Stiffness Analysis Of Elasto Plastic Plates
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Stiffness Analysis Of Elasto Plastic Plates By J L Swedlow W H Yang
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Author : J. L. Swedlow
language : en
Publisher:
Release Date : 1966
Stiffness Analysis Of Elasto Plastic Plates By J L Swedlow W H Yang written by J. L. Swedlow and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Plasticity categories.
Stiffness Analysis Of Elasto Plastic Plates
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Author : J. L. Swedlow
language : en
Publisher:
Release Date : 1966
Stiffness Analysis Of Elasto Plastic Plates written by J. L. Swedlow and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with categories.
The Prandtl-Reuss flow rule is used as a basic for deriving the constitutive equations for elasto-plastic media with work-hardening. The equations are specialized to the cases of torsion of prismatic bars, plane stress, and plane strain. In the case of plane stress, the direct stiffness method may be extended to provide solutions, and the requisite procedure is outlined. As an example of the type of problem that may be treated, a rectangular plate is considered with an internal crack, showing the distribution of elements and a typical stress-strain curve. A sample of the numerical results is given. The effect of large strains is also discussed.
Elasto Plastic And Damage Analysis Of Plates And Shells
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Author : George Z Voyiadjis
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-07-23
Elasto Plastic And Damage Analysis Of Plates And Shells written by George Z Voyiadjis and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-07-23 with Technology & Engineering categories.
Shells and plates are critical structures in numerous engineering applications. Analysis and design of these structures is of continuing interest to the scienti c and engineering communities. Accurate and conservative assessments of the maximum load carried by a structure, as well as the equilibrium path in both the elastic and inelastic range, are of paramount importance to the engineer. The elastic behavior of shells has been closely investigated, mostly by means of the nite element method. Inelastic analysis however, especially accounting for damage effects, has received much less attention from researchers. In this book, we present a computational model for nite element, elasto-plastic, and damage analysis of thin and thick shells. Formulation of the model proceeds in several stages. First, we develop a theory for thick spherical shells, providing a set of shell constitutive equations. These equations incorporate the effects of transverse shear deformation, initial curvature, and radial stresses. The proposed shell equations are conveniently used in nite element analysis. 0 AsimpleC quadrilateral, doubly curved shell element is developed. By means of a quasi-conforming technique, shear and membrane locking are prevented. The element stiffness matrix is given explicitly, making the formulation computationally ef cient. We represent the elasto-plastic behavior of thick shells and plates by means of the non-layered model, using an Updated Lagrangian method to describe a small-strain geometric non-linearity. For the treatment of material non-linearities, we adopt an Iliushin’s yield function expressed in terms of stress resultants, with isotropic and kinematic hardening rules.
Elasto Plastic Analysis Of Orthotropic Plates And Shells
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Author : Benjamin Whang
language : en
Publisher:
Release Date : 1968
Elasto Plastic Analysis Of Orthotropic Plates And Shells written by Benjamin Whang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with categories.
A finite element displacement method is developed for the elasto-plastic analysis of bi-linear strain-hardening orthotropic plates and shells. Two basic approaches in the elasto-plastic analysis, the 'initial stiffness' approach and the 'tangent stiffness' approach are presented and compared. Three separate computer programs have been written; the first two are for the plane stress case. The third program is for the rectangular shallow shells, and it uses elements whose thicknesses are subdivided into equally-spaced layers, each of which is assumed to be in plane stress. (Author).
Analyses Of Elasto Plastic Plates With Cracks
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Author : J. L. Swedlow
language : en
Publisher:
Release Date : 1966
Analyses Of Elasto Plastic Plates With Cracks written by J. L. Swedlow and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Differential equations categories.
The stress and strain in an elasto-plastic plate containing a crack have been obtained. The large deformations and general work-hardening have been taken into consideration. In addition, the results are used to predict a fracture stress as a function of the material's mechanical properties.
Large Deflection Analysis Of Elastic Plastic Plates And Shells
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Author : Pedro V. Marçal
language : en
Publisher:
Release Date : 1969
Large Deflection Analysis Of Elastic Plastic Plates And Shells written by Pedro V. Marçal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with categories.
A finite element method is described for the large displacement elastic-plastic analysis of plates and shells. The method combines the piecewise linear geometric stiffness matrices with the piecewise linear generalized stress strain relations for an elastic-plastic shell. The method is discussed with special reference to a triangular plate element with membrane stretching and flexure. A quadratic displacement function was used for the in-plane displacements, and a piecewise modified complete cubic displacement function was used for the out-of-plane displacements. This last resulted in a nonconforming element which exhibited good convergence features. The method was implemented on a general purpose computer program. Case studies were made of simply supported square plates under uniform pressure. Studies were also made of axisymmetric shells using an axisymmetric shell element. Reselts for both types of structures were found to agree with available theoretical and experimental results in the literature. (Author).
Mathematical Modeling And Finite Element Analysis Of Elastic Plastic Behavior
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Author : Ranbir S. Sandhu
language : en
Publisher:
Release Date : 1981
Mathematical Modeling And Finite Element Analysis Of Elastic Plastic Behavior written by Ranbir S. Sandhu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Plasticity categories.
Large Deflection Elasto Plastic Analysis Of Discretely Stiffened Plates
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Author : Parwiz Djahani
language : en
Publisher:
Release Date : 1977
Large Deflection Elasto Plastic Analysis Of Discretely Stiffened Plates written by Parwiz Djahani and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Elastic plates and shells categories.
An Application Of The Finite Element Method To Elastic Plastic Problems Of Plane Stress
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Author : M. Salmon
language : en
Publisher:
Release Date : 1970
An Application Of The Finite Element Method To Elastic Plastic Problems Of Plane Stress written by M. Salmon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Computer programs categories.
A computer program is presented for the small strain analysis of plane structures in the strain hardening elastic-plastic range. The finite element displacement method is used to perform the linear analyses in the iterative scheme. Bar and constant strain isotropic plane stress triangles are available for use in constructing structural idealizations. The use of ten different sets of material properties, three different material laws, and incremental proportional loading are available as options. Good correlation is shown with available test data and theoretical solutions.
Finite Elements In Plasticity
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Author : D. R. J. Owen
language : en
Publisher:
Release Date : 1980
Finite Elements In Plasticity written by D. R. J. Owen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Elasticity categories.