High Performance Computing in Science and Engineering’ 04: by Prof. Dr. Harms Ruder, Dr. Roland Speith (auth.), Egon

By Prof. Dr. Harms Ruder, Dr. Roland Speith (auth.), Egon Krause, Willi Jäger, Michael Resch (eds.)

This booklet provides the cutting-edge in modelling and simulation on supercomputers. major German examine teams current their effects completed on high-end structures of the excessive functionality Computing heart Stuttgart (HLRS) for the yr 2004. The reviews disguise all fields of computational technology and engineering starting from computational fluid dynamics through computational physics and chemistry to machine technology. distinctive emphasis is given to industrially proper functions. providing effects for either vector-systems and micro-processor established platforms the publication permits to match functionality degrees and value of numerous supercomputer architectures. within the mild of the luck of the japanese Earth-Simulator this ebook could function a advisor e-book for a US reaction. The e-book covers the most tools in excessive functionality computing. Its striking ends up in attaining optimum functionality for construction codes are of specific curiosity for either the scientist and the engineer. The ebook comes with a wealth of colored illustrations and tables of results.

Show description

Read Online or Download High Performance Computing in Science and Engineering’ 04: Transactions of the High Performance Computing Center Stuttgart (HLRS) 2004 PDF

Best computing books

PostGIS Cookbook

Http://www. packtpub. com/postgis-to-store-organize-manipulate-analyze-spatial-data-cookbook/book

Integrate PostGIS with internet frameworks and enforce OGC criteria equivalent to WMS and WFS utilizing MapServer and GeoServer
Convert second and 3D vector info, raster information, and routing info into usable forms
Visualize info from the PostGIS database utilizing a laptop GIS software comparable to QGIS and OpenJUMP
Easy-to-use recipes with complex analyses of spatial info and functional applications

What you'll examine from this book

Import and export geographic info from the PostGIS database utilizing the on hand tools
Structure spatial facts utilizing the performance supplied through the combo of PostgreSQL and PostGIS
Work with a suite of PostGIS services to accomplish uncomplicated and complex vector analyses
Connect PostGIS with Python
Learn to take advantage of programming frameworks round PostGIS
Maintain, optimize, and fine-tune spatial info for long term viability
Explore the 3D services of PostGIS, together with LiDAR aspect clouds and aspect clouds derived from constitution from movement (SfM) techniques
Distribute 3D versions during the net utilizing the X3D standard
Use PostGIS to enhance robust GIS internet purposes utilizing Open Geospatial Consortium net standards
Master PostGIS Raster

In Detail

PostGIS is a spatial database that integrates complicated garage and research of vector and raster facts, and is remarkably versatile and robust. PostGIS offers help for geographic items to the PostgreSQL object-relational database and is at present the most well-liked open resource spatial databases. as a way to discover the total variety of PostGIS thoughts and reveal the comparable extensions, this booklet is a must-have.

This publication is a deep-dive into the complete variety of PostGIS subject matters, with useful purposes of the options and code. it's a accomplished consultant on PostGIS instruments and ideas that are required to control, control, and examine spatial info in PostGIS. This publication is full of systematic directions of hands-on examples and in-depth reasons. Even for skilled clients, this e-book will function an excellent resource of reference through delivering new methods of operating with PostGIS in the course of the book's easy-to-follow approach.

This hands-on advisor appears to be like at key spatial facts manipulation projects, explaining not just how every one activity is played, but additionally why. It offers useful information permitting you to soundly reap the benefits of the complicated expertise in PostGIS on the way to simplify your spatial database management tasks.

This useful booklet might help you are taking good thing about uncomplicated and complicated vector, raster, and routing ways. you are going to learn how to use the options of knowledge upkeep, optimization, and function, in an effort to assist you to combine those right into a huge environment of machine and internet tools.

With this entire consultant, you may be armed with the entire instruments and directions you want to either deal with the spatial database method and make greater judgements as your project's requisites evolve.


