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Thursday, April 23, 2020 | History

2 edition of Stress analysis of a circular plate containing a rectangular array of holes found in the catalog.

Stress analysis of a circular plate containing a rectangular array of holes

J. B. Mahoney

Stress analysis of a circular plate containing a rectangular array of holes

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  • 23 Currently reading

Published by Welding research Council in NewYork .
Written in English


Edition Notes

StatementJ.B. Maloney and V.L. Salerno.
SeriesBulletin / Welding Research Council -- 106
ContributionsSalerno, V. L.
ID Numbers
Open LibraryOL13776369M

This paper presents an analytical method to reduce the stress concentration in a functionally graded material (FGM) plate, having a circular cutout, under axial loading. An exponential radial variation and the variation by the power law, of the Young’s modulus is assumed here. This is achieved by decomposing the plate into a number of by: 2.   The calculation, assuming plane stress, is the regular stress due to the tensile load multiplied by a stress concentration factor, Kt. That value ranges up to depending on the size of the hole. Chart in Peterson's Stress Concentration Factors gives an empirical formula for the Kt value.


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Stress analysis of a circular plate containing a rectangular array of holes by J. B. Mahoney Download PDF EPUB FB2

It is thus important to obtain the solution for the stress field around discontinuity. Materials and Methods: In this research we used isotropic infinite plate with two unequal holes for stress analysis.

For stress analysis calculations bipolar coordinate approach with analytical tool MATLAB 10 and is then compared with ANSYS by: 2. the multiple circular holes with the rhombic array Stress analysis of rectangular and square plates with various cutouts of a simply supported thick laminated plate containing two circular Author: Dheeraj Gunwant.

This note gives a theoretical solution to a plate containing two circular holes of equal size. The method of solution is to add to the given stress system a Cited by: Finite element method was used for analysis. Three systems for defence holes were described for FEM analysis.

Toubal et al. [13] studied experimentally for stress concentration in a circular hole in composite plate. Upon review of the literatures available, Analysis of more cases of stress concentration in composite plates with hole.

In this paper, a technique to study the 3-dimensional stress state around a circular hole in laminated plates is developed. First, the 3-dimensional elasticity problem for a thick plate with a circular hole is formulated in a systematic fashion by using the z-component of the Galerkin vector and that of Muki's harmonic vector problem was originally solved by Alblas[1].Cited by: FigRectangular plate with centrally located circular hole The rectangular plate with centrally located circular hole, made up of alloy steel, used for analysis is shown in Fig.

1 Plate under uniform tensile load is considered to find out the stress in the plate around the Size: KB. Indian Journal of Engineering & Materials Sciences Vol. 2, Aprilpp. Stress analysis of an infinite plate containing two unequal collinear elliptical holes under in-plane stresses at infinity t V G Ukadgaonker, R R Avargerimath & SD Koranne Department of Mechanical Engineering, Indianlnstitute of Technology, Powai, BombayIndia.

Analysis and Mitigation of Stress Concentration factor in Rectangular plate with Central Circular hole under Transverse Loading Department of Mechanical Engineering, Available Received 24 th Februaryrevised Abstract Many techniques are available for the study of stress concentration around holes in rectangular plates.

The distribution ofFile Size: KB. Stress analysis of reinforced circular and rectangular flat plates [Chen, James L.

S.] on *FREE* shipping on qualifying offers. Stress analysis of reinforced circular and rectangular flat plates. conditions. Ting et al. [7] presented a theory for stress analysis by using rhombic array of alternating method for multiple circular holes. Chaudhuri [8] worked on stress concentration around a part through hole weakening a laminated plate by finite element method.

Peterson [15] has developed good theory and charts on the basis ofFile Size: KB. This note gives a theoretical solution to a plate containing two circular holes of equal size. The method of solution is to add to the given stress system a suitable biharmonic function which gives no stress at infinity.

The parametric coefficients involved in the solution are adjusted so as to satisfy the boundary conditions at the edges of the by: 2.

Analysis of elstic tape with rectangular holes The elastic tape with rectangular holes provided with circular joints. Analysis of circular joints on the state of stress in the elastic tape will perform on a plate thickness t = 1, the form in the XY plane is shown in Figure 1.

