Ferrari SF-26

[PlatinumZealot]

The flow sturctures are too numerous to say the wing is doing only outwashing or inwashing. One thing is for sure: the designers are putting elements where he needs them to get more ideal downstream conditions. The footplate strakes in this case are inboard butt this roll of vortices will clearly move behind the front tyre and outward to protect the floor (perhaps the claws?) from wheel wake.

[variante]

Air naturally tends to inwash due to Front Wing suction and Front Wheels pressure. Those strakes actually decrease the inwash. If air inwashes at 20°, those strakes are placed at roughly 15°.

Not sure. Ferrari is one of the joy team to have a front wing loaded in the external part with the flaps. So the underside of the flaps tend to outwash the air. Combining the effect of the strakes (which are inwashing) think they want to generate a vortex. That vortex maybe is handled by the revised sidepods, that in the underside can welcome a different flow topology
But that’s only my opinion

1 - A loaded wing means even more suction, underneath. The air gets sucked inward under the footplate.
2 - The strakes are outwashing relative to the airflow. Of course they tend inwards relative to the car center line, but it's the airflow direction that matters. In other words, thanks to those strakes, air inwashes less.