# Post-Processing the ABL Case

Once the simulation completes, validate the results by comparing the simulated profiles against the target analytical profiles at the measurement section.

---

## Extracting Profiles

```{todo}
Add AeroSim-specific instructions for extracting velocity, turbulence intensity, and TKE profiles from the simulation results. Describe the measurement section location and the extraction workflow within the AeroSim interface.
```

---

## Velocity Profile

Plot $U(z)$ at the measurement section and overlay the target logarithmic law curve. The match should be within **±5%** across the height range of engineering interest ($z_{ref}$ to $2 \times z_{ref}$).

```{todo}
Add instructions for generating the velocity profile plot in AeroSim. Include screenshots of the result visualisation panel.
```

---

## Turbulence Intensity

Plot $I_u(z) = \sigma_u / U(z)$ versus height and compare against the target profile from the applicable wind standard (e.g., EN 1991-1-4, ASCE 7, AS/NZS 1170.2).

```{todo}
Add instructions for generating the turbulence intensity profile plot in AeroSim.
```

---

## Integral Lengthscale

```{todo}
Add instructions for generating integral lengthscale profile plot in AeroSim.
```


## Next Steps

Once the ABL case is validated, the inlet and roughness configuration can be directly reused in the full engineering simulation. See:

- [Pressure on Buildings (CAARC)](../pressure-buildings-caarc.md) — applying the validated ABL to a reference high-rise.
- [Pedestrian Comfort](../pedestriam-comfort.md) — extending the setup to evaluate wind conditions at ground level.
- [Topography Factor (Bolund Hill)](../topography-factor.md) — accounting for terrain effects on the wind profile.

For quantitative comparisons of simulated profiles against experimental and standard target profiles — including velocity, turbulence intensity, integral length scale, and energy spectra — see the [ABL validation results on docs.aerosim.io](https://docs.aerosim.io/validation).