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Showing 1 to 20 of 70 for “"Three-dimensional analysis"”.
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Three-dimensional analysis of slopes.
Thesis. 1978. Sc.D.--Massachusetts Institute of Technology. Dept. of Civil Engineering.
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Three-Dimensional Analysis of Moored Cylinders Used as Breakwaters
… is considered numerically using linear three-dimensional analysis. The breakwater can be used by itself for protection of small structures or as a series of cylinders to protect a harbor, shoreline, or moored vessel from the destructive energy associated with incident water waves. The …
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Three-dimensional analysis of steel frames and subframes in fire.
… analytical model for columns within three-dimensional assemblies in fire conditions. A preliminary investigation into this problem resulted in the development of a simplified approach for the analysis of isolated columns in fire. This model is based on the Perry-Robertson approach to …
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Three-dimensional analysis of surface settlement in soft ground tunneling
… 3D Tunnel" was used to carry out the numerical analysis for the earth pressure balance (EPB) shield tunneling method in a saturated, normally consolidated clay. The two construction parameters that were varied were the face pressure and the grout pressure. Longitudinal settlement profiles were …
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Three-Dimensional Analysis of Wave Attenuation by Anchored Hemicylindrical Shell
The performance of a flexible structure as a breakwater is investigated numerically. The structure is a hemicylinder and is filled with water of uniform pressure. It is anchored along the sides. Only flexural modes are present. The structure is modeled as an elastic shell using the finite element …
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A finite element method for three-dimensional analysis of metal forming
<p>"The importance of metal forming by extrusion was reviewed. A Finite Element Approach was developed to analyze extrusion processes. A brick type linear element and the Upper Bound theorem were used to analyze the extrusion of a cylindrical billet into a square cross-section prism. A minimization …
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Three-Dimensional Analysis of Boundary Layers in Magnetohydrodynamic Open Channel Flow
… the metallurgy industry. This study involves the analysis of the boundary layer structure of non-uniform open channel flow in a rectangular channel, with perfectly conducting sidewalls, an insulating bottom and a uniform magnetic field applied perpendicular to the bottom, the plane of which is …
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Three-dimensional analysis of the flight phase in the long jump
The effect of the flight phase on jumping distance was examined using simulation procedures. Most previous studies of the long jump have focused on the approach and take-off phases of the long jump where the jumper makes contact with the track surface. Under these conditions, force can be measured …
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Three-Dimensional Analysis of Geosynthetic Reinforcement Used in Column-Supported Embankments
… and differential settlements. Current methods of analysis for this material are extremely simplified, and do not thoroughly model the behavior of the system. Therefore, a more comprehensive analysis needs to be conducted that will better predict the true effect of the geosynthetic layer or layers. …
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Three-Dimensional Analysis of Geogrid Reinforcement used in a Pile-Supported Embankment
… design. The geogrid was analyzed using a three-dimensional model that included a cable net to represent the geogrid and linear springs to represent the soil underneath the geogrid. A larger pressure was applied to the geogrid regions that are directly above the pile caps so that arching …
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A Comprehensive Three-Dimensional Analysis of the Wake Dynamics in Complex Turning Vanes
A comprehensive computational and experimental analysis has been conducted to characterize the flow dynamics and periodic structures formed in the wake of complex turning vanes. The vane packs were designed by the StreamVane swirl distortion generator technology, a design system that can …
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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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Approximate Three-Dimensional Analysis of Tall, Reinforced Concrete Buildings by a Multi-Member Element Method
Made available in DSpace on 2014-12-10T22:21:56Z (GMT). No. of bitstreams: 1 7317232.pdf: 6946342 bytes, checksum: d483dd1ff4bc7e29b70b83f0ee40789d (MD5) Previous issue date: 1972
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Application of Crossed-Plane Tomography and Stereo Particle Image Velocimetry for Three-Dimensional Analysis of Premixed Turbulent Flames
… to measure flamelet orientation statistics, three dimensional reactant velocities, and flamelet displacement speeds in a turbulent V-flame. This technique was also used to measure in-plane flamelet curvature in laboratory V-flames. The distribution of flamelet orientations is found to have a …
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Development of domain integral and generalized finite element methods for three dimensional analysis of near-surface cracking in flexible pavements
… approaches succeed to a certain extent in the analysis of classical bottom-up fatigue cracking of relatively thin flexible pavements, where tensile stresses and strains govern the behavior at the asphalt layer. However, elastic theories are incapable of predicting other pavement distresses, …
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Three-Dimensional Analysis of the Development of Upper Arm Musculoskeletal Stress Markers in Late Adolescents and Young Adults of Archaic and Mississippian Populations of Tennessee
<p>This study compares three methods for the evaluation of morphology of musculoskeletal attachment sites. Two methods were macroscopic and the third was microscopic, utilizing three-dimensional laser scanning and fractal analysis The morphology of 19 upper limb attachment sites was observed in 33 …
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Three-dimensional analysis of shoulder movement patterns in shoulders with anterior instability: A comparison of kinematics with normal shoulders and the influence of stabilization surgery.
Introduction: Movement analysis of the shoulder joint requires a system capable of analysing a complex interplay of movements in six degrees of freedom. This study was conducted to investigate the three dimensional kinematics of asymptomatic shoulders, shoulders with anterior instability and …
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Atomic-scale and three-dimensional transmission electron microscopy of nanoparticle morphology
… electron tomographic methods for high-fidelity three-dimensional analysis. Going beyond preceding analyses, high-resolution annular dark-field imaging is used to verify successful nano-sizing of the intermetallic compound GaPd2. It also reveals catalytically significant and crystallographically …
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