Transcription of 4.4.1 The Rotating Disc - Engineering
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4.4.1 The Rotating Disc - Engineering
Section solid mechanics Part II Kelly Rotating Discs The Rotating disc Consider a thin disc Rotating with constant angular velocity , Fig. Material particles are subjected to a centripetal acceleration 2 rar . The subscript r indicates an acceleration in the radial direction and the minus sign indicates that the particles are accelerating towards the centre of the disc . Figure : the Rotating disc The accelerations lead to an inertial force (per unit volume) 2 rFa which in turn leads to stresses in the disc .
Solid Mechanics Part II Kelly 81 which reduce to 4.4.7 when a 0 . Dimensionless stress and displacement are plotted in Fig. 4.4.3 for the case of ...
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