Practice Problems for Axisymmetric Planar Elements Jake Blanchard Fall 2007.

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Practice Problems for Axisymmetric Planar Elements Jake Blanchard Fall 2007

E=100 GPa  =0.3 Axisymmetric Fillet radius is 5 mm P=1 MPa Find max Von Mises stress 8 cm 4 cm 5 cm 6 cm

Spinning disk, R=15 cm E=71 GPa  =0.33  =2710 kg/m 3 thickness=1 cm Spin at 1000 rpm (must enter as radians/sec) (Load is global rotation about y axis, under inertial loads) Both stresses are 278 kPa at center Hoop stress is 112 kPa at edge

Spinning disk with reinforcement at axle E=100 GPa  =0.3  =5000 kg/m 3 Spin at 10 Hz Fillets are 1 cm radius Find max von mises stress 2 cm 1 cm 2 cm 12 cm 4 cm