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Showing 1 to 20 of 50 for “"FE analysis"”.
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Thermal Fe Analysis of Powder Bed Fusion Process: Power Input Evaluation and Parameter Sensitivity
… process. Specifically, a finite element thermal analysis procedure was developed to simulate selective laser melting, one of several PBF processes available on the market. The primary objective was to study how selected parameters of the PBF process affect temperature distributions, since a high …
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Analysis of trabecular bone mechanical properties from magnetic resonance images
… fracture risk. In fact, bone quality is affected also by the bone micro-architecture and material properties. The development of imaging techniques, particularly computed tomography (CT) and magnetic resonance (MR) imaging, allowed the generation of three-dimensional (3D) images for the …
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Micromechanics analysis of space simulated thermal deformations and stresses in continuous fiber reinforced composites
… were investigated with a micromechanics analysis. The investigation focused on two primary areas. First, available explicit expressions for predicting the effective coefficients of thermal expansion (CTE's) for a composite were compared with each other and with a finite element (FE) …
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Characterizing Aircraft Multiple Wheel Load Interaction for Airport Flexible Pavement Design
… values obtained from SW non-linear axisymmetric FE analysis are input into an ELP to solve responses for the MW assembly."
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Adjustment factors for MEPDG pavement responses considering three- dimensional analysis and wide-base tire
… as compared to its predecessor in the design and analysis of pavement structures. The mechanistic (MEDPG analysis) calculates critical pavement responses due to pavement-tire interactions. On the other hand, the empirical part refers to the prediction of pavement distress propagation over time …
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Development and Application of Simplified and Advanced Modeling Procedures for Timber-Concrete Composite Structures
… the strength and fire resistance of concrete, offering several structural, environmental, and economic advantages. A crucial element in the performance of TCC structures is the connection between concrete and timber which determines the effectiveness of the composite action. Among various types …
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Contributions to automatic meshing in the AMORE scheme
Traditional Finite Element (FE) analysis requires the discretisation of continuous bodies into connected meshes of triangles and quadrilaterals (in 2D; tetrahedrals [tet] and hexahedrals [hex] in 3D) elements. Besides the restrictions due to compatibility of adjacent elements, one primary concern …
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The Application and interpretation of linear finite element analysis results in the design and detailing of hogging moment regions in reinforced concrete flat plates
… use the information obtained from this type of analysis to practically design reinforced concrete structures for strength and serviceability criteria. The literature study reviews the analysis of concrete plate type structures using traditional and finite element methods and highlights the …
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A numerical study of Witsenhausen's Counterexample
… controller in the system. Using finite element (FE) analysis, we develop a numerical framework to study this integral equation and understand the structure of optimal controllers. We then solve the integral equation as a mathematical optimization and use our FE model to numerically compute a …
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Finite Element Analysis Of A Test Specimen For Strength Of A Co-polymer Layer At A Bone-implant Interface
… implants to improve their performance and life. Finite element (FE) analysis techniques are used to assess the behavior of the interface layer under static and dynamic loading conditions. The material property of the co-polymer is a function of its composition and water saturation. The …
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Probabilistic Seismic Assessment of Structure, Foundation, and Soil Interacting Systems
… and without soil-structure interaction. Four different approaches of Soil-Structure Interaction (SSI) are tried: (a) Abutments and foundations are assumed to be fixed, (b) Conventional lumped spring approaches are adopted to model abutments and foundations, (c) Lumped springs for abutments and …
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Analytical behaviour of FRP strengthened reinforced concrete beams under low velocity impact load incorporating rate dependant material constitutive models
… are amongst some of the advantages offered by externally bonded FRP systems over traditional strengthening methods. In addition to strengthening for static loading, there are many scenarios where strengthening is required to elements subjected to dynamic loads. The static behaviour of …
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Evaluation of Analysis Methods used for the Assessment of I-walls Stability
… System (HPS) of the area. The system suffered 46 breaches due to water levels overtopping and another four caused by instability due to soil foundation failure. The Interagency Performance Evaluation Task Force (IPET) conducted a study to analyze what happened on the I-wall breach of the …
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Assessing the feasibility of yttria-stabilized zirconia in novel designs as mandibular anterior fixed lingual retention following orthodontic treatment.
The purpose of this study is to explore the feasibility of yttria-stabilized zirconia (Y-TZP) in fixed lingual retention as an alternative to stainless steel. Exploratory Y-TZP specimens were milled to establish design parameters. Next, specimens were milled according to ASTM standard C1161-13 and …
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Effect of Poisson’s Ratio on Material Properties Characterization by Nanoindentation with a Cylindrical Flat Tip Indenter
… to determine the mechanical properties of different kinds of engineering materials. The young’s modulus of the materials can be calculated with the load depth data obtained from an indentation test with a known Poisson’s ratio. In this investigation the NANOVEA micro/nanoindentation tester …
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Development, Calibration, and Validation of a Finite Element Model of the THOR Crash Test Dummy for Aerospace and Spaceflight Crash Safety Analysis
Anthropometric test devices (ATDs), commonly referred to as crash test dummies, are tools used to conduct aerospace and spaceflight safety evaluations. Finite element (FE) analysis provides an effective complement to these evaluations. In this work a FE model of the Test Device for Human Occupant …
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Finite element analysis of combined fracture and delamination on coated substrate under normal and tangential loading
… and tangential loads through a finite element (FE) based methodology. A FE model was built by using the ABAQUS FE analysis software. Half cylinder-on flat contact in a two-dimensional model were carried out with mechanical properties of thermal barrier coating and steel/titanium substrate. In …
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Use of the advanced numerical simulation techniques for the study and improvement of steel-profiles manufacturing processes: Uso de técnicas avanzadas de simulación numérica para el estudio y mejora de procesos de fabricación de perfiles de acero
… and simulation through Finite Elements (FE) analysis of two main sequential production processes, common to most of the manufacturing of long steel products: the cooling process and the straightening process. Thanks to the participation of manufacturing enterprises (PTGGermany y …
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MECHANICAL CHARACTERIZATION OF PORCINE AORTA USING MAGNETIC RESONANCE IMAGING
… Resonance Imaging (MRI) with Finite Element (FE) analysis to define a model of aortic mechanical behaviour. In particular, the aortic fibrous structure was analysed using Diffusion Tensor MRI, the results of which showed that fibres could be tracked in the aortic tissue, and that their angles …
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Dynamics of circular cylindrical shells in contact with fluid.
… are investigated by a classical theoretical analysis, finite element (FE) analysis and experiments. First, the tank-liquid system is modelled mathematically. The effects of axial static compression on shell and fluid modal parameters are investigated. The findings show that the critical …
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