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Wednesday, July 29, 2020 | History

3 edition of Stresses in pin-loaded orthotropic plates using photoelasticity found in the catalog.

Stresses in pin-loaded orthotropic plates using photoelasticity

M. W. Hyer

Stresses in pin-loaded orthotropic plates using photoelasticity

by M. W. Hyer

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  • 10 Currently reading

Published by National Aeronautics and Space Administration, Langley Research Center in Hampton, Va .
Written in English

    Subjects:
  • Plates (Engineering) -- Fatigue.

  • Edition Notes

    StatementM.W. Hyer and D. Liu.
    SeriesNASA contractor report -- 172498., NASA contractor report -- NASA CR-172498.
    ContributionsLiu, D. H., Langley Research Center., Virginia Polytechnic Institute and State University.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL18041721M

      Contact stresses in pin-loaded orthotropic plates. NASA Technical Reports Server (NTRS) Hyer, M. W.; Klang, E. C. The effects of pin elasticity, friction, and clearance on the stresses near the hole in a pin-loaded orthotropic plate are described.   Stresses in pin-loaded orthotropic plates using photoelasticity. NASA Technical Reports Server (NTRS) Hyer, M. W.; Liu, D. The stresses in transparent glass-epoxy plates loaded by a steel pin through a hole were determined by photoelasticity.

    ADApdf - Free ebook download as PDF File .pdf), Text File .txt) or read book online for free. 22 A superposltiov. technique was then adopted to estimate the stresses In the plates of finite widths from Infinite plate results. presented the results of stres distributions around a hole In a pin loaded orthotropic plate by using a. Interlaminar shear stresses in solid compositebeams using a completeout-of-plane shear deformation model. Application of boundary-domain element method to the free vibration problem of plate structures. Exact solutions for dynamic analysis of composite plates with distributed peizoelectric layers Parametric instability of.

    Boundary Collocation Techniques and Their Application in Engineering The other terms can be considered as perturbations, which is visible in Table 1. The solution has been calculated using only a constant and even terms in the system ((6) in Chapter 2), which is equivalent to the assumption of symmetry with respect to x-axis. Foto elasticidad.


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Stresses in pin-loaded orthotropic plates using photoelasticity by M. W. Hyer Download PDF EPUB FB2

Get this from a library. Stresses in pin-loaded orthotropic plates using photoelasticity. [M W Hyer; D H Liu; Langley Research Center.; Virginia Polytechnic Institute and State University.]. Hyer, MW and Liu, D () Stresses in Pin-Loaded Orthotropic Plates Using Photoelasticity.

Contractor Report, National Aeronautics and Space Administration, CR Google Scholar Hyer, MW and Liu, D () Stresses in Pin-Loaded Orthotropic Plates:Photoelastic : M. Hyer. Stresses in a quasi-isotropic pin-loaded connector using photoelasticity The stresses in the vicinity of the hole in a birefringent glass-epoxy connector are computed AuthorsCited by: The extent of the contact region is unknown and the half contact arc is denoted as Due to friction Fig.

Geometry and coordinate systems used in analysis. +X +5 Fig. Definition of clearance, \, and pin displacement, 8. Contact stresses in pin-loaded orthotropic plates within the contact arc, there is a region of slip and a region of no Cited by: The effect of pin elasticity, clearance, and friction on the stresses in a pin–loaded orthotropic plate.

J Compos Mater ;– [8] Ireman T, Nyman T, Hellbom K. Composite Structures 3 () Stresses Around a Pin-loaded Hole in Orthotropic Plates with Arbitrary Loading Direction Kai-da Zhang and Charles E. Ueng* School of Engineering Science and Mechanics, Georgia Institute of Technology, Atlanta, GeorgiaUSA ABSTRACT Lekhnitskii's method of complex stress function is extensively used to solve the pin-loaded circular hole problem in Cited by: A compact analytical solution of stresses around a pin-loaded hole in orthotropic plates is obtained by the complex stress functions which satisfy the displacement boundary conditions along the hole.

One approach to the analytical determination of stresses around pin–loaded holes in orthotropic plates has been given by De Jong [4], Waszczak and Cruse [17] and Zhang and Ueng [19], using the method of complex functions.

