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2 edition of Axisymmetric filamentary structures found in the catalog.

Axisymmetric filamentary structures

Astro Research Corporation.

Axisymmetric filamentary structures

by Astro Research Corporation.

  • 109 Want to read
  • 35 Currently reading

Published by National Aeronautics and Space Administration; for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va. in Washington] .
Written in English

    Subjects:
  • Fibrous composites.,
  • Composite construction.

  • Edition Notes

    Statementby A. F. Fraser [and others.
    SeriesNASA contractor report, NASA CR-1518, NASA contractor report ;, NASA CR-1518.
    ContributionsFraser, A. F.
    Classifications
    LC ClassificationsTL521.3.C6 A3 no. 1518, TA418.9.C6 A3 no. 1518
    The Physical Object
    Paginationvii, 107 p.
    Number of Pages107
    ID Numbers
    Open LibraryOL5168504M
    LC Control Number74607345

    The stretching caused by the stirring leads to the formation of filamentary structures with sharp concentration contrasts and, as a result, to fast mixing by diffusion. Mathematical models of this process can be developed which represent fluid flows by random processes; these make it possible to understand the speed of the mixing, and other ~vanneste/ The analysis of axisymmetric solid structures by the FEM is not difficult and follows very similar steps to those explained in the previous chapters for plane elasticity problems. For arbitrary non-axisymmetric loading a full 3D analysis is needed. However, even in these cases the axial symmetry of the structure allows important simplifications

    FILAMENTARY STRUCTURES The growth of filamentous carbon by the catalytic decomposition of hydrocarbons has been the subject of intensive research worldwide for more than a decade. Most of the work, regardless of its source, has centered on the use of Fe, Ni, or their oxides as hydrocarbon decomposition :// The evolution of N(4 S) species produced by filamentary streamer discharge was investigated by two-photon absorption laser-induced fluorescence technique. A triggered single streamer filament was periodically produced in pure nitrogen at pressures of 20, 50, and Torr, and N(4 S) species were monitored in the center of the discharge gap

    CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The question of vortex growth in Euler flows leads naturally to the emergence of paired vortex structure and the “geometric ” stretching of vortex lines. In the present paper, the first of two papers devoted to this question, we examine bounds on the growth of vorticity in axisymmetric flow without ?doi=   Not axisymmetric Definition from Wiktionary, the free dictionary


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Axisymmetric filamentary structures by Astro Research Corporation. Download PDF EPUB FB2

Axisymmetric filamentary structures. Washington] National Aeronautics and Space Administration; for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va. [] (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors:   The general nature of filamentary structures id discussed in depth, and useful qualitative results are obtained for multiple layer nets.

A non-axisymmetric isotensoid (or isocompressoid) is obtained as a special limiting case. The shape is a cylindrical parabo-   NAIPS = non-axisymmetric inflatable pressure structure Nomenclature Axisymmetric Inflatable Pressure Structure (NAIPS).

The NAIPS concept is Filamentary structures enable a variety of packaging schemes without impacting the in-situ performance. These structures fold readily, requiring few if Axisymmetric filamentary structures book added design features to create The semianalysing method of calculating axisymmetric structures under the action of arbi- rary loads is applied to all-round force analysis of cylinder head-cylinder liner group,which turns three-dimensional problem into two-dimensional problem,so that the calculating efficiency a hys.

8^ () 3_ () Pergamon Press. Printed in Great Britain /84$+ THE FILAMENTARY STRUCTURE IN SUNSPOTS HU You-qiu University of Science and Technology, He fei, China Received March 29 ABSTRACT I use the method given in Ref.

[l] to solve the non- axisymmetric magnetostatic equation, to explain the filamentary   The Non-Axisymmetric Inflatable Pressure Structure (NAIPS) design, detailed in Doggett et al1, provides a geometry that includes several zones of low stress in one principle direction, Axisymmetric filamentary structures book to the primary load paths of the structure (Figure 1).

These low principle stresses allow a flexible linear seal to be integrated into the pressure   filamentary regions generally have a declining power-law at high column density, with no pole (Schneider et al.; Kainulainen et al.). To better understand how filaments evolve toward star formation, this paper presents three new 2D axisymmetric models of filamentary structure.

