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Download PDF: Efficient Large Displacement/Large Rotation Dynamic Simulations Using Nonlinear Dynamic Substructures Utilizing reduced-order dynamic math models (DMM) in linear system-level dynamic analyses is a well-known practice that enables extreme computational efficiencies. But what about nonlinear system dynamics? Reduced-order DMMs have found their way into contact dynamics. The engineer must look no further than the […]

March 12, 2026 at 05:30AM
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Clouds of dust lofted from the Sahara Desert brought hazy skies and muddy rain to Western Europe.

March 12, 2026 at 05:30AM
from NASA https://ift.tt/7o6UHdN

The William T. Pecora Award is presented annually to individuals or teams using satellite or aerial remote sensing that make outstanding contributions toward understanding the Earth (land, oceans, and air), educating the next generation of scientists, informing decision-makers, or supporting natural or human-induced disaster response. Both national and international nominations are welcome.

March 11, 2026 at 05:30AM
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NASA’s University Innovation (UI) project funds university-led innovation to address the agency’s Aeronautics Research Mission Directorate’s system-level challenges via independent, NASA-alternate-path, multi-disciplinary awards. Strategic Goals The UI portfolio’s strategic goals in descending order of importance are: 1.    Assist in achieving aviation outcomes defined in the ARMD Strategic Implementation Plan through NASA-complementary research. 2.    Transition research […]

March 11, 2026 at 05:30AM
from NASA https://ift.tt/IxRkwpG

Download PDF: Computational Modeling of Failure at the Fabric Weave Level in Reentry Parachute Energy Modulators Energy modulators (EM) are textile mechanical devices designed to dissipate snatch loads that occur when parachutes are deployed. Although critical for mitigating shock loads, recent flight testing has shown increasing variability in EM behavior, raising concerns about their performance predictability and […]

March 10, 2026 at 05:30AM
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A NASA-sponsored team has developed electronics that can operate reliably in the harsh radiation and temperature conditions found on distant planetary bodies like Europa, an ocean world orbiting Jupiter. Not only could this new technology enable autonomous sensors and robotic exploration of distant ocean worlds, it could also support NASA’s goal to establish human outposts on the Moon and Mars by enabling electronic systems to function in those cold regions with reduced heating requirements.   

March 10, 2026 at 05:30AM
from NASA https://ift.tt/V6WDqFa

The FDC project conducts complex integrated small-scale flight research to validate the benefits of new technologies. By modifying aircraft from FDC’s support fleet, the project enables aggressive, success-oriented flight campaign schedules. While many technologies are at mid-levels of technology readiness, the FDC project supports all phases of technology maturation.   FDC’s support aircraft fleet enables safety chase and in-flight experimental measurements for a variety of […]

March 9, 2026 at 05:30AM
from NASA https://ift.tt/mBt8M6g