# Free stream turbulence

**URL:** <https://pyfr.discourse.group/t/free-stream-turbulence/934>\
**Category:** Cases\
**Created:** [3 October 2023 08:50 UTC](https://pyfr.discourse.group/t/free-stream-turbulence/934 "2023-10-03T08:50:52Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![rubens](https://avatars.discourse-cdn.com/v4/letter/r/54ee81/32.png) [@rubens](https://pyfr.discourse.group/u/rubens)\
**Post date:** [3 October 2023 08:50 UTC](https://pyfr.discourse.group/t/free-stream-turbulence/934/1 "2023-10-03T08:50:52Z")

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Hello everyone. I’m preparing a .ini file for running a LES simulation with PyFR. Could please someone tell me if there is any way to impose a value for the free stream turbulent intensity and how could I do that? Thank you in advance!

Rubens

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**Author:** ![fdw](https://avatars.discourse-cdn.com/v4/letter/f/a587f6/32.png) [@fdw](https://pyfr.discourse.group/u/fdw)\
**Post date:** [3 October 2023 11:28 UTC](https://pyfr.discourse.group/t/free-stream-turbulence/934/2 "2023-10-03T11:28:56Z")

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This is not currently possible but will be part of the next release.

Regards, Freddie.

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**Author:** ![rubens](https://avatars.discourse-cdn.com/v4/letter/r/54ee81/32.png) [@rubens](https://pyfr.discourse.group/u/rubens)\
**Post date:** [3 October 2023 13:36 UTC](https://pyfr.discourse.group/t/free-stream-turbulence/934/3 "2023-10-03T13:36:47Z")

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Thank you for your reply!

Kind regards,  
Rubens