Extended Period Simulation of Water Systems—Part A

by H. S. Rao, Manager; Industrial Systems Program, Systems Control Inc., Palo Alto, Calif. Control Inc., Palo Alto, Calif.,
Don W. Bree, Jr., Sr. Methods Analyst; Energy and Environment Sector, Systems Control, Inc., Palo Alto, Calif.,

Serial Information: Journal of the Hydraulics Division, 1977, Vol. 103, Issue 2, Pg. 97-108

Document Type: Journal Paper


A procedure is presented for simulating the behavior of a water distribution system over time. The extended period simulation capability is an important consideration in both planning and operation of water distribution systems. The important aspects of the paper are: (1)The application of efficient sparsity oriented programming techniques for the static solution of network nodal equations using a modified Newton-Raphson procedure; and (2)the development of an integration scheme to link several statis solutions, each representing an interval of time, to changes in water levels in elevated storage reservoirs, in pumping schedules and demand patterns. Only the theoretical considerations are and demand patterns.

Subject Headings: Water storage | Water demand | Computer programming | Statics (mechanics) | Water conservation | Water level | Energy storage | Reservoirs

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