Electronics & Software

Software

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Find the latest advancements in the software used in simulation software, CAD, CAM, CAE, and mathematical and scientific software. Access technical and application briefs from NASA and other major research labs.

Briefs: Software
Development of Automated Structural Health Monitoring for Composite Overwrapped Pressure Vessels

Virtually all NASA spacecraft use composite overwrapped pressure vessels (COPVs) to reduce the weight disadvantage of metal pressure vessels. However, these composite structures are more susceptible to damage than metal PVs, are difficult to inspect,...

News: Software

To reduce costs and eliminate air pollution, many cities are exploring the benefits of electric buses. Before electrified fleets take the road, however, officials will require a test run....

Products: Software

ANSYS, Canonsburg, PA, introduced ANSYS® Discovery Live™ simulation software that allows engineers to immediately examine the impact of their design changes. Users can pose what-if questions upfront in...

Briefs: Software

System breakdowns in modern industrial environments can result in millions of dollars in lost time and productivity, and even the loss of life and property. In the utilities industry — where the...

Briefs: Software
Robust Mesh Update Method for Grid Motion Problems

Over the past several decades, one class of problems in computational fluid dynamics (CFD) that has undergone substantial development involves movement of the fluid domain boundary. The problem class exists when the fluid domain boundary is either explicitly time-dependent, or is known a priori...

Briefs: Software
An Upwind Parabolized Navier-Stokes Solver (UPS) for Supersonic and Hypersonic Flow Simulation, Version 6.1

The simulation of high-speed flow involves unique challenges such as the treatment of strong flow gradients associated with shock waves and expansion fans, as well as the modeling, at hypersonic speeds, of air chemistry effects. However,...

Briefs: Software
Efficient Two-Dimensional Solution Methods for the Navier-Stokes Equations

ARC2D is a computational fluid dynamics (CFD) program for two-dimensional airfoil and simply connected geometries. The program uses implicit finite-difference techniques to solve two-dimensional Euler equations and Navier-Stokes equations. It is based on the Beam and...

Briefs: Software
Using SysML to Model Layered System Interfaces

To produce accurate system architecture descriptions, it is essential to be able to describe interfaces between system elements at different levels of abstraction and from different perspectives at the same time. For example, the connection from system A to system B may be viewed at a high level as...

Briefs: Software
Pegasus 5.2 Software for Automated Pre-Processing of Overset CFD Grids

Pegasus software is used as a pre-processor for overset-grid Computational Fluid Dynamics (CFD) simulations. It provides the hole-cutting and connectivity information between structured overset grids. The main features of the software include automated hole-cutting...

Articles: Software

Ask a stranger off the street what Virtual Reality (VR) is or how it works, and most people will have some inclination of what the technology entails; however, ask that same person...

Briefs: Software
Software Suite for Identifying Suspicious Individuals

It can be very useful to know about activities among individuals; for example, which individuals are associated with other individuals? When two or more individuals get together, is there an intended purpose? Who are the leaders or important individuals of a group? What is the organizational...

Briefs: Software

The Automated Impacts Routing (AIR) software is advanced route finding technology for air and ground vehicles. The software provides users the ability to find optimized paths through...

Briefs: Software
Automated Transfer Function Generator

When designing or analyzing electrical systems, it is important to understand the relationship between input and output. Power conversion occurs in a “black box,” and transfer functions can be used to provide a better understanding of the processes occurring in this black box. Although they provide a...

Briefs: Software
Python Interface to Dual-Pol Radar Algorithms (DualPol)

This object-oriented Python module facilitates precipitation retrievals (e.g., hydrometeor type, precipitation rate, precipitation mass, particle size distribution) from polarimetric radar data. It leverages existing open-source radar software packages to perform all-in-one retrievals that...

Briefs: Software
Sound Lab (SLAB) Version 5

Interest in the simulation of acoustic environments has prompted a number of technology development efforts over the years for applications such as auralization of concert halls and listening rooms, spatial information displays in aviation, virtual reality, and better sound effects for video games. Each of these...

Briefs: Software
CornerStone Knowledge Acquisition and Synthesis Framework

In general, and especially in the “big data” era, there is often a failure to collect sufficient data about the data (metadata). This lack of metadata drastically reduces the potential use of the data, and the attempt to rectify this situation after the fact is often difficult, if not...

Briefs: Software

Graph analytics is a way of facilitating guided graph exploration through visual and interactive means. Unlike many graph visualization research efforts that focus predominantly on layout algorithms and rendering...

Briefs: Software

Software-Defined Networking (SDN) usually requires network administrators to be skilled in programming languages such as C++, Python, or Ruby. Many IT operators tasked with...

Briefs: Software
Robust Method for Data Protection and Change Detection

Methods exist for processing an original data sequence in order to generate information about the data for the purposes of integrity measurement, ownership demonstration, and authentication. The first category is digital watermarking, the second is data hashing, and the third is error...

INSIDER: Software

Did you see? New software developed at Saarland University turns any camera into an eye-contact detector. Why is it so valuable to identify eye contact? We spoke with the inventor about new kinds of...

Briefs: Software
High-Speed Network Protocol for Faster, More Reliable Emergency Response

Anew network protocol — the Multi Node Label Routing (MNLR) protocol — was developed to improve the information flow between emergency responders at the scene of an incident and decision-makers at the office of emergency management.

Briefs: Software
Custom Administration Reporting (gTracker)

A reporting tool was needed that could indicate the accuracy of search results by tracking the number of clicks required by users to find their desired search results. The application should also capture the number of times other links and like filtering components are clicked. The report should have...

Briefs: Software
PathDroid

Android is the primary software platform for mobile, networked devices such as tablets and smartphones. These devices are increasingly used for safety-critical functions that require verification of correct and robust behavior of applications. Such software written for the Android operating system is hard to test because applications...

Briefs: Software
Enterprise Business Information System (EBIS) Data Warehouse Quality Inspector

A typical data warehouse may contain thousands of tables. Validating the data quality of all data warehouse content is an unmanageable and unmaintainable task if handled in an ad-hoc fashion. This software seeks to ensure that a data warehouse accurately reflects the...

Briefs: Software

A network geolocation technology (NGT) can be used to determine the physical location of a networked Internet user, as well as accurately determine if an Internet user is in fact in the metropolitan service...

Briefs: Software

DiVisa is a multi-dimensional information visualization tool that en ables researchers to understand the behavior of network data.

Articles: Software

Between 1985 and 1987, a radiation therapy device called the Therac-25 was involved in at least six incidents in which the device delivered massive overdoses of radiation. The patients...

Briefs: Software
PLOT3D 4.1

PLOT3D is an interactive graphics program designed to help scientists visualize computational fluid dynamics (CFD) grids and solutions. Today, supercomputers and CFD algorithms can provide scientists with simulations of such highly complex phenomena that obtaining an understanding of the simulations has become a major problem. Tools...

Question of the Week: Imaging

A report last week concluded that the augmented reality (AR) market is expected to grow from $2.39 billion in 2016 to $61.39 billion by 2023. The research from the...

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