What is "rans"

RANS or Rans may refer to:

• Reynolds-averaged Navier–Stokes equations
• Rans Designs, an aircraft, sail trike, land yacht and bicycle manufacturer, usually styled as "RANS" by the company
• Rans, Jura, a commune in eastern France
• Rans (Penafiel), a parish in the municipality of Penafiel, northern Portugal