Stress analysis according to ASME B31.3

1. Component data

Name	Value	Unit
Outer diameter of the run D_a		mm
Wall thickness of the run T		mm
Wall thickness after reducer T₁		mm
Reducer wall thickness T₂		mm
Outer diameter of the branch d_a		mm
Wall thickness of the branch t		mm
Band radius R₁		mm
Segment partition s		mm
Half break angle θ		deg
Wall thickness of the run T_c		mm
Extrusion radius r_x		mm
Reinforce thickness T_r		mm
Vorsatz δ		mm
Übergangswinkel außen α		°
Übergangswinkel innen β		°
Design pressure p		bar
Maximum temperature of the component T_max		°C
Minimum temperature of the component T_min		°C
Allowable stress at maximum temperature S_h		N/mm²
Allowable stress at minimum temperature S_c		N/mm²
Minimum tensile strength S_u		N/mm²
Young's modulus at operating temperature E_θ		N/mm²
Young's modulus at room temperature E₂₀		N/mm²
Action time of occasional loads (FDBR only)
Equivalent number of full displacement cycles N
Material type

2. Forces and moments

Name		Weight	Wind	Earthquake	Thermal	Unit
Run	Longitudinal force Q					kN
	Bending moment in component plane M_i					kN·m
	Bending moment perp. to the comp. plane M_o					kN·m
	Torsion moment M_t					kN·m
Branch	Longitudinal force Q					kN
	Bending moment in component plane M_i					kN·m
	Bending moment perp. to the comp. plane M_o					kN·m
	Torsion moment M_t					kN·m

Attention!
The input data are out of bounds of validity! The results are for information only.

1. Run

Name	Stresses N/mm²	Allowable stresses N/mm²	Efficiency	Maximum pressure bar
Longitudinal stresses due to sustained loads
Longitudinal stresses due to sustained and occasional loads
– due to wind
– due to earthquake
Stresses due to thermal expansion
Circumferential stresses due to inside pressure

2. Branch

Name	Stresses N/mm²	Allowable stresses N/mm²	Efficiency	Maximum pressure bar
Longitudinal stresses due to sustained loads
Longitudinal stresses due to sustained and occasional loads
– due to wind
– due to earthquake
Stresses due to thermal expansion
Circumferential stresses due to inside pressure

Attention!
The input data are out of bounds of validity! The results are for information only.

1. Run

Name	Stresses N/mm²	Allowable stresses N/mm²	Efficiency	Maximum pressure bar
Longitudinal stresses due to sustained loads
Longitudinal stresses due to sustained and occasional loads
– due to wind
– due to earthquake
Stresses due to thermal expansion
Circumferential stresses due to inside pressure

2. Branch

Name	Stresses N/mm²	Allowable stresses N/mm²	Efficiency	Maximum pressure bar
Longitudinal stresses due to sustained loads
Longitudinal stresses due to sustained and occasional loads
– due to wind
– due to earthquake
Stresses due to thermal expansion
Circumferential stresses due to inside pressure

Stress analysis for pressure piping / process piping