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A Shear Locking Free Three-Node Triangular Plate Bending Element for Moderately-Thick and Thin Symmetrically Cross-Ply Laminated Plates
A shear locking free three-node triangular plate bending element based on Reissner/Mindlin theory for symmetric general cross-ply laminated plates is developed. The element has total nine...

Stress Wave Interaction in Finite Beam on Elastic Foundation
The short-time behavior of a finite Timeshenko beam on a Winkler foundation subjected to step and impulse loadings is presented. The transient behavior was analyzed by using the method...

Shear Flow Between Walls in Relative Motion
The paper reports on experiments on Couette flow, i.e., the shear-induced flow between surfaces which are in motion relative to each other. The novel aspect of the work is the appearance...

Highly Accurate Adaptive hp-Methods for Linear Elastostatics
A new class of highly accurate, self-adaptive computational methods for two- and three-dimensional elastostatics problems is presented which can deliver solutions to general boundary-value...

Harmonic Excitation of an Unconstrained Saturated Particle Bed
Past research on the flow of concentrated cohensinless mixtures have historically emphasized steady or quasi-steady motions while dynamic effects have received little attention in comparison....

Postbuckling Behavior of Stiffened Composite Shell Panels
The paper summarizes the current status of an ongoing study on the postbuckling behavior of thick and moderately thick composite stiffened shells. Axially compressed moderately thick panels...

Variational Solutions of the Von Karman Plate Theory Based on a Mixed Formulation
A mixed formulation, involving the transverse deflection w(x,y) and the in-plane stress function F(x,y) as the unknown variables, will be used to obtain improved variational solutions...

Leakage Characteristics of the St. Jude Heart Valve
The requirement for anticoagulant therapy in patients implanted with mechanical heart valve prostheses is well known. A plausible explanation for this requirement is that the leakage flow...

Intra Vena Cava Balloon Pumping
An innovative prototype intravenous hollow-fiber oxygenator was developed in 1984 by B.G. Hattler. The device consisted of a microporous, hollow-fiber membrane oxygenator inserted into...

The Effective Stress Path for Soil at High Pressure
The effect of increasing stiffness in the soil skeleton on the effective stress path in undrained triaxial compression tests is experimentally examined and found to not be significant....

A Sphere Moving Down an Inclined Bumpy Surface
A sphere moving down a bumpy incline in the air is studied theoretically and experimentally. A method based on the principle of energy conservation is used to express the average velocity...

Shear Resistance Models for Concrete Bridges
Statistical models are developed for the shear resistance of concrete bridge girders. Two structural types are considered: reinforced concrete T-beams and prestressed concrete AASHTO girders....

Fluid Dynamics at the Carotid Bifurcation
Arterial wall distensibility is believed to be of secondary importance to the general flowfield of the human carotid artery. However, it has been reported that it may have greater influence...

The Generalized Brazier Problem for Orthotropic Straight Tubes of Finite Length
A new engineering approach, based upon a mixed variational functional, is presented for the analysis of the nonlinear static behavior of thin-walled, circular-cross-section cylindrical...

Crushing Response of Energy Absorbing Composite Structure
A description of why and how composite structures crush and absorb energy is presented. The three primary crushing modes of composite structure (transverse shearing, lamina bending and...

Unconfined Granular Materials Thermalized by Fluctuating Horizontal Surfaces
We calculate the solid fraction and granular temperature throughout assemblies of identical, smooth, inelastic spheres that are unconfined from above and thermalized from below by bumpy,...

Eigenproperties of a Twisted, Nonuniform Rotating Beam by the Finite Element Method
A initially twisted blade with nonuniform properties along the length, is rotating with constant angular velocity about an axis perpendicular to it's elastic axis. The blade is modeled...

Stochastic Finite and Boundary Elements
The random coefficients in partial differential equations, which govern the responses of stochastic thermo-mechanical systems, (Dasgupta, 1991), pose a computational challenge. The large...

Finite/Macroelement Meshes in Neural Rat Growth
The well known attributes of neural rat growth during 7 to 14 days postnatally are used to demonstrate the decrease in calculated growth discontinuities with macro, as opposed to finite,...

Flow Dynamics in an End-to-End Vascular Graft Junction
A study consisting of both experimental and numerical methods was performed to determine flow dynamics in the vicinity of an end-to-end anastomosis. The experimentally determined geometries...

 

 

 

 

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