This function calculates the equivalent opening area.
function EquivalentOpeningArea extends Modelica.Icons.Function; input Modelica.Units.SI.Area AClr(min = 0) "Window clear opening area"; input Modelica.Units.SI.Area AGeo(min = 0) "Window geometric opening area"; output Modelica.Units.SI.Area AEqv(min = 0) "Equivalent opening area"; end EquivalentOpeningArea;