In the literature on pin–loaded hole problems, the displace-ment boundary conditions are always given on the surface of. Stresses were calculated for orthotropic laminate plate loaded by a frictionless pin in a circular hole of the same diameter. These calculations were based on finite-element analysis for five laminates; 00, [±]s, [00/]s,[00/±]s, and quasi-isotropic [00/±/]s.

stress distribution, based on nominal bearing stress, were determined for wide ranges of the ratios of width to Author: Syarif Hidayat, Bambang K. Hadi, Hendri Syamsudin, Sandro Mihradi. This study was based on a two-dimensional finite-element analysis of stresses in an orthotropic laminate that is loaded by a frictionless steel pin in a circular hole of the same diameter.

Six graphite/epoxy laminates were analyzed: quasi-isotropic [0°/+/s, Oo, 90°, [Oo/]s, [+45OIs, and [0O/+45OIs. Finite-element models were developed for wide ranges of width-to-File Size: 1MB.

Stress Concentration Analysis in Orthotropic Plates anisotropic material problem. Stroh formalism (Ting, ) is an elegant, powerful, simpler method to attack such problems, and because of this it is the preferential approach used in this paper.

A brief overview about the elasticity. A large number of the published works on the stresses in pin-loaded composite plates are based on the complex stress functions of Lekhnitskii [2] and assume that the composite plate is a two dimensional homogenous sheet with anisotropic elastic Size: 71KB.

The name photoelasticity reflects the nature of this experimental method: photo implies the use of light rays and optical techniques, while elasticity depicts the study of stresses and deformations in elastic bodies.

Through the photoelastic-coating technique, its domain has extended to inelastic bodies, too. concentration in composite plates with hole subjected to transverse loadings needs to be carried out.

The present work aims to study the effect of T/A and D/A on SCF in isotropic and orthotropic composite (e-glass/epoxy) plates with central circular hole subjected to transverse static loading with all edges fixed and, also the deflection.

Alenfaie [7] modeled composite plates with internal separation plates by use of finite element method. He used a 3D model and calculated natural frequency and displacement in various cases. Yang et al. [8] defined exact numerical method for mechanical behavior of composite plates with elastic : Raghavendra N, Shabbir Ahmed R M.

Prabhakaran, R., and Naik, R. An Analytical and Experimental Study of Contact, Stresses and Failure in Clearance-fit, Pin-loaded Polycarbonate Specimens. SEM: Spring Conference on Experimental Mechanics. Prabhakaran, R., and Naik, R.

A New Method for Measuring Contact Angle in Pin-Loaded Holes Simulating Bolted Joints. [9,10] also showed the simultaneous influence of friction and load direction on the stresses in orthotropic plates with a single pin- loaded hole.

Hyer and Klang [12] modeled the pin and its interac- tion with the hole by including pin-elasticity. They showed that pin-elasticity is rather unimportant in stress prediction compared to clearance, friction and elastic properties of the plate. For LG plates as in the examined system (with a hole diameter-to-glass thickness ratio equal to d / h ≈ ), Figure 15a turns out in K ≈ Besides the availability of several literature proposals to account for the stress concentration in the region of holes (i.e., [ 3, Cited by: 1.

Annual Business Meeting Chairman: R.J. Rinn, SEM Measurements Group, Inc. President, The Study of Thermal Stresses Induced During the Production of Encapsulated Ceramics C.P. Burger, V. Marzen, 0. Turudji and T. Baek, lowa State University An Investigation of Residual Strains Introduced by Interference Bushing Installation in Fastener Holes J.B.

Hyzer, J. McKelvie and C.A. Walker. This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. A first approach to the analytical determination of stresses round pin-loaded holes in orthotropic plates has been given in References [1], [2] and [3], using the HE STRESS DISTRIBUTION T structures is the design Downloaded from at BEIHANG UNIV LIB on Octo method of complex functions as developed by Read: Full text of "DTIC ADA USAF Damage Tolerant Design Handbook: Guidelines for the Analysis and Design of Damage Tolerant Aircraft on B" See other formats.دانشگاه علم و صنعت ايران Iran University of Science and Technology, tehran, persian, farsi, ahmadinejad, jabal ameli, Electrical Engineering, Automotive Engineering, Railway Engineering, Chemical Engineering, Industrial Engineering, Civil Engineering, Computer Engineering, Mechanical Engineering,Metallurgy and Materials Engineering, Mathematics, Chemistry, Physics.