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Showing 1 to 20 of 22 for “"3D Finite Element Model"”.
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An Investigation of Humeral Stress Fractures in Racing Thoroughbreds Using a 3D Finite Element Model in Conjunction with a Bone Remodeling Algorithm
… exhibit humeral fracture has made equines useful models in the epidemiology of stress fractures. In this study, a racing Thoroughbred humerus was simulated during training using a 3D finite element model in conjunction with a bone remodeling algorithm. Nine muscle forces and two contact forces …
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Effect of cutting tool microgeometry when milling hardened steels, a finite element simulation and surface integrity analysis
This research work presents a 3D finite element model for the milling of hardened steels. The model was developed using ABAQUS/Explicit software and the Lagrangian approach was utilized. Experimental milling tests were performed to validate the numerically generated cutting forces and chip …
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Finite element analysis of cell subjected to compressive loading
A 3D finite element model was built to study the mechanical response of the cell to load. The model included major structural components of a cell like cytoskeletal elements, cell membrane and the presence of internal fluid pressure. The cell was considered as a pressurized, fluid filled bag where …
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Numerical simulation of ground movements and structural forces in lining for Earth Pressure Balance (EPB) tunneling in clay
This thesis describes the development of a 3D finite element model for representing mechanized tunnel construction using an Earth Pressure Balance (EPB) machine in clay. The model uses the commercial FE code, Plaxis 3D, to represent the face pressure, conical shield, grouting process and activation …
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Numerical modelling of the Oldroyd-B fluid
The purpose of this thesis is to develop a 3D finite element model of the Oldroyd-B fluid for use in a complex geometry. The model is developed in deal.ii, which is a C++ finite element library. In addition to the standard finite element approach for the momentum equation, the discontinuous …
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Investigation of effect of process parameters on multilayer builds by direct metal deposition
… A commercial ABAQUS/CAE software was used to model this process by developing a thermo-mechanical 3D finite element model. This work presents a 3D heat transfer model that considers the continuous addition of mass in front of a moving laser beam using ABAQUS/CAE software. The model assumes the …
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A finite element study of the mechanics of micro-groove machining of 4340 steel
… purpose of process improvements. Therefore, a 3D Finite Element (FE) model was developed to study the microgroove cutting process. However, the frictional heat has not been considered in the previous FE models and could have big impact on predictions of the side burr height, chip thickness, …
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OCTG Premium Threaded Connection 3D Parametric Finite Element Model
Full 360 degree 3D finite element models are the most complete representation of Oil Country Tubular Goods (OCTG) premium threaded connections. Full 3D models can represent helical threads and boundary conditions required to simulate make-up and service loading. A methodology is developed to create …
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A patient-specific FSI model for vascular access in haemodialysis
… image (MRI) technology and computational modelling of blood flow, with a view to improving therapeutic strategies of disease requiring vascular interventions. This thesis presents the construction and development of a 3D finite element model of the fluid-structure interaction in a …
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Nonlinear Finite Element Analysis of FRP Strengthened RC Beams under Static and Cyclic Loads
… RC beams under static load. Very few finite element models for analysis of FRP-RC beam have been developed under cyclic load, and also the degradation of material properties of concrete, steel and FRP with number of cycles have been neglected in the existing few models. Most of the …
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Wellbore instability mechanisms in clays
… in Ko-consolidated clays using non-linear finite element method (FEM) and effective stress soil models to characterize the behavior of clay and unconsolidated shale formations. Two constitutive models are used: Modified Cam Clay (MCC; Roscoe and Burland, 1968), and MIT-E3 (Whittle and …
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Numerical and Experimental Investigations on Static Behaviour of Composite Cold-Formed Steel and Timber Flooring System
… of composite action. A three-dimensional (3D) finite element model was developed in ANSYS software and validated against the experimental results. The validated numerical model was used for parametric studies to investigate the influence of various factors that affect the structural …
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Evaluation of the need for longitudinal median joints in bridge decks on dual structures
… were used to calibrate a three-dimensional (3D) Finite Element Model (FEM). Three different types of loading-live loading, thermal loading and shrinkage loading-were applied and used to calibrate the analytical model. A parametric study was then conducted using the calibrated FEM.</p> <p>The …
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Development of a high-speed high-precision micro-groove cutting process
… formation at the small size scale involved, a 3D finite element model of the process was developed. Validation with experimental results showed that on average the model predicted side burr height to within 2.8%, chip curl to within 4.1%, and chip thickness to within 25.4%. An important finding …
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Numerical and experimental methods for seismic risk assessment of civil and industrial structures
… elbows and flanges, are analysed with a detailed 3D finite element model. For this purpose, a mechanical model of bolted flange joints is developed, able to predict the leakage limit state, based on experimental data. A significant effort is also devoted to identification of a leakage limit state …
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Development of meso-scale flexible cutting tool for micro-groove cutting in steel
… mechanics of micro-groove cutting in steel, the 3D finite element model for aluminum groove machining developed previously has been enhanced to include an thermo-elastic-plastic model of steel workpiece using Lagrangian formulation material and its related mechanical and thermal properties, and …
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Seismic Analysis and Response of Highway Bridges with Hybrid Isolation
… was numerically validated by conducting finite element analyses of a prototype bridge using SAP2000 for several different configurations of the bridge: (1) bridge with conventional details and unrestrained girders at the abutments, (2) fully isolated bridge, and (3) hybrid isolated bridge …
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Lateral Torsional Buckling of Built-Up Beams
… part of the study develops a three-dimensional finite element model to simulate the elastic LTB behaviour of two-ply built-up beams. The model captures relative slip between plies and idealizes fasteners as discrete springs at the ply interfaces by assigning shear stiffness in both longitudinal …
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Nonlinear Dynamic Response of Flexible Membrane Structures to Blast Loads
The present work describes the finite element (FE) modeling and dynamic response of lightweight, deployable shelters (tent) to large external blast loads. Flexible shelters have been used as temporary storage places for housing equipments, vehicles etc. TEMPER Tents, Small Shelter System have been …
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Integridad estructural de vainas de combustible nuclear en condiciones de almacenamiento temporal en seco
… Zirlo®, material utilizado actualmente en los elementos combustibles de los reactores de agua ligera a presión (PWR) del parque nuclear español. Se empleó un procedimiento de carga catódica en medio básico para introducir cantidades controladas de hidrógeno en las vainas de zirlo. Mediante un …
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