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# SWMM5-EA User Interface

SWMM5-EA graphical user interface is shown below.

> SWMM5-EA Graphical user interface with important toolbar buttons annotated.

## Typical Workflow

> Typical use of SWMM5-EA in a new problem involves following steps:

> > 1. Create a SWMM network using SWMM 5.0 desktop application. (See SWMM 5.0 on how to install SWMM 5.0)
> > 2. Decide the decision variables (e.g. For a detention storage optimization case like Example 1, this could be a variable indicating the size of each storage)
> > 3. Decide cost functions (e.g. In Example 1 this is the sum of construction cost of reservoirs and a penalty cost for flooding).
> > 4. Create a new SWMM5-EA project.
> > 5. Edit the project parameters to suitable values.
> > 6. Copy the SWMM input file to the project space. (Use the button)
> > 7. Edit the SWMM file and introduce the place-holders (See How SWMM5-EA exploits the input file)
> > 8. Initialize the optimization (check ‘output’/’Errors and Warnings’ panes for any problems).
> > 9. Run the Optimization

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