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: Mechanical & Fluid Systems

Aerodynamic control surfaces, with excessive free-play, can cause limit cycle oscillations (LCO), a sustained vibration of constant amplitude. The LCO is caused by a...

Briefs: Mechanical & Fluid Systems
Design Environment for Multi-Fidelity and Multi-Disciplinary Components

Many of the most challenging aspects of propulsion system development are related to the prediction of interacting effects among fluid loads, thermal loads, and structural deflection. A typical design practice might ignore the interaction between the physical phenomena where...

Briefs: Mechanical & Fluid Systems
Shipping Foam Designer Software

An easy-to-use design tool was developed in response to a large number of documented cases of critical (flight and ground) hardware failing after experiencing drops during commercial shipment. By entering the mass of the hardware to be protected, and the drop height, the software helps the user select the type and...

Briefs: Mechanical & Fluid Systems
Evolutionary Mission Trajectory Generator

The Evolutionary Mission Trajectory Generator (EMTG) is a global trajectory optimization tool for designing interplanetary missions that perform multiple flybys and either low-thrust or high-thrust propulsive maneuvers on the way to destinations in the solar system. Some targets, such as Mars and Venus,...

Briefs: Mechanical & Fluid Systems
Visual International Space Station Configuration Viewing Tool

Communicating the current International Space Station (ISS) configuration and also potential ISS configurations is a necessity during ISS trade studies and Ops Con development. Often, multiple configuration options will need to be communicated. Doing so without a means of displaying...

Briefs: Software

Predicting turbulent flowfield and pressure drop in complex internal flows, such as valves, pumps, and turbines, is of great interest in many areas of...

Briefs: Software
Multi-Species Turbulent Mixing Under Supercritical-Pressure Conditions

A model describing supercritical-pressure, multi-species turbulent mixing has been developed to simulate situations prevailing in diesel, gas turbine, and HCCI (homogeneous charge compression ignition) engines. It is also a situation occurring in atmospheric planetary...

Briefs: Software
A Model of Reduced Oxidation Kinetics Using Constituents and Species

Elementary-reaction chemical kinetics of hydrocarbon oxidation consists of hundreds to thousands of species and thousands of reactions. As such, it is impossible to use it in models and codes involving turbulence because computations are unfeasible due to lack of memory and...

Briefs: Software
Determining Radiation Shielding Capability of the Earth’s Atmosphere from FAA Radiation Data

The FAA, using its CARI-6 program, provides galactic cosmic radiation dosage rates for any location on the Earth from ground up to 60,000 ft (≈18,300 m). One way to protect astronauts from galactic cosmic radiation (GCR) on a Mars mission is to use...

Briefs: Physical Sciences
Integrated Space Weather Analysis System (iSWA)

The iSWA system is a Web-based dissemination framework for NASA-relevant space weather information that combines forecasts based on the most advanced space weather models with concurrent space environment information. A key design driver for the iSWA system is to generate and present vast amounts...

Briefs: Physical Sciences
Automatic Localization of MSL Rover Mosaics in HiRISE Imagery

Mars Science Laboratory (MSL) surface operations require precise and accurate knowledge of rover position. A key means of establishing/verifying position is to match ortho-rectified mosaics from the MSL onboard cameras to orbital data. Manual localization by matching mosaics to HiRISE...

Briefs: Physical Sciences
SAM/MSL Terrestrial Background Spectral Library

The SAM/MSL Terrestrial Background Spectral Library is one of the tools developed for identifying known terrestrial background for the Mars Science Laboratory (MSL) Sample Analysis at Mars (SAM) mission. The SAM instrument suite can detect trace elements in the ppb range and therefore requires a...

Briefs: Software
Efficient Spectral Endmember Detection Onboard Spacecraft

Spaceflight and planetary exploration place severe constraints on the available bandwidth for downlinking large hyperspectral images. Communications with spacecraft often occur intermittently, so mission-relevant hyperspectral data must wait for analysis on the ground before it can inform...

