PVP Software - Circular hoops

Stresses in circular hoops

according to Roark R.J. "Formulas for stress"

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

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Charasteristics of the hoop:

Name	Value	Unit
Radius of the hoop R		mm
Hoop wall thickness d		mm
Production tolerance inside c_1i		mm
Prduction tolerance outside c_1a		mm
Elastic modulus E		N/mm²

Sketch:

Loadings:

Name	Load case 1	Load case 2	Load case 3	Unit
Load case name
Wear allowance inside c_2i				mm
Wear allowance outside c_2a				mm
Loading variants
Referential force P				kN/m
Referantial moment M_o				kN·m/m
Angle α (s.Fig.)				°
Angle β oder γ (s.Fig.)				°
Pressure or dead weight w (s.Fig.)				kN/m²
Liquid weight γ				kN/m³
Radius referential pressure w (s.Fig.)				kN/m³
Temperature T				°C

Name	Load case 4	Load case 5	Load case 6	Unit
Load case name
Wear allowance inside c_2i				mm
Wear allowance outside c_2a				mm
Loading variants
Referential force P				kN/m
Referantial moment M_o				kN·m/m
Angle α (s.Fig.)				°
Angle β oder γ (s.Fig.)				°
Pressure or dead weight w (s.Fig.)				kN/m²
Liquid weight γ				kN/m³
Radius referential pressure w (s.Fig.)				kN/m³
Temperature T				°C

Name	Load case 7	Load case 8	Load case 9	Unit
Load case name
Wear allowance inside c_2i				mm
Wear allowance outside c_2a				mm
Loading variants
Referential force P				kN/m
Referantial moment M_o				kN·m/m
Angle α (s.Fig.)				°
Angle β oder γ (s.Fig.)				°
Pressure or dead weight w (s.Fig.)				kN/m²
Liquid weight γ				kN/m³
Radius referential pressure w (s.Fig.)				kN/m³
Temperature T				°C

Name	Load case 10	Load case 11	Load case 12	Unit
Load case name
Wear allowance inside c_2i				mm
Wear allowance outside c_2a				mm
Loading variants
Referential force P				kN/m
Referantial moment M_o				kN·m/m
Angle α (s.Fig.)				°
Angle β oder γ (s.Fig.)				°
Pressure or dead weight w (s.Fig.)				kN/m²
Liquid weight γ				kN/m³
Radius referential pressure w (s.Fig.)				kN/m³
Temperature T				°C

Superposition:

Load cases	Variant 1	Variant 2	Variant 3	Variant 4	Variant 5	Variant 6


Variant name
Temperature T_max
Allowable stress, N/mm²