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MOUSE, short for MOdel for Urban SEwers, is a computer program that models collection system for urban wastewater and stormwater. MOUSE is the first micro-computer based software created by DHI and it was developed in 1983. The MOUSE engine is used in the CS - Pipeflow module of the hydraulic modeling software MIKE URBAN.[1]


MOUSE consists the following modules:

HD – Pipe Flow: computing unsteady flows in pipe and channel networks

RDII – Rainfall Dependent Inflow/Infiltration: continuous modeling of the runoff process

RTC – Real-Time Control: defines and simulates real-time control schemes for urban drainage and sewer systems

PD - Pipe Design: automatically calculates pipe diameters for pipes to be (re)designed based on user-defined criteria.

LTS – Long Term Simulations and Statistics: continuous simulations of long time series, including wet and dry weather.

ST - Sediment Transport: simulates in-pipe sediment transport, erosion and deposition for uniform or graded sediments.

AD - Advection-Dispersion: simulates the transport and linear decay of dissolved pollutants.

WQ - Water Quality: simulates a range of water quality processes, including decay of BOD/COD in biofilm and in the water phase, hydrolysis of suspended matter, growth of biomass, oxygen consumption, etc.


MOUSE can be used for analysing CSOs and SSOs, evaluating RDII, network capacity and bottlenecks, predicting local flooding, estimating sediment build-up and transport, optimization and design of RTC solutions, analysing water quality and sediment problems, and real-time modeling embedded in RTC solutions.


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