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Lecture 8: Energy Methods in Elasticity - MIT …
ocw.mit.edutotal potential energy of the system is = Z l 0 EI 2 (w00)2 dx Pw (8.23) The objective is to nd the amplitude and shape of the de ection function that is in equi-librium with the prescribed load P. In other words we will be looking the de ection and shape that will make the total potential energy stationary. Assume the solution as a Fourier ...