Greetings,

I have run 2 analyses with BT thickness of 15mil and 24mil while all
other variables the same. There is a huge difference in predicted CMF. For
15mil BT, CMF is 2812; for 24mil BT, CMF is 12118. I did not expect such
big difference even though I expected good increase by using 24mil BT.
I don't have experimental data to verify my data now. So I like to
listen to your opinions. What is your take here? Is is possible that such
a big difference could exist by just changing BT thickness from 15 to 24
mils?


Best regards,

Yuan Li

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