virial theorem confirms stretching-bending competition
energy = S + B
B and S are both powers of the
ridge width w
S @ G w5 X3
B @ k w-1 X
B/S
.3 h/X
Thus
dS/dw =
5 S/w
dB/dw = -B/w
At energy minimum dS/dw
= - dB/dw.
Thus B = 5 S
numerical confirmation
–A.
Lobkovsky 1996
