Hello, Im asking myself how to calculate the force exerted by air in a inflated unloaded tire. We now that a tire can be modeled as a spring and a damper, with vertical deflection used as spring compression and deflection velocity as damper velocity. But how about a tire with no deflection (unloaded)? the force exerted by air is not zero. As far as I know it should be pressure x area, but how to calc the area where air pressure exerts its force?