A Compact Nonlinear Solution Method for Two Phase Stefan Problems
Finite element formulations for fluid filling problems with solidification are derived using previously developed unified transformation techniques. The nonlinear formulation for two phase...
Three-Dimensional Finite Element Analysis of Stress and Activation in the Heart
A finite element (FE) method has been developed for three-dimensional (3D) analysis of stress distributions and activation patterns in the left and right ventricles of the canine heart....
Biomechanical Model of a Lumbar Intervertebral Joint?A System Approach
This study was conducted to determine the forces sustained by the lumbar ligaments under flexion-compression using a two-dimensional equilibrium model. The lumbar motion segment was modeled...
Simulation of Head/Neck Response to -Gx Impact Acceleration
The Articulated Total Body (ATB) model has been developed to predictively simulate the head and neck response by specifying a 2-segment/2-joint system driven at the anatomical thoracic...
Elasto-Plastic Analysis of Frames with Bending Moments and Axial Force Interaction
A menu driven computer program has been developed for Nonlinear analysis of plane framed structures. This program utilizes the stiffness method. Only material nonlinearity has been considered....
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...
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...
Input-Output Discrete-Time Control of Structures
This paper outlines an approach for active control of structures based on the identification of a linear difference equation to describe the control loop and the design of a discrete-time...
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...
Cumulants of the Nonlinear Combination of Independent Random Variables
A random variable of interest is often the sum of linear or nonlinear combinations of many independent random variables. In calculating the statistics of this random sum, advantages of...
Large Deflection of Simply Supported Inplane Loading Rectangular Plate Under Uniform Random Pressure
The procedure for obtaining an approximate solution for the mean-square deflection as well as maximum mean-square stress of geometrically nonlinear rectangular plate with arbitary power...
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...
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...
Analysis of Delamination Onset and Growth in Curved Laminates
This paper details an analysis to characterize delamination onset and growth from a matrix crack in a curved composite laminate. Finite element analysis was used to determine values of...
Optimum Design of Laminated Metal Matrix Composites
With the increased demand for high-strength, lightweight materials that function successfully in high temperature environments, the effective development of metal matrix composites has...
Statistical Strength Analysis of Composites
A new modified six parameter Weibull distribution model has been adopted to analyze strength data structure of ARALL laminated and graphite-epoxy composites. This model shows better correlations...
Failure Modes and Toughening Mechanisms in CMC
The paper reports results from stable flexural and tension tests conducted at room temperature on plain matrix and ceramic matrix composite (CMC) specimens. The flexural tests were conducted...
Failure Characterization of Structural FRP Bars
A combined experimental and theoretical investigation on the structural behavior of fiber reinforced plastic (FRP) bars is presented. Test results indicate that the ultimate strength decreases...
Fracture Response of Cement Matrices Reinforced with High Volume Fiber Fraction
Toughening mechanisms of cement matrices reinforced with high volume fiber fraction have been experimentally studied by quantitative image analysis and laser holographic interferometry....
Bond Strength of Reinforcing Bars in SIFCON
This paper presents a brief summary of an ongoing investigation on the bond characteristics of deformed reinforcing bars embedded in a SIFCON matrix. A significant increase in bond strength,...
Return to search