History proved them wrong and, although retired in 2008, the F-117 would be the basis upon which subsequent stealth fighters, including the F-22 Raptor and F-35 Lightning II, would be designed. Naysayers saw the F-117’s unique profile and dubbed it the “Hopeless Diamond” in their prediction of its failure as a next-generation fighter aircraft candidate.
The jet was developed by Ben Rich, the innovative director of the Lockheed Martin Skunk Works project, and its first flight was on June 18, 1981. Hopefully, this blog will raise awareness and make Flow Simulation project solutions more efficient for you too!Īircraft are required to be symmetric to permit straight and level flight the Lockheed F-117 Nighthawk stealth fighter, the world’s first “invisible” aircraft, is a great example to use for our discussion of symmetry in Flow Simulation. In my technical support role, I’ve helped several customers with their project setup who were surprised to learn of this functionality. Symmetry affords a reduction in both solution time, which facilitates rapid design iterations, and the required computer memory. Flow Simulation has a similar capability, and it is just as important to leverage this functionality because the computational fluid dynamics (CFD) method in use with Flow can take a while to solve for complex geometries. If you use SOLIDWORKS Simulation for your structural finite element analyses (FEA) studies, you are probably familiar with the symmetry boundary condition, which greatly reduces the size of the problem and the time to solve it.
As with any engineering analysis project, efficiency is very important.
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