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Structural Aspects of Femoral Head Osteonecrosis
Orthopaedic management of early stage osteonecrosis (ON) of the femoral head is aimed at delaying or preventing collapse of structurally weakened regions of repairing dead bone. The advent...

Finite Element Stress Analysis of a Spinal Segment
A large number of factors need to be determined to understand the biomechanics of a surgical procedure about the lumbar spine. Some of these factors are amenable to experimental investigations...

Biomechanics of Local Articular Incongruities
Abnormalities of intra-articular contact near sites of local surface incongruity are frequently associated with secondary osteoarthrosis. We here review a series of experimental and computational...

Effects of Random Errors on Space Station Truss
Results of Monte Carlo simulations of structural responses of a finite element model of a space station truss to random member length imperfections are reported The results reveal that...

Using a Linearized Yield Surface in Dynamic Analysis
This paper describes an application of the finite element method to dynamic analysis of systems which exhibit material nonlinearity. A time history approach is used with a central difference...

Vibration of Plates with Corner Stress Singularities
A method of analysis is presented to determine the free vibration frequencies of plates having corner stress singularities. Displacements are assumed in the form of polynomials, and corner...

Linear Elastic Finite Element Analysis of Axisymmetric Shells on Elastic Foundations
Thin-walled cylindrical silos containing compacted bulk solids show a significant increase in strength over empty silos under meridional compression. A finite element model is used which...

The Analysis of a Spherical Shell
The analysis of a spherical shell may be performed by using the integral equation method. For a continuum structure, this method is computationally efficient and requires simple input...

Engineering Applications of the Analysis of a Spherical Shell
In a companion paper, a set of two integral equations have been established for a spherical shell under axisymmetric loads. This set of equations may be solved numerically by using Nystrom...

Spherical Shells with Nonuniform Rigidity
An iterative finite difference technique is presented in this paper for the analysis of axisymmetric spherical shells with variable wall thickness. The proposed method of solution is based...

Curvature Effects on the Deflection and Vibration of Cross-Ply Shallow Shells
The use of high performance materials is becoming increasingly significant in structures subjected to severe loading conditions. Effects of curvature on the stiffness characteristics of...

On the Solution of Plates and Shells Mixed Boundary Problems
Strain-stress state analysis on plates and shells under mixed boundary conditions is of significant practical value: a lot of problems, arisen in machine design, civil engineering etc.,...

Foias-Temam Approximations of Attractors for Galloping Oscillators
A method for the algebraic approximation of attractors recently developed by Foias and Temam is adapted for application to autonomous galloping oscillators. We compare results obtained...

Chaotic Response and Stability of Rocking Rigid Objects
An analytical method and numerical results for predicting the existence of chaotic response of rocking rigid objects subjected to harmonic horizontal based excitation are presented. It...

Elastic Stability of Non-Rectangular Plates
Non-rectangular plates may have infinite number of geometric configurations. Idealized pattern of practical shapes is chosen to be a sample for these plates. The present paper is concerned...

Buckling of Lamianted Plates Using h-p Finite Strips
The paper presents a computationally efficient alternative to the finite element method for the initial buckling analysis of long, shear-deformable composite laminates. In addition the...

Finite Element Stability of Eccentrically Stiffened Plates
A finite element model is developed to investigate the elastic stability of eccentrically stiffened rectangular plates. The formulation is based on the behavior of the plate-stiffener...

A Comparison of Modeling Techniques for the Buckling of Stiffened Shells
Different techniques are used to compute the collapse loads of a family of stiffened shells. Large differences are observed between the various predictions. Detailed numerical studies...

Localized Collapse of Shells of Revolution
A local-global methodology is presented to treat the problems of localized collapse of shells of revolution. The strategy consists of employing two dimensional general shell elements in...

Methodology for Developing an Engineering Solution for Web Crippling
This paper describes the methodology used to develop an engineering solution for web crippling of aluminum trapezoidal sections. The development has two steps. The functional form for...

 

 

 

 

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