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AM/FM Active Metadata/Field Model
Active metadata (AM) -- data about data -- play an essential role in science.
Typical metadata include experimental parameters, initial conditions, and
preliminary distillations of raw data. The Field Model (FM) project is an
effort to develop a common data model for field data. Together, these two
projects will provide a more complete solution for scientists.
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Computational Aerospace Sciences (CAS)
The Computational Aerospace Sciences (CAS) project is one of five projects within the High Performance Compu
ting and Communications (HPCC) program.
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DeBakey Heart Assist Device
The use of Computational Fluid Dynamics (CFD) technology has lead to major design
improvements on the DeBakey heart assist device, enabling its human implantation.
Ames scientist s employed Shuttle main engine technology and CFD modeling capabilities,
coupled with the NAS Systems Division's
high-performance computing technology, to make several design modifications
that vastly improved the heart device's performance.
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Foil Simulation and Engine Simulation
This technically accurate simulation software is intended to allow educators
and students to explore key concepts of wing and engine design. Based on data
derived from NASA and other research, it allows the examination of cause and
effects relationships by allowing the modification of key variables.
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Growler Software
Growler is a modular scientific visualization system whose development has
been guided by our desire to perform remote data visualization, remote computational
steering, heterogeneous data analysis, and multi-user collaboration. Growler
is based on a high-performance distributed component model, involving interdependent
computational and graphical modules. Most modules are inherently collaborative,
in that multiple remote users may take part in and control the same visualization
environment.
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ILab: Parameter Study Creation and Submission on the IPG
Parameter study creation and submission has been fully automated with this
GUI-based tool. In addition, the greatest impediment to user acceptance of
the Information Power Grid /Globus model has been overcome: the job control
language, which is required for submitting into the IPG/Globus processing
environment, has been eliminated. Our GUI tool first automates the creation
of parameter studies of arbitrary dimension and then automatically creates
all Globus job control language (RSL decks and auxiliary shell scripts) required
to actually set up and invoke Globus jobs on the IPG.
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Information Power Grid (IPG) Launch Pad
The IPG Launch Pad is a web-based user portal to NASA's Information
Power Grid. The Launch Pad provides IPG users with the ability to: view
the status of grid resources; prepare, launch, and track jobs; manipulate
files at remote locations; and customize the environment to create a personalized
view of the portal.
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Interactive Multi-Media
NASA is reaching into America's classrooms to make a difference in math, science,
and technology education. The Internet is being used as the primary medium
for live interactions with scientists, virtual electronic field trips, collaborative
projects, and distance learning activities. The NASA Learning Technologies
s Project offers over 50 interactive multimedia projects to provide standards-based
learning environments for the use of NASA's scientific data.
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Large-Scale Parallel Distributed Computing
A virtual computing environment that integrates computer resources at different
sites -- collectively known as NASA's Information Power Grid (IPG) -- is employed
to simulate a large-scale memory and CPU-intensive aerospace application.
This illustrates how IPG technology can be used to obtain a rigorous wake
flow solution around the hovering rotors of a helicopter, where flow features
are dominated by complex vortex dynamics.
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Learning Technologies
The HPCC Learning Technologies Project is a leader in NASA-based Educational Technology. LTP researches and
develops products and services that use NASA information and that facilitate the transfer of scientific know
ledge to the formal and informal education community. LTP offers educators over 50 innovative projects that
are based on NASA content and that draw students to careers in math and science. The LTP video represents an
overview of the project and the various features of it.
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NASA Research & Education Network
Project is NASA's cornerstone of the Next Generation Internet. The NREN Project works with federal agencies,
academia and industry partners to develop technologies and services to support high performance networks th
at enable revolutionary applications and demonstrations.
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Parallelization Toolkit in the Legacy Code Modernization
Project
With the rapid evolvement of high-performance computing
systems, code parallelization for new architectures
becomes more and more challenging. The process is
time consuming and error prone. Automation with tools
reduces porting cost and allows fast code development.
The
parallelization toolkit performs accurate and in-depth
program analyses, transforms codes as necessary, and
generates parallel codes under nominal user interaction.
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Scalable Climate Modeling on Origin 2000
Recently the NASA Ames Research Center's NAS Systems Division and the Goddard Space Flight Center's Data As
similation Office began a joint effort to dramatically increase the performance of NASA's next generation climate
predicting Data Assimilation System (DAS). The effort is focused on inserting the highly scalable Multi-Level
Level Parallelism (MLP) technique into the DAO codes.
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Support for Debugging Automatically Parallelized
Programs
A system that simplifies the process of debugging programs produced by computer-aided
parallelization tools. The system uses relative debugging techniques to compare
serial and parallel executions in order to show where the computations begin
to differ. If the original serial code is correct, errors due to parallelization
will be isolated by the comparison.
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Telescopes in Education
The Telescopes in Education (TIE) program brings the opportunity to use a
remotely controlled telescope and charge-coupled device (CCD) camera in a
real-time, hands-on, interactive environment to students around the world.
TIE enables students to increase their knowledge of astronomy, astrophysics,
and mathematics. The TIE program currently utilizes a science-grade 24-inch
reflecting telescope located at the Mount Wilson Observatory in Southern California.
An additional telescope will be added this year in Chile to allow students to observe the Southern Hemisphere.
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Web-Based Interactive Mars Data Archive
This facility serves as a means for Web-based exploration of data returned
by Mars robotic missions, as well as a resource for mission landing site planners.
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Additional
Ames Research Center Information: http://www.arc.nasa.gov
Point
of Contact:
Jill Dunbar
Publication & Media
NAS Systems Division
(650) 604-3534
jdunbar@mail.arc.nasa.gov
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