Simulator

Scenario Selection

After clicking on the icon for the Simulator in the side bar, a table opens containing all scenarios in the current user's workspace. A click on the tab labeled "Built-in Scenarios" switches the view to the list of all available built-in scenarios in SESAM. To proceed, one of the user-created or built-in scenarios must be selected before clicking on the button labeled Configure.

Simulation Configuration

During the second step of the simulation process, users are presented with the option to configure their simulation. They can begin by setting a name for their simulation run, with the input field pre-filled with a default name. On the left-hand side of the screen, users can review the essential characteristics of the selected scenario. This helps ensure that the simulation is properly configured based on the user's chosen scenario.

Options

The set of options refer to the time step length and lateral resolution of the simulation. The time step length determines the duration of each simulation step. For most scenarios, a time step length of 1.0 s should suffice. However, users may choose other values based on their needs.

The lateral resolution determines the spatial resolution of the edges in the lateral direction. For many scenarios, this feature may not be required and should be disabled to improve the performance of the simulation. However, if it is necessary to subdivide individual lanes more finely - for instance, to allow two bicycles to pass each other in the same lane - then an appropriate value can be selected here.

Note

The permissible range of values for the time step length and the lateral resolution is determined by the scenario and may vary from one scenario to another.

Outputs

Finally, the outputs of SUMO can be enabled or disabled. Some outputs are already enabled by default because they are necessary for key features in the Analyzer of SESAM. However, the tripinfo output is optional and can be disabled if its contents is not needed.

The simulation is started by clicking on the button with the label Simulate.

Result page

The current status of the simulation run is represented by a progress bar and a detailed log output. In addition to the current simulation step, the amount of active vehicles and persons in the simulation run is also provided for reference. This allows the user to track the progress of the simulation.

Once the simulation run has successfully completed, the user can proceed to analyze the results or download the simulation outputs as a ZIP archive.