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Monday, August 3, 2020 | History

3 edition of Mechanics of Seafloor Penetration by an Axisymmetric Tube found in the catalog.

Mechanics of Seafloor Penetration by an Axisymmetric Tube

United States. Bureau of Mines.

Mechanics of Seafloor Penetration by an Axisymmetric Tube

Static Penetration Studies.

by United States. Bureau of Mines.

  • 144 Want to read
  • 30 Currently reading

Published by s.n in S.l .
Written in English


Edition Notes

1

SeriesReport of investigations (United States. Bureau of Mines) -- 7451
ContributionsTerichow, O.
ID Numbers
Open LibraryOL21740542M

This paper presents the findings of an international jack-up leg penetration prediction event, organized by the International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE. An axisymmetric finite element (FE) model was developed to simulate cone penetration for the prediction of the hardpan location in a layered Norfolk sandy loam soil.

D. Huy Bich and H. Van Tung, “Non-linear axisymmetric response of functionally graded shallow spherical shells under uniform external pressure including temperature effects,” International Journal of Non-Linear Mechanics, vol. 46, no. 9, pp. –, Author: Rong Xiao, Danhui Dan, Wei Cheng. Modeling the indentation, penetration and cavitation of elastic membranes Article in Journal of the Mechanics and Physics of Solids 54(10) October with 79 Reads How we measure.

Mark S. Ramsey P. E., in Practical Wellbore Hydraulics and Hole Cleaning, Surface and Bottom-Hole Pressures. At any point, surface pumping pressure (i.e., “ standpipe pressure ” for a drilling rig) will consist of frictional losses (including sometimes time-dependent fluid properties) and inertial effects. Friction losses can be further broken down into surface piping losses. Adie, J.F. and Alexander, J.M. (), A Graphical Method of Obtaining Hodographs to Axisymmetric Problems, Int. J. Mech. Sci., 9, zbMATH Google ScholarAuthor: J. Chakrabarty.


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Mechanics of Seafloor Penetration by an Axisymmetric Tube by United States. Bureau of Mines. Download PDF EPUB FB2

Additional Physical Format: Online version: Terichow, Oleg. Mechanics of seafloor penetration by an axisymmetric tube. [Washington, D.C.]: U.S. Dept. of Interior. The Bureau of Mines studied the penetration of a slender cylindrical tube into a sand bed, simulating seafloor material under the application of a static load.

The factorial experimental design was based on three factors: tube diameter, geometry of penetrating bit, and seawater saturation of sand, all of which were found to be significant in influencing the depth of penetration. Mechanics of seafloor penetration by an axisymmetric tube: static penetration studies / By Oleg.

Terichow and United States. Bureau of Mines. Abstract "November "graphy: p. Mode of access: Internet Topics: Ocean mining. The results are compared with the singular perturbation solution of Bretherton (J. Fluid Mech., 10 (), pp.

When the axisymmetric finger moves through a tube, a fraction m of the viscous fluid is left behind on the walls of the tube. The fraction m was measured experimentally by Taylor (J.

Fluid Mech., 10 (Cited by: Modeling Axisymmetric Flows: Dynamics of Films, Jets, and Drops is the first book to cover the topics of axisymmetric laminar flows; free-boundary flows; and dynamics of drops, jets, and films.

The text also features comparisons of models to experiments, and it includes a large selection of. The moment-curvature response of a long circular tube bent in a plastic range differs from that of a corresponding inelastic beam because of the bending-induced ovalization of the tube cross section.

The growing ovalization causes a progressive reduction in bending rigidity, eventually resulting in the attainment of a moment maximum (limit moment). When the axisymmetric finger moves through a tube, a fraction m of the viscous fluid is left behind on the walls of the tube.

The fraction m was measured experimentally by Taylor (J. Fluid Mech Cited by: The Axisymmetric Deformation of Linearly and Nonlinearly Elastic Spinning Tubes Under End Thrusts and Torques T. McDevitt, and the penetration of these layers into the tube which, for certain anisotropic materials, may be considerably different from isotropic materials.

Remarkably, we find that the behavior of a tube made of a linearly Author: T. McDevitt, J. Simmonds. Thick Cylindrical Pressure Vessel Axisymmetric Finite Element Analysis using Creo Simulate. Crack propagation near the butt-weld caused by the stress concentration of the notch.

This simulation is part of the research focused on the performance of w. *** Most tutorials are provided to everyone who can access this channel. Please enjoy my tutorials and any questions regarding tutorials will be welcomed.

Part of the Solid Mechanics and Its Applications book series (SMIA, volume ) Abstract We saw in the last chapter that the equilibrium equations for an axisymmetric shell can be satisfied by membrane stresses σ 1,σ 2, which are uniform through the thickness of the by: 2.

56 videos Play all EGR Mechanics of Materials UWMC Engineering World's Most Famous Hacker Kevin Mitnick & KnowBe4's Stu Sjouwerman Opening Keynote - Duration: Cyber Investing Summit. This paper describes design methods for the plastic hull of an Unmanned Underwater Vehicle (UUV), with a particular focus on its cylindrical body and nearly spherical domes at the ends.

With the proposed approach, the methodologies reported in the literature were compared, and suitable modifications and improvements were investigated and implemented to extend the classical theories and data to Author: Alessia Meschini, Alessandro Ridolfi, Jonathan Gelli, Marco Pagliai, Andrea Rindi.

In order to find the particular solution by using surface source distribution, a Green's function which satisfies inhomogeneous surface boundary condition is proposed both in integral and series forms. The effect of surface source distribution zone on the solution is discussed.

simulation of penetration of hollow cylinder in soil. Sun, - Geotech I am modelling the penetration of a hollow cylinder into the saturated soil by axisymmetric model using Abaqus I defined saturated soil and cylinder body with.

An ideal resource for civil engineers working with offshore structures, pipelines, dredging, and coastal erosion, Seafloor Processes and Geotechnology bridges the gap between the standard soil mechanics curriculum of civil engineering and published material on marine geotechnology.

Utilizing organized information on sediments and foundations for ma. In the present paper the method of generation of exact solutions for symmetrically laminated cross-ply and specially orthotropic cylindrical shells subjected to an axisymmetric pressure and torsion is developed using a third-order shear deformation theory published by Soldatos [lo].

Since the fluid cannot penetrate into the solid body, its velocity normal the surface, (un) n, must locally equal that of the solid, un = Un. So, since u = ∇φ, n∇φ= ∂φ ∂n = Un; () the velocity potential satisfies Neumann boundary conditions at the solid body Size: KB.

Thus, the melt freezing behavior in an instrument tube is a key factor that concerns the failure of the reactor pressure boundary. In this study, the moving particle semi-implicit (MPS) method was adopted to analyze the melt penetration and solidification behaviors in a by:.

Finite Element Analysis using Femap, NX Nastran and LS-DYNA. Consulting, Training and Sales   The main results i'm looking for droplet size distribution, spray penetration.

I'm using 2d axisymmetric model. Boundary Conditions (in GAMBIT) i'm using are as follows: Axis; Wall (side, bottom, and top) Velocity Inlet (the top line is made up of two segments, the smaller segment is the velocity inlet, the larger one the wall).Machine learning (ML) in Mechanics is a fascinating and timely topic.

This article follows from a kind invitation to provide some thoughts about the use of ML algorithms to solve mechanics problems by overviewing my past and current research efforts along with students and collaborators in this field.

A brief introduction on ML is initially.