Briefs: Physical Sciences

When the space shuttle’s external tank (ET) was being filled with the cryogenic fuel components LOX and LH2, moisture from the surrounding atmosphere could condense onto...

Briefs: Physical Sciences
Using the Web Sockets Full-Duplex Communication Channel to Display Real-Time Sensor Data via Standard Web Browser

Web Sockets is a network full-duplex communication channel that allows Javascript programs embedded in Web pages to establish connections to applications running on the server that provided the Web pages. Two-way communication is...

Briefs: Software
Earth Now Mobile Phone App

A mobile device application created by NASA visualizes recent global climate data from Earth science satellites, including air temperature, sea surface salinity, carbon monoxide, ozone, and water vapor, as well as gravity and sea level variations. This app is an Open GL simple 3D object viewer for the Apple IOS and...

Briefs: Physical Sciences
PACIFIC: Process Algebra Capture of Intent from Information Content

Mixed-initiative teams of robots and humans working side-by-side in close proximity to each other need to be capable of reasoning about the actions and activities of each other within a mission context. This capability requires the robotic agents to have a sense of self, and...

Briefs: Physical Sciences
Analytical Expression of Elevation-Dependent Relative Air Mass for Atmospheric Extinction Simulations

This software enables one to calculate elevation-dependent relative air mass. When imaging a setting or rising Sun on the ground or from space, the shape and the intensity distribution of a captured image are affected by the following three...

Briefs: Physical Sciences
Quantification of Trace Chemicals Using the Vehicle Cabin Atmosphere Monitor

A software program analyzes data measured by the Vehicle Cabin Atmosphere Monitor (VCAM) and quantifies the concentrations of trace chemicals detected by VCAM. The software contains a unique way to quantify the signal measured by VCAM, to establish the concentration...

Briefs: Physical Sciences

The bundle adjustment, or more specifically, the colinearity math model it is based on, is undisputedly the most accurate method to perform 3D scene reconstruction from multiple images....

Briefs: Physical Sciences
Multipurpose Attitude and Pointing System (MAPS) Version 6.2

MAPS is a suite of software tools used for pre-flight planning, real-time support, and post-flight analysis of spacecraft attitude and pointing for the International Space Station (ISS), HII Transfer Vehicle (HTV), Automated Transfer Vehicle (ATV), and other low Earth orbit (LEO)...

Briefs: Information Technology

The Global Elevation Data Adaptive Compression Algorithms (GEDACA) were developed to provide compression and rapid decompression of digital terrain maps (DTMs) in constrained computing...

Briefs: Information Technology
Cassini Science Planning and Sequencing Team Final Sequence Approval Document Generator (Autodoc)

Documents, such as reports that are consistent in format, are excellent candidates for automation. Autodoc was designed as a means to automate such reports in order to reduce the amount of labor necessary to produce reports, and to improve the...

Briefs: Information Technology
Exploration Visualization Environment

The Exploration Visualization Environment (EVE) is a graphical environment for the visualization, analysis, and simulation of engineering data, specializing in aerospace and aeronautic concepts. EVE is based on the history and successful application of the Synergistic Engineering Environment (SEE) and...

Briefs: Information Technology

The Mississippi Evacuation and Traveler’s Assistance (MSETA) system provides public assistance for emergency evacuation and tourism/travel. The MSETA system is composed of...

Briefs: Information Technology

In a crisis, up-to-date information is one of the most important commodities for decision-makers. Remote sensing data have been instrumental in regional scale...

Briefs: Software

This software simulates Sun images observed on the ground and from space with an easy-to-use analytical approach and with high accuracy. It is a simple, analytical approach with the accuracy of a...

Briefs: Information Technology
Partition Level Application Test for Orion (PLATO)

For Orion Exploration Flight Test One (EFT-1), the unit-under-test for flight software verification has been chosen as the entire integrated flight software load. At the time of this reporting, the unit test tool, while powerful, operates on very small units, usually classes. This leaves a...

Articles: Software

The increasingly global, fast-paced, and connected nature of the marketplace is placing new demands on product development teams. As it evolves to meet emerging user needs, engineering simulation...

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