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Grid2d 3d A Computer Program For Generating Grid Systems In Complex Shaped Two And Three Dimensional Spatial Domains
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781723139819 Total Pages :104 pages Book Rating :4.1/5 (398 download)
Book Synopsis Grid2d/3D by : National Aeronautics and Space Administration (NASA)
Download or read book Grid2d/3D written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-18 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: An efficient computer program, called GRID2D/3D was developed to generate single and composite grid systems within geometrically complex two- and three-dimensional (2- and 3-D) spatial domains that can deform with time. GRID2D/3D generates single grid systems by using algebraic grid generation methods based on transfinite interpolation in which the distribution of grid points within the spatial domain is controlled by stretching functions. All single grid systems generated by GRID2D/3D can have grid lines that are continuous and differentiable everywhere up to the second-order. Also, grid lines can intersect boundaries of the spatial domain orthogonally. GRID2D/3D generates composite grid systems by patching together two or more single grid systems. The patching can be discontinuous or continuous. For continuous composite grid systems, the grid lines are continuous and differentiable everywhere up to the second-order except at interfaces where different single grid systems meet. At interfaces where different single grid systems meet, the grid lines are only differentiable up to the first-order. For 2-D spatial domains, the boundary curves are described by using either cubic or tension spline interpolation. For 3-D spatial domains, the boundary surfaces are described by using either linear Coon's interpolation, bi-hyperbolic spline interpolation, or a new technique referred to as 3-D bi-directional Hermite interpolation. Since grid systems generated by algebraic methods can have grid lines that overlap one another, GRID2D/3D contains a graphics package for evaluating the grid systems generated. With the graphics package, the user can generate grid systems in an interactive manner with the grid generation part of GRID2D/3D. GRID2D/3D is written in FORTRAN 77 and can be run on any IBM PC, XT, or AT compatible computer. In order to use GRID2D/3D on workstations or mainframe computers, some minor modifications must be made in the graphics part of the program; no modifica...
Book Synopsis GRID2D/3D: A Computer Program for Generating Grid Systems in Complex-shaped Two- and Three-dimensional Spatial Domains. Part 1: Theory and Method by :
Download or read book GRID2D/3D: A Computer Program for Generating Grid Systems in Complex-shaped Two- and Three-dimensional Spatial Domains. Part 1: Theory and Method written by and published by . This book was released on 1990 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis GRID2D/3D, a Computer Program for Generating Grid Systems in Complex-shaped Two- and Three-dimensional Spatial Domains by :
Download or read book GRID2D/3D, a Computer Program for Generating Grid Systems in Complex-shaped Two- and Three-dimensional Spatial Domains written by and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis GRID2D/3D: A Computer Program for Generating Grid Systems in Complex-shaped Two- and Three-dimensional Spatial Domains. Part 2: User's Manual and Program Listing by :
Download or read book GRID2D/3D: A Computer Program for Generating Grid Systems in Complex-shaped Two- and Three-dimensional Spatial Domains. Part 2: User's Manual and Program Listing written by and published by . This book was released on 1990 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781723139970 Total Pages :114 pages Book Rating :4.1/5 (399 download)
Book Synopsis Grid3d-V2 by : National Aeronautics and Space Administration (NASA)
Download or read book Grid3d-V2 written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-17 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to generate good quality systems for complicated three-dimensional spatial domains, the grid-generation method used must be able to exert rather precise controls over grid-point distributions. Several techniques are presented that enhance control of grid-point distribution for a class of algebraic grid-generation methods known as the two-, four-, and six-boundary methods. These techniques include variable stretching functions from bilinear interpolation, interpolating functions based on tension splines, and normalized K-factors. The techniques developed in this study were incorporated into a new version of GRID3D called GRID3D-v2. The usefulness of GRID3D-v2 was demonstrated by using it to generate a three-dimensional grid system in the coolent passage of a radial turbine blade with serpentine channels and pin fins. Steinthorsson, E. and Shih, T. I-P. and Roelke, R. J. Glenn Research Center APPLICATIONS PROGRAMS (COMPUTERS); COMPUTATIONAL GRIDS; GRID GENERATION (MATHEMATICS); MATHEMATICAL MODELS; THREE DIMENSIONAL MODELS; ALGEBRA; BOUNDARIES; CUSPS (MATHEMATICS); FORTRAN; INTERPOLATION; SPLINE FUNCTIONS; TURBINE BLADES; TWO DIMENSIONAL MODELS...