These models have finite spatial Analysis of Axisymmetric Structures and Tanks by the Program ELPLA. Most of mathematical models used in the analysis of circular cylindrical tanks resting on layered soil under static loading are new developed in the program ELPLA.

ELPLA is a user-friendly computer program. It can analyze structures with different types of subsoil :// For structures of this type, it is a usual practice to represent their shapes with a large number of smaller shapes, known as finite elements.

As the displacement method is normally used in finite element analysis, it is evident that one of the main problems to be overcome will be the determination of the element stiffness :// Filamentation (or filamentary structure) is often seen in is created because plasma contains free electrons, making it highly electrically conductive — even more than metals, and even in tenuous cosmic charged particles readily move in a plasma, a ring of magnetic field forms around the current that can pinch it into filamentary current strands (ie.

pinched filaments). Filamentation (or filamentary structure) is often seen in is created because plasma contains free electrons, making it highly electrically conductive -- even more than metals, and even in tenuous cosmic charged particles readily move in a plasma, a ring of magnetic field forms around the current that can pinch it into filamentary current strands (ie.

pinched filaments) Such structures are most easily described mathematically in cylindrical coordinates. (See the accompanying appendixfor a variety of relevant expressions.) For example, to implement the "axisymmetric" constraint in cylindrical coordinates, we set j ®0 in all spatial operators.

By doing this, we derive the   Characterization of the Axisymmetric Structures Driven by the Streaming Instability. Realized by the back reaction of the solid particles (pebbles/dust) to the gas drag, the streaming instability tends to drive axisymmetric filamentary structures in the dust component of a protoplanetary ~ccyang/research/   Perhaps those are the filamentary “dark lanes” seen by astronomers.

The Milky Way galaxy shares characteristics with the rest of its galactic family. Its halo of stars, its filamentary structures, lobes of radiation, its microwave haze, and other observed phenomena point to Analysis and Optimization of Prismatic and Axisymmetric Shell Structures features: comprehensive coverage of the background theory of shell structures; development and implementation of reliable, creative and efficient computational tools for static and free-vibration analysis and structural optimization of variable-thickness shells and folded  › Engineering › Civil Engineering.

In astronomy, filamentary structures in galaxies are of great interest (e.g., [9]) for cosmological studies. This is not to mention networks formed by blood vessels in the body for anatomy, river   Civilax on Analysis and Optimization of Prismatic and Axisymmetric Shell Structures: Theory, Practice and Software ABOUT US Civilax based to server in Civil Engineering provides ETABS and SAP Tutorials, Civil Engineering Spreadsheets, Civil Engineering e-books and Many more Civil Engineering ://   We present an interferometric kinematic study of morphologically complex protostellar envelopes based on observations of the dense gas tracers N 2 H + and NH 3.

The strong asymmetric nature of most envelopes in our sample leads us to question the common interpretation of velocity gradients as rotation, given the possibility of projection effects in the observed :// 16T/abstract.

On the origin of filamentary structure in sunspot penumbrae: Linear instabilities Article in Monthly Notices of the Royal Astronomical Society (2) - December with 10 Reads Veselovsky Quanming Lu, and G. Zank, From micro- to macro-scales in the heliosphere and magnetospheres, in IAGA Special Sopron Book Series, the Sun, the solar wind, and the heliosphere, Volume 4, Part 5,?entrance.

The behavior of cylindrical steel tanks in earthquakes has been documented during post-earthquake reconnaissance dating back to the San Juan earthquake in ://  We have analyzed the statistical properties of solutions to the Burgers equation with random initial data and random forcing.

This series of work provided answers to some of the questions that Burgers proposed back in the early 20th century, and resolved some of controversies concerning the asymptotics of the probability distribution functions for the random forced Burgers ://~weinan.Analysis of axisymmetric, rotating pressurized filamentary structures / By O.

R. Burggraf, H. U. (Hans U.) Schuerch and United States. National Aeronautics and Space Administration. Abstract. Cover title."May "Includes bibliographical of access: Internet Topics