Simulation Software

NASA has used two systems to train astronauts for weightlessness. The first is the Reduced Gravity Simulator that suspended the astronaut at an angle of 80.5 so that only 1/6th of his or her weight was supported by the ground, while the rest was supported by a pulley system. The other system, designed during...

NASA has a need to determine the distribution of dark matter around planets like Earth. Doing so necessitates the ability to repeatedly solve the geodesic equation in simulations of weakly interacting particles streaming through bodies described by a Schwarzschild metric. Geodesolver numerically solves the...

An orthonormal basis set is introduced for use in generating global solutions to nonlinear differential equations with shocks. By global, it is meant that a single series solution is generated that is valid over the entire domain, not a separate solution...

Just because it's computer simulation doesn't mean it's virtual prototyping. Our expert explains.

Simulation tools offer insight into the physical processes of heavy-duty engines. But what about natural wear and tear?

Digital technologies are bringing big data, automation, and mobile capabilities to processes like IT, HR, sales, and marketing, but what is the hold-up with product development? Has your product development process been modernized and “digitized?”

A new sensor picks up signatures of tributyl phosphate, a solvent used to enrich uranium, including for use in a nuclear weapon. Enzymes can detect tributyl phosphate signatures, but the lifespan of the enzymes is too short to make them practical for sensors.

Minimally invasive and non-invasive therapeutic ultrasound treatments can be used to ablate, necrotize, and/or otherwise damage tissue. High-intensity focused ultrasound (HIFU), for example, is used to thermally or mechanically damage tissue. HIFU thermal...

In our second INSIDER story, Patti Kreh demonstrated that colleges and universities will need to take an "interdisciplinary" approach to train the design engineers of the future. "What we're seeing is the need for the blending of disciplines – a combination of traditional...

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,...

This week’s Question: A new "CarNote" app from the Eindhoven University of Technology in the Netherlands aims to use augmented reality to improve the driving experience and reduce "road rage." CarNote's driver-facing periscope lens and transparent display projects information from a smartphone, allowing...