Software

Simulation Software

Explore articles, technical briefs, white papers, and webinars covering Simulation Software used throughout industry, NASA, and other major research labs.

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Supplements: Software
sponsored by co-sponsored by Software Tech Briefs is a special supplement to NASA Tech Briefs. Download the digital version (PDF) at right to learn about 59 new software programs outlined in the table of contents below.
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Briefs: Software
DSS-Prototyper is an open-source, real-time 3D virtual environment software that supports design simulation for the new Vision for Space Exploration (VSE). This is a simulation of NASA's proposed Robotic...
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Application Briefs: Software
MSC Nastran and MSC Adams Enterprise Simulation Software MSC.Software Corp. Santa Ana, CA 714-540-8900 www.mscsoftware.com NASA’s MIDEX Mission THEMIS...
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Briefs: Software
Cross-Compiler for Modeling Space-Flight Systems
Ripples is a computer program that makes it possible to specify arbitrarily complex space-flight systems in an easy-tolearn, high-level programming language and to have the specification automatically translated into LibSim, which is a textbased computing language in which such simulations are...
Articles: Data Acquisition
Mechanical CAD (computer-aided design) programs have become very sophisticated during the past few years. Unfortunately, there is still a portion of the engineering spectrum that cannot be...
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Briefs: Software
Cochlear implants have been used successfully to provide auditory information for bilaterally profoundly deaf patients. This is achieved by electrically...
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Briefs: Lighting
Internal heating is a key issue for vertical cavity surface emitting lasers (VCSELs), a semiconductor micro laser diode that emits light in a cylindrical...
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Briefs: Software
The figure is a schematic diagram of a complementary metal oxide/semiconductor (CMOS) electronic circuit that functions as a NAND gate at a power-supply potential (Vdd) of 3.3 V and as NOR...
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Briefs: Motion Control
In the area of maintaining conventional motorcycle stability, engineers have established a series of tests that measure the wobble, weave, and kickback of every new model before it is released...
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Briefs: Software
An advanced computer code is undergoing development for numerically simulating laser cooling and trapping of large numbers of atoms. The code is expected to be useful in...
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Briefs: Aerospace
Preparing and Analyzing Iced Airfoils
SmaggIce version 1.2 is a computer program for preparing and analyzing iced airfoils.It includes interactive tools for measuring ice-shape characteristics, controlled smoothing of ice shapes, curve discretization, generation of artificial ice shapes,and detection and correction of input errors.
Briefs: Software
Originally introduced by Nicholas Metropolis during the Manhattan Project, Monte Carlo methods today have very broad and extensive use in various areas of science and technology. Random number...
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Briefs: Software
Adaptive Problem Solving for Refining Control Strategy
A computer program implements an adaptive problem-solving (APS) algorithm for real-time development, refinement, and maintenance of the control strategy of an autonomous system that must operate in an environment about which little or no detailed information is available in advance. In the...
Briefs: Software
A proposed monolithic microwave integrated circuit (MMIC) power amplifier has been designed to operate at frequencies around 28 GHz. According to a computer simulation of performance, this amplifier...
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Briefs: Electronics & Computers
NASA has developed a system of hardware and software that can accommodate all necessary interfaces between (1) space-station flight computers and (2) a simulation host computer used...
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Briefs: Information Technology
Further Developments in Web Interactive Training
Three innovative computer programs for training and testing personnel at Kennedy Space Center have been developed under the aegis of the Web Interactive Training (WIT) project. The WIT project exploits the capabilities afforded by the Internet and by state-of-the-art multimedia data-presentation...
Briefs: Information Technology
Post-Processing Satellite Image Data in Secondary Schools
Never before have secondary schools been able to post-process raw satellite data, and now they can do it in real time. This is credited to advances in technology that have recently made the necessary equipment simple, inexpensive, powerful, and available enough for any school to fit into...
Briefs: Electronics & Computers
Wiring is a major deliverable in just about all electromechanical equipment. From airplanes to semiconductor capital equipment, the key component tying together all of the technological innovations in...
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Briefs: Software
When developing the guidance system of a missile, it is necessary to know the resonant frequencies and mode shapes of the missile in flight. Simulating the free vibration condition in the laboratory,...
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Briefs: Information Technology
Expressing Object-Oriented Concepts in Fortran 90
A methodology for object-oriented programming in Fortran 90 has been developed. The methodology provides for emulation of the most important object-oriented concepts of C++; namely, classes (including abstract data types, encapsulation, and function overloading), inheritance, and dynamic...
Briefs: Electronics & Computers
Software for Improving Operational Processes
The Schedule and Cost Risk Analysis Modeling System (SCRAM) computer program identifies important sources of schedule and cost risks in an operational process. The related Process Analysis and Improvement Support System (PASS) program assists in the overall analysis and improvement of an operational...
Briefs: Information Technology
Software for Planning in a Hierarchical Processing Environment
Decision-support software based on discrete-event simulation (DES) has been undergoing development for use in planning and scheduling work in the Orbiter Processing Facility (OPF) at Kennedy Space Center. The software is also suitable for adaptation to similar use in other facilities...
Briefs: AR/AI
Program for Simulating Dynamics of Multibody Systems
The Dynamics Algorithms for Real-Time Simulation (DARTS) computer program solves the equations of motion of tree-topology, flexible, and/or multibody mechanical systems as diverse as molecules, mechanisms, robots, spacecraft, and ground vehicles. It has proven to be particularly useful for...
Briefs: Imaging
Software for Processing SAR Images of the Polar Oceans
The RADARSAT/ERS-1,2 Geophysical Processor System (RGPS) is an automated system of hardware and software that processes synthetic-aperture-radar (SAR) images of ice and open water in polar oceans to generate higher-level geophysical-data products. Information in such products includes the age...
Briefs: Software
Software for Development of Spacecraft-Simulation Programs
DARTS Shell (Dshell) is a multimission spacecraft simulator for the development, integration, and test of flight software and hardware. Dshell reduces the time and cost of developing simulation programs by enabling the development of the software in modular, reusable form and by providing...

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