VSP Office Hours

VSP Office Hours is a place to ask questions, discuss, and hopefully find solutions to problems.  Like my real office hours, I have an open door policy and the discussions are likely to go off topic, but will always remain topical.

The Professor is In.


OpenVSP put to good work

Many of you may have seen the articles and videos about NASA’s Greased Lightning GL-10 first transition flight earlier this week. If you didn’t see the articles, here is a press release from NASA. And a direct link to the video.

What you may not know is that Bill Fredericks – the guy who has managed the project, and whose voice you hear in the video – is a VSP power user. Bill is often the first one to put new features to the test, break them, and to let us know how we should have done it. He also does a great job teaching intro and advanced modeling techniques at the Workshop.

If you want to read up on the design of the Greased Lightning, there is a great overview paper available on NTRS.  OpenVSP was used to model each of the alternatives and the final OML of th… Read more

OpenVSP 2.9.7 Fifth Beta for v3 Released

This version includes some nice improvements, but also a bunch of small bug fixes that have been preventing people from getting work done. If you’ve been hitting these, you’ll certainly want to update.

Improvements include:

  • Issue error when you try to set secondary & primary sweep location equal
  • New NACA 4-Digit airfoil code, much improved representation of shape
  • Custom components now support scaling
  • Custom components now support default sources
  • Custom components now support set center of rotation
  • Custom components now support surface type flag setting
  • Can now edit name, group, description of user parameters

Bug fixes include:

  • Fix scripting on Linux – scripting, custom components, advanced links
  • Improve robustness of triangle spl
  • Read more