In CFD modelling of structures subjected to wind using LES, why do we start flow field monitors (e.g.,mean wind velocity) after a certain duration, not from the first iteration of the simulation?(1-2 sentences are allowed)

Answered: In CFD modelling of structures…

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In CFD modelling of structures subjected to wind using LES, why do we start flow field monitors (e.g.,
mean wind velocity) after a certain duration, not from the first iteration of the simulation?
(1-2 sentences are allowed)

Expert Solution

Step 1

In CFD modelling of structures subjected to wind using LES, why do we start flow field monitors because For this urban wind simulation we have adopted suggested practice guidelines.

First, a test case was planned and simulated for comparison with a publicly accessible experiment and other computing experiments by Commonwealth Consultative Council Aerodynamics (CAARC) construction.

On the basis of the CAARC simulation parameters we modeled the One Indiana tower alone without the surrounding buildings as a clean construction configuration.

The flow field around the tower was then simulated with the surrounding buildings downtown.