The math to calculate the percentage and actual charge mass captured, the "dynamic" CR, and effective displacement when the intake valve closes ABDC is fairly simple trigonometry based on the engine's rod to stroke ratio. Read my article for more content as well as the formula:
http://victorylibrary.com/mopar/cam-tech.htmHowever, there are too many variables remaining that are difficult to quantify or reconcile as to their relative contribution to obtain anything like a linear solution. It will predict a trend, not a result.
