Calculation of the vessel

Stresses and forces in an axial-symmetrical vertical vessel acc. to BS PD5500


Attention!

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


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Note:
The number of vessel elements in this version of the program is strictly limited.
Please ask LES GmbH for complicate calculations.



Pressure vessel: Insert element Delete element
Name Value
Element type
Nominal shell thickness, mm Uses the value for all elements
Manufacturing allowance inside, mm Uses the value for all elements
Manufacturing allowance outside, mm Uses the value for all elements
Corrosion allowance inside, mm Uses the value for all elements
Corrosion allowance outside, mm Uses the value for all elements
Shell height, mm
Shell outer diameter at the top, mm
Shell outer diameter at the bottom, mm
Shell material density, kg/m³ Uses the value for all elements
Insulation thickness, mm Uses the value for all elements
Insulation density, kg/m² Uses the value for all elements
Refractory thickness, mm Uses the value for all elements
Refractory density, kg/m³ Uses the value for all elements
Filling density, kg/m³ Uses the value for all elements
Additional weight (along the axis), kg/m Uses the value for all elements
Constraints type of the bottom rim
Wind calculation coefficient Uses the value for all elements
Design temperature, °C Uses the value for all elements
Shell material Uses the value for all elements
Material type Uses the value for all elements
Modulus of elasticity, MPa Uses the value for all elements
Thermal expansion coefficient, µm/m/K Uses the value for all elements
Allowable stress, MPa Uses the value for all elements
Trunnions, legs, support lugs and braces:
Name Value
Number of the legs
Legs height, mm
Foundation circle diameter, mm
Brace z-position, mm
Brace stiffness, kN/mm
z-Position of the upper support, mm
Type of the lower tailing support
z-Position of the lower support, mm
Distance from the lower tailing to axis, mm
Impact factor by erection
  Sketch:
Loadings:
Name Value
Inside pressure, bar
Acceleration in X-direction, m/s²
Acceleration in Y-direction, m/s²
Acceleration in Z-direction, m/s²
Wind pressure in X-direction, Pa
Wind pressure in Y-direction, Pa
 
Additional forces and moments: [?]
Description r 
mm
φ 
deg
z 
mm
Fx
kN
Fy
kN
Fz
kN
Mx
kN·m
My
kN·m
Mz
kN·m
Predefined section forces and moments:
Description z
mm
Fz
kN
Mx
kN·m
My
kN·m
Mz
kN·m
    include buckling proof