and sandwiches keeping fixed the functional degrees of freedom, though at the expense of the introduction of their derivatives. In the present paper, a technique that enables deleting these derivatives is developed. The objective is finding a priori corrections of displacements, which make the energy of the model with all the derivatives neglected equivalent to that of its initial counterpart model containing all the derivatives. Numerical applications show that this technique can obtain accurate results, even for strongly asymmetrical lay-ups, keeping low the computational cost.

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Vibration analysis of nanocomposite microplates integrated with sensor and actuator layers using surface SSDPT

2016

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In the present work, nonlinear vibration analysis of polymeric nanocomposite microplates integrated with polyvinylidene fluoride (PVDF) layers as sensors and actuators is investigated. The middle layer is reinforced with carbon nanotubes (CNTs) and it's equivalent material properties are obtained by Mori–Tanaka approach. The nanocomposite and PVDF layers are subjected, respectively, to 2D magnetic and 3D electric fields. The system is rested on an elastic medium which is simulated with orthotropic Pasternak foundation. Based on the quasi‐3D sinusoidal shear deformation plate theory (SSDPT), the motion equations are derived considering surface effects using Gurtin–Murdoch theory. A partial‐differential (PD) controller is applied for the active control of the frequency through a closed‐loop control with bonded distributed PVDF sensors and actuators. Differential quadrature method (DQM) is applied in order to obtain the nonlinear frequency of microstructure. The detailed parametric study is conducted, focusing on the combined effects of the nonlocal parameter, magnetic field, surface stress, elastic medium, volume percent of CNTs, applied voltage, controller, and boundary conditions on the vibration behavior of microstructure. Results depict that applying the controller, the frequency significantly decreases. This investigation may be important for the design and smart control of microdevices. POLYM. COMPOS., 39:1936–1949, 2018. © 2016 Society of Plastics Engineers

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A new shear deformation theory for the static analysis of laminated composite and sandwich plates

Cited by 59 publications

References 75 publications

Assessment of inverse trigonometric zigzag theory for stability analysis of laminated composite and sandwich plates

Assessment of inverse trigonometric zigzag theory for stability analysis of laminated composite and sandwich plates

C0 Layerwise Model with Fixed Degrees of Freedom and Variable In- and Out-of-Plane Kinematics by Strain Energy Updating Technique

Vibration analysis of nanocomposite microplates integrated with sensor and actuator layers using surface SSDPT

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