CFD water systems efficiency ADV CAES CFD models Darcy’s law E. coli EPANET FTW History of engineering & technology Lattice Boltzmann method Poyang Lake SCS curve number SVF Technology: general issues Three Gorges Dam air valve air–water interface area contraction ratio bed shear stress caffa3d canal pool channel regulation cohesive sediments computational fluid dynamics (CFD) consolidation decision making model degradation delay time dimensional analysis