Contents Chapter 15: Functions in Ansys CFX | 15.5. Quantitative Function List | Print page 15.5.21. massIntThe mass-weighted integration of a variable or expression within a domain or subdomain.massInt(<Variable|Expression>)@<Location> where: <Variable|Expression> is a variable or expression. <Location> is any 3D region (such as a domain or subdomain). « 15.5.20. massFlowInt 15.5.22. maxVal »