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RISFinite Element Stress Analysis of a Push-Out Test Part 1: Fixed Interface Using Stress Compatible Elements
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this first part of a two-part paper, interelement stress compatible finite elements are developed and used to perform the stress analysis of a push-out test with a fixed interface. In the ...
Analysis of Role of Bone Compliance on Mechanics of a Lumbar Motion Segment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A large deformation elasto-static finite element formulation is developed and used for the determination of the role of bone compliance in mechanics of a lumbar motion segment. This is done ...
Finite Element Stress Analysis of a Push-Out Test Part II: Free Interface With Nonlinear Friction Properties
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this second part of a two-part paper, nonlinear frictional properties measured at the bone/porous-surfaced metal interface are used to perform the stress analysis of a push-out test assuming ...
Evaluation of Several Turbulence Models for Turbulent Flow in Concentric and Eccentric Annuli
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Turbulent flow in concentric and eccentric annuli is numerically simulated as part of an investigation aimed at modeling drilled cuttings transport in wellbores. A numerical code is developed ...
A CFD Based Correlation for Erosion Factor for Long-Radius Elbows and Bends
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A model for predicting sand erosion in 90 degree elbows and bends has been developed based on computational fluid dynamics (CFD), particle tracking and erosion data. After the flow field was ...
Stabilizing Role of Moments and Pelvic Rotation on the Human Spine in Compression
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The mechanisms by which the human spinal column in neutral postures can resist relatively large axial compression forces with no abnormal motions or instabilities remain yet unknown. A nonlinear ...
Nonlinear Gross Response Analysis of a Lumbar Motion Segment in Combined Sagittal Loadings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A 3-D nonlinear mathematical model is used to analyze the mechanical response of a lumbar L2–3 motion segment including the posterior elements when subjected to combined sagittal plane loads. ...
Numerical Simulation of Drag Reducing Turbulent Flow in Annular Conduits
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Inadequate transport of rock cuttings during drilling of oil and gas wells can cause major problems such as excessive torque, difficulty to maintain the desired orientation of the drill string, ...
Lateral Loading of a Rigid Rock Socket Embedded in a Damage-Susceptible Poroelastic Solid
Publisher: American Society of Civil Engineers
Abstract: The paper presents a computational assessment of the influence of damage on the behavior of a rigid rock socket embedded in a fluid-saturated poroelastic solid. The iterative computational scheme takes into consideration ...
Local Velocity Measurements and Computational Fluid Dynamics (CFD) Simulations of Swirling Flow in a Cylindrical Cyclone Separator
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Local measurements and 3D CFD simulations in gas-liquid cylindrical cyclone separators are scarce. The main objective of this study is to conduct local measurements and 3D CFD simulations to ...