L'habitacle est donc en surpression, intéressant. Et à l'avant on n'a pas de pression d'arrêt. Intéressant aussi.

On a parfois de belles surprises sur ce forum mine de rien

Is it showing pressure or speed?

L'habitacle est donc en surpression, intéressant. Et à l'avant on n'a pas de pression d'arrêt. Intéressant aussi.

The upper plot appears to be a cross section plot of total pressure. I dislike looking at total pressue because it is hard for me to visualize what behavior will result. It is a combination of static pressure and dynamic pressure so it has a normalized velocity squared term in it. You don’t know for sure if the color of an area is mostly the result of static pressure or velocity.

The second plot is very useful It is a plot of static pressure at and normal to the surface of the car. And it would represent the direction flow would go if you put holes in the surface and if the pressure inside was held at ambiant. Note the upper portion of the bumper with the upward facing surface orintation to it is an extremely bad place to put an inlet. Also note the aft portion of the hood is not good of place to put an outlet. The picture is not a Miata but the plot would look very similar.
Bob