Re: [sumo-user] how to calculate the free-flow in one scenario

[Jane Cheung <cheung180515@xxxxxxxxx>]

Jakob,

I have searched some reference and I have got the relationship between the free flow and max flow 

With your  suggestion, once I get the max flow I could　get the free flow with some simple convert.

The free flow for every edge would be different if I would use the method you told me？

Best  regards!

Jane  

On Mon, Nov 5, 2018 at 9:03 AM Jakob Erdmann <namdre.sumo@xxxxxxxxx> wrote:

Since the free flow varies with the vehicle parameters (or distribution thereof) you will have to re-compute this for your particular vehicle fleet. A good approach to reach maximum flow is to insert vehicles on a single lane with period 1.0 and departPos="last".

You can measure vehsPerHour by placing an <inductionLoop> at the end of the edge or on the next edge.

regards,

Jakob

Am Mi., 31. Okt. 2018 um 18:09 Uhr schrieb Jane Cheung <cheung180515@xxxxxxxxx>:

Dear all , in one specific scenario, how to calculate the free-flow by using the output files of SUMO?

Is there one specific scenario that need to build without congestion during the whole simulation period?

Best regards!

Jane

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