Posted 12 Months ago Adominator Senior Boarder Posts: 74   I'm interested in modeling airflow over long mountain ridges of various shapes, to calculate the lift patterns. Can anyone recommend a low- or no-cost 2D fluid flow analysis program that runs on a high end PC and could handle this? The administrator has disabled public write access. Posted 12 Months ago mintern Senior Boarder Posts: 52   Maybe a student can get a copy of Matlab for you. The administrator has disabled public write access.