A swivel C bracket shown in Figure P11-24 is mounted to a ceiling of a building and has a speaker (not shown) of 30 lbf hanging from each mounting hole. The mounting bracket is made of A 36 steel with a modulus of elasticity of 29 × 106 psi, Poisson's ratio of 0.29, and yield strength of 36,000 psi. Determine the maximum von Mises stress and deflection in the bracket. (This problem is by Tyler Austin and Kyle Jones.)

Figure P11-24 Swivel C bracket (dimension in inches) and typical finite element model (By Tyler Austin and Kyle Jones)

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-10.00 2.00 ø1.00 ø1.50- R.20 TYP. R.10 2.00 0.50 2.50 50- 25 TYP. 1.00