Circular PlatesCircular Plates

Moments acting on an element of a Moments acting on an element of a deformed circular plate.deformed circular plate.

Circular platesCircular plates

Circular platesCircular plates

Circular PlatesCircular Plates

Uniform Pressure, Edges clampedUniform Pressure, Edges clamped

Uniform pressure, Edges simply supportedUniform pressure, Edges simply supported

Circular PlatesCircular PlatesPoint load, Edges clampedPoint load, Edges clamped

Point load, Edges simply supportedPoint load, Edges simply supported

Circular platesCircular plates

A circular plate 120mm diameter and 10mm thick is A circular plate 120mm diameter and 10mm thick is constructed from steel E = 208GN/mconstructed from steel E = 208GN/m22 and and = 0.3. The = 0.3. The plate is subjected to a pressure of 5 MN/mplate is subjected to a pressure of 5 MN/m22 on one side. on one side. Determine:Determine:(a)   the maximum deflection clamped at the edges(b)   the maximum deflection simply supported at the edges.(c)   The maximum radial stress (a)

Circular plate with central pistonCircular plate with central pistonA circular dish 150mm in diameter and 12mm thickness is clamped around the periphery and built into a piston of diameter 60mm at the A circular dish 150mm in diameter and 12mm thickness is clamped around the periphery and built into a piston of diameter 60mm at the

centre, assuming that the piston remains rigid determine the maximum deflection of the disk when the piston carries a load of 5kN.centre, assuming that the piston remains rigid determine the maximum deflection of the disk when the piston carries a load of 5kN.E = 208 GN/mE = 208 GN/m22

= 0.3= 0.3 [0.0035mm][0.0035mm]

Standard load casesStandard load cases

Standard load casesStandard load cases

Standard load case coefficients kStandard load case coefficients k11, k, k22

Summary of Maximum deflections and Summary of Maximum deflections and stressesstresses

Circular PlatesCircular Plates