Introduction to Isotropic Plates

There is no stretching–bending coupling effect in the neutral surface-based formulation, and consequently, the governing equations of functionally graded plates based on neutral surface have the simple forms as those of isotropic plates.

Convergent solutions over wider bending range of isotropic or anisotropic plates subjected to different boundary conditions are given which reveals our proposed wavelet methodology performs good superiority and versatility dealing with strongly nonlinear problems.

Recently, the plate bending analysis has been interpreted in terms of the tensor's components of curvatures and bending moments by presenting the conceptual perspectives of the Hydrostatic Method of Analysis (HM) and theoretical formulations that combine the continuum mechanics with the graphical statics analysis, the theory of thin orthotropic and isotropic plates, and the elasticity theory.

The design problems show that a considerable decrease of sound power can be accomplished with the optimal design of FGM plates in comparison with the isotropic plates.

The means in the paper ought to be of benefit to the stress fields and fracture character analysis of anisotropic plates.

Several examples including isotropic plates with various cutouts and complex shapes without thermal conditions are presented to justify the correctness and convergence of IGA-FSDT approach.

: Contents: Fundamental Equations of Classical Plate Theory; Circular Plates; Elliptical Plates; Rectangular Plates; Parallelogram Plates; Other Quadrilateral Plates; Triangular Plates; Plates of Other Shapes; Anisotropic Plates; Plates With Inplane Forces; Plates With Variable Thickness; and Other Considerations.

In addition to the extraction of nonisotropic resistivities, the resistance matrix can be used to analyze the Hall effect for anisotropic plates.

The general framework of this study is the Corrected Force Analysis Technique (CFAT), which was previously used on isotropic plates.

Shear horizontal (SH) waves are of great importance in structural health monitoring (SHM) and nondestructive testing (NDT), since the lowest order SH wave in isotropic plates is non-dispersive.

The present study proposes an anisotropic formulation of the acoustic forward model to map velocity variations induced by defects in anisotropic plates.

Three-dimensional exact solutions for temperature and thermoelastic stresses in multilayered anisotropic plates are derived for advanced boundary-value problems with general boundary conditions.

This study aims to extend the radiative energy transfer method (RETM) to anisotropic plates loaded by transverse point force at high frequencies.

This element is implemented, for the first time in the commercial computer code ABAQUS, by using the subroutine (UEL), for the static and dynamic analysis of isotropic plates, whatever thin or thick.

Both approaches are validated with compliance measurements previously reported, observing good agreement ( less than 10 % difference with respect to experiments ) for most orthotropic and isotropic plates.

The solution of this urgent problem for composite anisotropic plates can be found in this article, where the author continues the research in this area, extending them to the bending of anisotropic composite plates.

Moreover, static and steady state dynamic antiplane problems of flexoelectric and couple stress elastic materials can be modeled as anisotropic plates with a non-equal biaxial pre-stress.

The effects of shear deformation and rotary inertia on the dynamics of anisotropic plates traversed by varying moving load resting on Vlasov foundation is investigated in this work.

Propagation of harmonic Lamb waves in plates made of functionally graded materials with transverse inhomogeneity is analyzed by applying Cauchy six-dimensional formalism previously developed for the study of Lamb wave propagation in homogeneous or stratified anisotropic plates.

The road deck bridge was considered to be made from reinforced concrete and is considered to be modelled by isotropic plates with varying boundary conditions.

As for the anisotropic plates, there are no such tables, with the exception of one Huber table compiled for a freely supported rectangular orthotropic plate, depending on the relationship between the stiffness values.

A material independent technique, that needs neither a priori knowledge of the material properties even for anisotropic plates nor a dense array of sensors, will be used to locate the impact.

113902], we show that the effect is actually an example of the regular spin-Hall effect that occurs at tilted anisotropic plates [Optica3, 1039 (2016) OPTIC82334-253610.

This paper investigates the buckling of isotropic plates with circular cutout subjected to non-uniform in-plane loading.

In this work, we proposed a baseline-free sparse array system for SHM of isotropic plates based on the fundamental shear horizontal (SH0) wave, which is totally non-dispersive.

Moreover, static and steady state dynamic anti-plane problems of flexoelectric or couple stress elastic materials can be modeled as anisotropic plates with a non-equal biaxial pre-stress.

Properties of isotropic plates in terms of material constants and thickness are characterized by making use of dispersion characteristics of propagating Lamb waves.

Literature reveals that researchers have used three-dimensional (3d) Finite Element Method (FEM) to predict AE waveforms in isotropic and single-layer anisotropic plates.

To implement the task, the Lekhnitsky theory of calculating the stability of anisotropic plates is used, in particular, the energy method for determining the critical force for a flat anisotropic plate loaded along the edges by tangential efforts.

The problem is solved using the classical theory of anisotropic plates.

Further, the axisymmetric collision of a cylindrical indenter with an obstacle in the form of a package of isotropic plates containing free cavities and rigid inclusions is numerically investigated within the framework of the coupled theory of thermoviscoelasticity.

The field solutions caused by both internal and external actions are expressed in terms of biperiodic Fourier series expansions in multilayered systems that are made of dissimilar, linear and anisotropic plates with planar lattice mismatches.

Extending the High Resolution Wavenumber Analysis method [1] to 2D signals, it allows the wide-band and local characterization of the linear elastic behavior of anisotropic plates.

Based on observation, the developed method is higher-order accurate, stable for wide spectral frequency range of anisotropic plates, and efficient in capturing the mode-converging phenomenon.

The models of second-order accuracy for isotropic plates and plates with partial types of anisotropy were constructed earlier.

In the current work, stress concentrations taking place in laminated and isotropic plates subjected to tensile load are investigated.

Bolotin (1961) published the book presenting the analytical solution of the flutter problem for isotropic plates having finite dimensions (i.

The works reported on in-plane waves in composite structures assume that two in-plane motions are uncoupled as in isotropic plates.

The derivation is based on the hybrid method of the state-vector formalism and Legendre polynomials expansion, which was previously adopted for the anisotropic plates.

In this paper, the singular integral equations are written for anisotropic plates with elastic anisotropic inclusions in a simple form based on simple dependencies between the Lekhnitskii complex potentials and stress and strain [5].

However, at the same time any structuring of isotropic plates could lead to anisotropic characteristics, which, in turn, will affect the acoustic properties.

Isotropic plates, cross-ply composite plates, and sandwich structures with composite skins and simply-supported edges are analyzed.

GL models have been proposed in the past using theoretical (Lamb) wave solutions that only apply to isotropic plates.