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 [...]

ESA/Hubble & NASA, ESA Euclid/Euclid Consortium/NASA/Q1-2025, J.-C. Cuillandre & E. Bertin (CEA Paris-Saclay), Z. Tsvetanov This March 3, 2026, image combines views from ESA’s (European Space Agency) Euclid and NASA’s Hubble Space Telescope to feature one of the most visually intricate remnants of a dying star: the Cat’s Eye Nebula, also known as NGC 6543. This [...]

2 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) An advanced vehicle concept.NASA Project Overview NASA’s Subsonic Vehicle Technologies and Tools (SVTT) project develops technologies and tools for various types of aircraft that fly in different speed regimes, including next-generation vertical take-off and landing and fixed-wing subsonic aircraft. The research advances knowledge, technologies, [...]

This article is from the 2025 Technical Update. The human factors TDT looks for and creates opportunities to influence design to leverage human strengths and to protect people and missions. The human factors team has experts with knowledge of human performance in all aspects of NASA missions as well as from other safety-critical industries. The [...]