Section: Averaging

This section controls data-averaging actions supported within AMR-wind. Averaging is included as one of the identifiers of post-processing by incflo.post_processing = averaging. Time-averaging can be done to compute the means of any variable and is denoted by ReAveraging. The code will add the prefix _mean to any variable that is time-averaged. Reynolds stresses can also be computed using the ReynoldsStress avreaging type. Note that to compute the Reynolds stresses, the mean of the velocity field is required.

averaging.averaging_window

type: Real, required

Specify the averaging window over which the time-averaging is done.

averaging.averaging_start_time

type: Real, optional, default = 0

Specify the time to start computing averages.

averaging.averaging_stop_time

type: Real, optional, default = simulation end time

Specify the time to stop time-averaging.

Example:

incflo.post_processing = averaging

averaging.type = TimeAveraging
averaging.labels = means  stress

averaging.averaging_window = 10.0
averaging.averaging_start_time = 0.0

averaging.means.fields = velocity
averaging.means.averaging_type = ReAveraging

averaging.stress.fields = velocity
averaging.stress.averaging_type = ReynoldsStress