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Investigation of a sandwich type circular plate under transverse loading by Clark Harrison Gates

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Published .
Written in English


  • Aeronautics

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Paginationp. ;
ID Numbers
Open LibraryOL24927059M

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  The axisymmetric transverse vibrations of a circular elastic sandwich plate under impulsive surface and linear loads are studied. To describe the kinematics of the asymmetric plate, the hypotheses of broken normal are adopted. The core is a lightweight material. Analytical solutions are obtained using Heaviside functions and Dirac by: layer) and for the sandwich plate. Bending Behavior of Isotropic Plates in Classical Plate Theory (CPT) For homogeneous isotropic plates, Kirchhoff’s theory is limited to thin plates with ratios of maximum plate deflection w to plate thickness h plate thickness/minimum in-plane dimensions.   This paper presents an investigation on the bending response of functionally graded material (FGM) sandwich plates under transverse distributed loadings. A new model of FGM sandwich plate is developed. The top face sheet and the . Deflection of Thin Circular Elastic Plates Under Symmetrically Distributed Loading A. F. Kirstein and R. M. Woolley Institute for Basic Standards, National Bureau of Standards, Washington D.C. (Novem ) A special application of Bassali's solution for transverse fl exure of thin elastic plates supported.

Adopting assumptions of the CPT, Li et al. [9] evaluated the effect of initial imperfections on postbuckling behavior of plates subjected to transverse distributed load and nonuniform temperature the FSDT, Fallah and Nosier [10] investigated nonlinear behavior of circular FGM plates subjected to asymmetric thermomechanical loads and. The models of the plates were based on equivalent single layer and zig-zag plate theories, making part of the Carrera Unified Formulation. The studies were aimed at evaluating the effects of volume fraction, length-to-thickness ratio, sandwich plate type and loading type, on the critical buckling loads. A plate is a structural element which is thin and flat. By “thin,” it is meant that the plate’s transverse dimension, or thickness, is small compared to the length and width dimensions. A mathematical expression of this idea is: where t represents the plate’s thickness, and L represents a representative length or width dimension. (See Fig. The last three equations of Eqs. , which are expressed in terms of w,, form the set of governing equations for the bending of symmetric orthotropic sandwich laminated plates. Bending under Transverse Load q The plate (Fig. )is assumed to be simply supported along all the edges.

Magnucki et al. [23] investigated pure bending of sandwich circular plate subjected to transverse load using theoretical and experimental approaches. Jalali et al. [24] presented the thermal. A simply supported sandwich square plate, under a uniform transverse load, is considered. This is the classical sandwich example of Srinivas [ 46 ]. The material properties of the sandwich core are expressed in the stiffness matrix,, as Skins material properties are . The response of monolithic beams and plates to shock type loading has been extensively investigated over the past 50 years or so. For example, Wang and Hopkins @1# and Symmonds @2# ana- for the circular sandwich plate, and we briefly review the relevant bending and transverse inertia of the plate. Wang and Hopkins @1#. A series of experiments were conducted to investigate the response of monolithic and multi-layered metallic plates under repeated uniform impulsive loading up to five times. 15 various testing.