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Module 2 : Solid bodies in contact with and without interactions

Lecture 11 : Compression of an elastic film sandwiched between two rigid parallel plates

Differentiation of with respect to yields

Finally, is obtained as,

(11.14)

And as,

(11.15)

at which gives, , which finally gives,

	(11.16)
	(11.17)

Now, we differentiate and with respect to and

(11.18)

And add them up,

(11.19)