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Module 9 Stability and Buckling
210 MODULE 9. STABILITY AND BUCKLING P L bcbcbcbc O (a) = 0 P L sin( ) bcbcbcbc O K (b) 6= 0 Figure 9.1: Equilibrium positions of a rigid bar on a torsional spring for a trivial solution ( = 0) and a non-trivial solution ( 6= 0). 2.Rewrite the equations in the case of small angles Solution: For small angles, sin( ) ' , hence: (PL K ) = 0
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