Book Synopsis GRID3D-v2: An Updated Version of the GRID2D/3D Computer Program for Generating Grid Systems in Complex-shaped Three-dimensional Spatial Domains by :
Download or read book GRID3D-v2: An Updated Version of the GRID2D/3D Computer Program for Generating Grid Systems in Complex-shaped Three-dimensional Spatial Domains written by and published by . This book was released on 1991 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis GRID3D-v2 by : Erlendur Steinthorsson
Download or read book GRID3D-v2 written by Erlendur Steinthorsson and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 1460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Handbook of Grid Generation by : Joe F. Thompson
Download or read book Handbook of Grid Generation written by Joe F. Thompson and published by CRC Press. This book was released on 1998-12-29 with total page 1136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Grid Generation addresses the use of grids (meshes) in the numerical solutions of partial differential equations by finite elements, finite volume, finite differences, and boundary elements. Four parts divide the chapters: structured grids, unstructured girds, surface definition, and adaption/quality. An introduction to each section provides a roadmap through the material. This handbook covers: Fundamental concepts and approaches Grid generation process Essential mathematical elements from tensor analysis and differential geometry, particularly relevant to curves and surfaces Cells of any shape - Cartesian, structured curvilinear coordinates, unstructured tetrahedra, unstructured hexahedra, or various combinations Separate grids overlaid on one another, communicating data through interpolation Moving boundaries and internal interfaces in the field Resolving gradients and controlling solution error Grid generation codes, both commercial and freeware, as well as representative and illustrative grid configurations Handbook of Grid Generation contains 37 chapters as well as contributions from more than 100 experts from around the world, comprehensively evaluating this expanding field and providing a fundamental orientation for practitioners.
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 846 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1992-11 with total page 1388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Memorandum written by and published by . This book was released on 1990 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computational Modeling for Fluid Flow and Interfacial Transport by : Wei Shyy
Download or read book Computational Modeling for Fluid Flow and Interfacial Transport written by Wei Shyy and published by Courier Corporation. This book was released on 2014-06-10 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: Practical applications and examples highlight this treatment of computational modeling for handling complex flowfields. A reference for researchers and graduate students of many different backgrounds, it also functions as a text for learning essential computation elements. Drawing upon his own research, the author addresses both macroscopic and microscopic features. He begins his three-part treatment with a survey of the basic concepts of finite difference schemes for solving parabolic, elliptic, and hyperbolic partial differential equations. The second part concerns issues related to computational modeling for fluid flow and transport phenomena. In addition to a focus on pressure-based methods, this section also discusses practical engineering applications. The third and final part explores the transport processes involving interfacial dynamics, particularly those influenced by phase change, gravity, and capillarity. Case studies, employing previously discussed methods, demonstrate the interplay between the fluid and thermal transport at macroscopic scales and their interaction with the interfacial transport.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1990 with total page 1280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis AIAA/DGLR Fifth International Aerospace Planes and Hypersonics Technologies Conference: 93-5000 - 93-5049 by :
Download or read book AIAA/DGLR Fifth International Aerospace Planes and Hypersonics Technologies Conference: 93-5000 - 93-5049 written by and published by . This book was released on 1993 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book 92-3800 - 92-3834 written by and published by . This book was released on 1992 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis AIAA/SAE/ASME/ASEE 27th Joint Propulsion Conference: 91-2501 - 91-2558 by :
Download or read book AIAA/SAE/ASME/ASEE 27th Joint Propulsion Conference: 91-2501 - 91-2558 written by and published by . This book was released on 1991 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