An easy-to-use advisor, filled with hands-on recipes for manipulating spatial facts in a PostGIS database. every one subject is defined and put in context, and for the extra inquisitive, there are extra info of the suggestions used.
Who this publication is for

If you're a net developer or a software program architect, in particular in location-based businesses, and wish to extend the diversity of suggestions you're utilizing with PostGIS, then this ebook is for you. you will have a few earlier adventure with PostgreSQL database and spatial suggestions.

Professional SQL Server 2012 Internals and Troubleshooting

Hands-on troubleshooting tools at the newest unlock of SQL Server

The 2012 unlock of SQL Server is the main major one considering 2005 and introduces an abundance of recent positive aspects. This serious booklet presents in-depth insurance of most sensible practices for troubleshooting functionality difficulties in keeping with a high-quality realizing of either SQL Server and home windows internals and indicates skilled DBAs easy methods to ascertain trustworthy functionality. The group of authors indicates you the way to grasp using particular troubleshooting instruments and the way to interpret their output so that you can fast determine and unravel any functionality factor on any server operating SQL Server.
• Covers the middle technical themes required to appreciate how SQL Server and home windows might be operating
• stocks top practices so you know the way to proactively display screen and steer clear of difficulties
• indicates find out how to use instruments to quick assemble, examine, and successfully reply to the resource of a system-wide functionality issue

Professional SQL Server 2012 Internals and Troubleshooting enables you to quick get to grips with the adjustments of this generation that you should most sensible deal with database functionality and troubleshooting.

Theoretical Aspects of Evolutionary Computing

Throughout the first week of September 1999, the second one EvoNet summer season college on Theoretical points of Evolutionary Computing was once held on the Middelheim cam­ pus of the collage of Antwerp, Belgium. initially meant as a small get­ jointly of PhD scholars drawn to the idea of evolutionary computing, the summer time university turned a winning mixture of a four-day workshop with over twenty researchers within the box and a two-day lecture sequence open to a much broader viewers.

Modellierung komplexer Prozesse durch naturanaloge Verfahren: Komplexe adaptive Systeme — Modellbildungen und -theorie — neuronale Netze — Soft Computing und verwandte Techniken

Dieses Lehrbuch ist eine Einfuhrung in die Techniken des sog. smooth Computing und verwandter formaler Methoden. Dargestellt werden Zellularautomaten und Boolesche Netze, Evolutionare Algorithmen sowie Simulated Annealing, Fuzzy-Methoden, Neuronale Netze und schlie? lich Hybride Systeme, d. h. Koppelungen verschiedener dieser Techniken.

Additional resources for High Performance Computing in Science and Engineering’ 04: Transactions of the High Performance Computing Center Stuttgart (HLRS) 2004

Example text

To check this boundary condition, we simulated Poisseuille-flow between two vertical walls separated by a distance of L, with periodic boundary in the other directions. A gravitational acceleration g was exerted on the fluid. Figure 2 shows the velocity vs. dimensionless distance x/L from the left wall. The solid line corresponds to the expected profile: As one can see, the agreement between theory and simulation is excellent, validating the linkbounce-back boundary conditions, at least for fiat surfaces.

Be calculated at particle positions. To m a p between these two domains, a tent function f{x) is used: ^ ^^'-^^ ^ ''^ ^ [0 V l < \x/l\ where / is the grid constant used for the discretization of the gas simulation, f3 the parameter to be mapped and i the summation index over either all particles or all grid nodes depending which direction of mapping is required. The result of this mapping is a linear interpolation of the parameters transfered to the particle simulation and a smoothing of the average particle velocity and density provided to the gas simulation.

These parameters lead to a density contrast rj of 5 • 10~^, a Mach number of ~ 60 in the nozzle and a mass loss rate of ^ 10-^ Mo y r - ^ Repeatedly each seventh day, the velocity and density values in the nozzle are changed to simulate the jet pulses which are seen in the observations of M W C 560. They were choosen to 2 x the normal value and 1/4 x the normal value, respectively. The run took 2000 accumulated C P U hours on the N E C SX-5 with 8 processors and about 900 M F L O P S per processor.

Download PDF sample

Rated 4.56 of 5 – based on 38 votes