To simulate the loading of theFile Size: KB. the expressionfor G into the assumedexpressionsfor stress,is 4$ + 3%4)] r4 Cos 2e-1 37a4H Cos 2(3 r am Es (a2 a4) T=-— —1+2— - 3– sin 2e 2 (Es) r2 r4 m Stress concentrationfactor.-At the hole ar =T = O; the stress Ug is a maximum for e = ~ and has thevalue.

and the stressconcentrationfactor is (“O)s,fi/2= 1 + ‘2(ES)a y(/2 am (Es)aFile Size: KB. An attempt is made to review few of the important contribution for stress analysis in the infinite plate with the different types of cut-out in the present work.

Stress analysis of plate with single hole Stress concentration around irregular holes using complex variable methods are. Hence, w max = mm mm The formula is valid for most commonly used metal materials that have Poission's ratios around In fact, the Poisson's ratio has a very limited effect on the displacement and the above calculation normally gives a.

simply-supported rectangular plate with a rectangular hole by the classical Rayleigh-Ritz method. Sakiyama et al. [10] analyzed the natural vibration characteristics of an orthotropic plate with a square hole by means of the Green function assuming the hole as an extremely thin plate.

The vibration analysis of a rectangular plate with a circular. Abstract - Rectangular plate with circular holes are used in engineering applications.

The understanding of the effect of hole and stress concentration of plate is very important in design of components. Abrupt change in geometry of component is known as stress concentration. In this paper, stress concentration of. [12] Kumai T.,The flexural vibrations of a square plate with a central circular hole, Proceedings of 2nd Japan National Congress on Applied Mechanics [13] Hegarty R.F., Ariman T.,Elasto-dynamic analysis of rectangular plates with circular holes, International Journal of Cited by: 6.

Calculate the stress concentration factors at the hole, both in shear and in tension, and show that they are the same. How far from the hole (in units of hole diameters) does the stress reach 95% of the far field (unperturbed) value. Calculate the displacement field corresponding to this stress field (for plane stress).

Rectangular plate, uniform load, simply supported (Empirical) equations and calculator. Since comers tend to rise off the supports, vertical movement must be prevented without restricting rotation. Symbols used: a = minor length of rectangular plate, (m, in) b = major length of rectangular plate, (m, in) p = uniform pressure loading, (Pa, lbs/in 2).

Stress Concentration Analysis of Plate with Circular Hole: Elasticity Theory and Finite Element Comparison Article (PDF Available) in Applied Mechanics and Materials January. Stress distributions are measured around the reinforced circular hole in an infinite plate subjected to uniaxial tension.

Test plates are made of aluminum and reinforcing rings are of aluminum, brass, copper and mild steel. The relationships between stress-concentration factors, the ratio of Young's moduli of a plate and rings and dimensions of rings are by: 3.

Exact solutions for stresses, strains, displacements, and the stress concentration factors of a perforated rectangular plate by a circular hole subjected to in-plane bending moment on two opposite edges are investigated by two-dimensional theory of elasticity using the Airy stress function.

around circular, elliptical, triangular and square holes, mainly in isotropic media. Though, Savin [2] used integro-differential approach and Lekhnitskii [3] used series approach to define the stress function, the final outcomes are same.

The analytic solutions for stress analysis of infinite anisotropic plate with irregular holes are presented by. Exact solutions for stresses, strains, and displacements of a perforated rectangular plate by a central circular hole under both linearly varying in-plane normal stresses on two opposite edges and in-plane shear stresses acting on its entire outer boundary are investigated using the Airy stress function.

The hoop stresses arising at the edge of the circular hole are also calculated and by: 1. Static nodal stress analysis for semi circular notch In the static stress analysis, the size of the plate is kept constant for all type of notch,ratio differs in which the value of r is kept constant as 25 mm and h values vary according to the type of notches.

In case of semi circular notch. Mahoney has written: 'Stress analysis of a circular plate containing a rectangular array of holes' Asked in Celebrity Births Deaths and Ages What has the author J J V R Wintraecken written.

