Thirdly, along with the increase of the interference the width of the contact field on the air side become larger, but the max contact pressure increase first and then come to a constant value.

Before the break, the width of the contact field on the air side has a great increase, but the max contact pressure increase at first and then become smaller due to the increase of the contact width.

I just tell them it's not my area, and promise to contact one of our people from that field and e-mail them back.