Developer Documentation
Variable, Constraint, and Parameter Naming
Suffixes
_des: used to denote a concept specific to network design problems_on_off: used to denote a concept where there are either-or choices, such as pump operations
Total Hydraulic Head
h: total hydraulic headdh: difference in head between nodesdhp: (nonnegative) difference in head between tail and head nodesdhn: (nonnegative) difference in head between head and tail nodes
Volumetric Flow Rate
q: volumetric flow rate ("flow"), which can be negative or nonnegativeqp: positively-directed flow magnitude (i.e., flow transported fromnode_frtonode_to)qn: negatively-directed flow magnitude (i.e., flow transported fromnode_totonode_fr)