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This calculator computes the displacement of a simply-supported circular plate under a uniformly distributed load.

Inputs
Geometry:
 Radius ro = km m cm mm micron mi yd ft in mil Thickness h = km m cm mm micron mi yd ft in mil
Material
 Young's modulus E = Pa kPa MPa GPa psi ksi lbf/ft^2 kgf/cm^2 atm bar mmHg inHg ftH2O Poisson's ratio =
Output:
 Unit of displacement w = km m cm mm micron mi yd ft in mil Unit of stress = Pa kPa MPa GPa psi ksi lbf/ft^2 kgf/cm^2 atm bar mmHg inHg ftH2O

 Displacement Notice that the deformation is axial symmetric and it is only a function of the radius. Hence, = 0.271728515625 mm 0.272 mm
 Stress The maximum bending moment occurs at the center of the plate, r = 0. The maximum stress occurs at the center of the plate near surface, r = 0, z = ±h/2. max = 0.7734375 MPa 0.773 MPa
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CNC Machining Design Guide