Jack action,
I see. I understand now the reasoning behind excluding the brake caliper force from the entire system FBD. It looks like this was the major gap in my understanding of my coworker’s model. Thank you very much for helping to clarify that point and for reminding me about the Coulomb...
Understood. So considering the whole vehicle braking under no slip, ##F_{brake}## is a static friction force which depends only on the pavement-tire slip ratio as shown in the chart above. In the case of the whole vehicle, the caliper friction force is internal so it is not drawn.
One thing I...
Thank you both very much for your replies, they are extremely helpful. Thank you also for the informative videos.
It looks like this was my error in my FBD of the disk. I have a non-zero angular acceleration but it should be zero. I thought the angular acceleration is necessary because the...
Lnewqban,
Thank you very much for your reply.
Indeed the points you made are accurate. The lift, thrust, rolling resistance, drag and brake force are vector summed to estimate the total acceleration of the aircraft. My misunderstanding is specific to the calculation of the brake force.
The...
I am a junior engineer tasked with modeling the dynamics of a small research UAV after landing. The UAV has 3 tires, 1 on the nose landing gear and 2 on the rear landing gear. The rear tires are equipped with disc brake calipers.
My coworker has explained that the simplified model (MODEL 1...