Stresses in a circular formed flat plate

according to S.Schwaigerers ''Festigkeitsberechnung im Dampfkessel–, Behälter– und Rohrleitungsbau''

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Attention!

This calculation is only a simplified estimation, and does not replace a detailed design calculation.

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Signature:		Title:  Remarks:
Date:

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Properties of the plate:  Name   Value   Unit  Radius of the plate r1 mm Thickness of the plate h mm Fabrication tolerance top side c1o mm Fabrication tolerance bottom side c1u mm Diameter of the holes dL mm Hole pitch t mm Boundary conditions pivotally mounted harnessed rigidly

Sketch:

Loadings:

Load cases 1 — 6 Load cases 7 — 12 Load cases 13 — 18 Load cases 19 — 24

Name Load case 1 Load case 2 Load case 3 Load case 4 Load case 5 Load case 6  Unit  Load case name   Wear supplement top side c2o mm Wear supplement bottom side c2u mm Surface pressure px bar Inner radius of the pressure hoop r0 p inside mm Outer radius of the pressure hoop r0 p outside mm Ring force F kN Radius of the force ring r0 F mm Temperature T °C Name Load case 7 Load case 8 Load case 9 Load case 10 Load case 11 Load case 12  Unit  Load case name   Wear supplement top side c2o mm Wear supplement bottom side c2u mm Surface pressure px bar Inner radius of the pressure hoop r0 p inside mm Outer radius of the pressure hoop r0 p outside mm Ring force F kN Radius of the force ring r0 F mm Temperature T °C Name Load case 13 Load case 14 Load case 15 Load case 16 Load case 17 Load case 18  Unit  Load case name   Wear supplement top side c2o mm Wear supplement bottom side c2u mm Surface pressure px bar Inner radius of the pressure hoop r0 p inside mm Outer radius of the pressure hoop r0 p outside mm Ring force F kN Radius of the force ring r0 F mm Temperature T °C Name Load case 19 Load case 20 Load case 21 Load case 22 Load case 23 Load case 24  Unit  Load case name   Wear supplement top side c2o mm Wear supplement bottom side c2u mm Surface pressure px bar Inner radius of the pressure hoop r0 p inside mm Outer radius of the pressure hoop r0 p outside mm Ring force F kN Radius of the force ring r0 F mm Temperature T °C

Variants of superposition:	Variants 1 — 6 Variants 7 — 12
Load cases  Variant 1 Variant 2 Variant 3 Variant 4 Variant 5 Variant 6 Variant name Temperature Tmax Allowable stresses, N/mm² Load cases  Variant 7 Variant 8 Variant 9 Variant 10 Variant 11 Variant 12 Variant name Temperature Tmax Allowable stresses, N/mm²

  

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