The classic venturi tube, first designed by Clemens Herschel in 1887, has many useful applications in monitoring or controlling fluid flow.
As users of Autodesk Simulation CFD and Autodesk Simulation Mechanical on a daily basis, we run into certain tasks that are repetitive or time-consuming. For many of these situations, it can be beneficial to develop a script to increase proficiency.
During a recent Google search, I stumbled across this interesting NASA paper which determined the root cause for the loss of the Mars Climate Orbiter in 1999 was a mismatch of units. A subroutine coded for thruster data in metric units was instead fed English units, which resulted in a trajectory error.