More accurate methods of stress estimation applicable to practical holes (such as those depicted in Fig. 1) are required. A general procedure for the solution of such problems has been presented by the author 3 using the complex-variable methods of Mushkhelishvili ~.

In this analysis the given hole is. The analysis shows the stress concentration factor to vary across the thickness and to be sensitive to the value of the radius to thickness ratio, a/h.

Furthermore, it is shown that for ratios of (a/h) > 4, the results predicted by plane stress theory are more than adequate for engineering applications. Figure 2: Stress distribution around a circular hole.

Figure 2 above shows the stress distribution pattern around a circular hole for a rectangular plate when tensile load is applied at both the ends of the plate. The specimen. The specimen in consideration is a mild steel plate with thickness‘t’. at rectangular hole boundary (i.e.

stress free hole condition). The stress distribution near the rectangular hole can be obtained by using Eqs (13a) and (13b) in Eqs (1)-(3b). The stress functions Eqs (13a) and (13b)are solution of an infinite plate with rounded comers rectangular hole stretched at infinity byCited by: 4.

Pressure Vessel Design Calculations Handbook This pressure vessel design reference book is prepared for the purpose of making formulas, technical data, design and construction methods readily available for the designer, detailer, layoutmen and others dealing with.

InBryan () presented the analysis of the elastic critical stress for a rectangular plate simply supported along all edges and subjected to a uniform longitudinal compressive stress.

The elastic critical stress of a long plate segment is determinedFile Size: 1MB. Exact solutions for stresses, strains, displacements, and the stress concentration factors of a rectangular plate perforated by an arbitrarily located circular hole subjected to in-plane pure shear loading are investigated by two-dimensional theory of elasticity using the Airy stress function.

The hoop stresses, strains, and displacements occurring at the edge of the circular hole are computed Author: Yeong-Bin Yang, Jae-Hoon Kang. Finite Element Analysis of Elastic Stresses around Holes in Plate Subjected to Uniform Tensile Loading.

Mallikarjun, P. Dinesh, K.I. Parashivamurthy. AbstractThe author reported stress analysis of infinite isotropic plate with a cylindrical circular hole and oblique. Hence, w max = mm mm The formula is valid for most materials that have a Poisson's ratio around However, the Poisson's ratio has a very limited effect on the displacement and the above calculation normally gives a very good approximation in most practical cases.

Chapter Stress concentrations • Locally high stresses can arise due to • Circular hole in infinite plate under uniaxial load (Airy stress function in polar coordinates) •F or r=a SCF for grooves, holes, and fillets. Grooves and holes.

Reading assignmentFile Size: KB. Stress Concentration Around A Small Circular Hole In The HiMAT Composite Plate Author: William L. Ko Subject: H Keywords: Composite plates, Stress concentrations, Circular hole, Hole size effect Created Date: 1/26/ PM.

=Nominal stress For a thin plate with a circular hole at the center, that is subjected to uni-axial far-field tension,𝜎 acting along the x-axis, the stresses around the vicinity of the hole which shown in figure 1. Figure 1: Plate with circular hole subjected to uni-axial stress. Stress Analysis of Thin Plate.

thermoelastic stress analysis (TSA) [8] and strain gauging [9] have been used to determine the strain/stress distribution around circular holes in orthotropic plates. Some experimental and theoretical results that attempt to incorporate a finite width correction factor around the hole are presented in Ref.

[9],File Size: 1MB. Keywords: stress concentration, finite element method, influence of holes, flat plate, rectangular holes, side strips, design principles 1. Dimensioning of the plates with holes according to Euro code 2 The goals may influence the capacity of the plates depends on the position, size, hole shape, theAuthor: Victor L.

Pop, Maria I. Pop. I'm doing stress analysis on a circular region on this part where an o-ring seals against. There is a PSI normal force being applied on it. So you can think about it as an annular circular flat plate (like a washer) with the PSI force uniformally distributed on the surface.

I want.Page 52 F Cirak Definitions A plate is a three dimensional solid body with one of the plate dimensions much smaller than the other two zero curvature of the plate mid-surface in the reference configuration loading that causes bending deformation A shell is a three dimensional solid body with one of the shell dimensions much smaller than the other two.